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Introduction to Laravel ORM

In Laravel we have ORM which basically stands for Objects relation model and Laravel include Eloquent, which helps us to interact with the database. Here ORM is basically related to the database side, where it helps us to interact with it, by that, we can perform delete, insert, update and other operations what is generally do it helps us to map our database entity with the corresponding code model. Every table in the database associates with the model, in order to perform an action on them after fetching it from the database. So in Laravel, it provides us Eloquent ORM framework which helps us to perform the database operations easily.

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How does Laravel ORM work?

Laravel provides us which is Eloquent helps us to interact with the database, and allow us to perform the database operations. ORM is generally an object relation mapper which simply means that whatever the objects or model we have in our code maps them to the database entities or table. So for this Laravel provide us with Eloquent which helps us to map our models from code to database tables and allows us to perform the operations as well. Here we will see the implementation of the ORM model using Eloquent in Laravel.

In order to represent the model using table we can follow the below syntax for this:

class Demo extends Eloquent { public static $table = 'demo'; }

Here in this above syntax, we will be going to refer to our ‘demo’ table with the name given below not with one the convection.

By the use of ORM, we can perform different types of operations such as, insert, sort, delete, update and any more.

First, we have to create the model inside our code. Suppose you are maintaining student records inside our database so you might have tables related to that.

So to represent the student models we have to create the ORM for this.

We can create the student ORM using the Eloquent framework or library provided by the Laravel.

Once we are done with the ORM creation for students we can use them against the table in the database.

This ORM will contain the columns which is going to represent the columns inside the table.

We can have the explicit name of the table defined rather than using the convection one.

Once we are done with the creation of the student ORM we can now interact with the database using Eloquent.

So for us, it will convert the student model with the table one, and map all the columns for us.

In this way to helps to interact with the database, in other languages, we have different kinds of ORM available which perform the same thing.

Create Laravel ORM

Here we will see the creation for ORM in Laravel using the Eloquent library because in every framework or language we always have one framework which will handle this ORM part for us, we cannot do this without the formwork.

The creation part of ORM in language.

1. create

Follow this below syntax to create the ORM in language using Eloquent.

class NAME extends Eloquent { public static $table = 'TABLE_NAME'; }

As you can see in the above syntax we are trying to create the ORM using Eloquent, for this, we have to extend the ‘Eloquent’ after this standard syntax we need to follow in order to create it properly.

First, we can specify the class name.

After the class name, we can extend the ‘Eloquent’.

To specify the name of our table we can use ‘$table’ followed by the name of the table.

class Student extends Eloquent { public static $table = 'student'; }

This is the basic step to create the initial structure of the ORM. Now in order to automatically manage the timestamp part Laravel provides us a timestamp which will automatically update the timestamp inside the column.

class Student extends Eloquent { public static $timestamps = true; }

This will automatically update the create_at/ update_at columns in the table. Now we can see few methods which can help us to retrieve the record from the database.

1. To find students with id: For this, we can use find() method, below is the syntax to use this.

$student = Student::find($student_id);

This will give us the result in the ORM that we have created above. Just mentioned the name of your class with the id parameter here to find the record inside the database table.

2. Retrieve all the records from the database: We can retrieve all the records from the database using the below command.

$student = Student::all();

3. Also we can make use of a query aggregator which helps us to retrieve the custom query logic see below to count.

Fish Model

fish/eloquent-logger: This package from fish allows us to logs all the operation into the destined table which include (add, delete, update). To add this inside the application below dependency is required inside the chúng tôi file.

“fish/eloquent-logger”: “^1.0”

fish/one-validator: This package help invalidation, it will convert the server-side validation to a specific jQuery validate plugin, to install this add the below dependency inside the chúng tôi file.

“fish/one-validator”: “dev-master”

Using the Following Artisan Command

It is a CLI, which stands for a command-line interface which is included with Laravel. It provides us list of commands to build our application few of them are mentioned below.

1. For the help window execute the below command.

php artisan help migrate

2. List of artisan command: To view all the commands provided by artisan execute the below command.

php artisan list Conclusion

By this, we understood how to interact with database tables and convert them to code models or simple in POJO classes. This helps us to map our object to a table database table. To simplify this language provide us with Eloquent library which will be easy to use and implement by the developers, readable and understandable as well.

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Complete Guide To What Is Laravel Orderby

Introduction to Laravel Orderby

Laravel is one of the most popular frameworks and the reason is not unknown. It is easy to code and robust enough to scale. It provides the developer with enough options to make his/her tasks easier. Laravel also is compatible with other frameworks and hence is a delight to work with. Numerous affiliate frameworks integrate well with Laravel, case in point is the Sprite Billing system. Joins perfectly with Laravel Cashier to create a comprehensive Subscription management system.

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There are plenty of examples that reflect on the flexibility and ease of usage of the framework. That is the reason why Laravel is also one of the most sought after eCommerce frameworks. Customers can simply scale up using the numerous methods and queries available in the library.

One of them is the numerously used Orderby.

What is Laravel Orderby?

Suppose you have a list of products with a host of sub-categories that you would want to view. It will become cumbersome if they all appeared haphazardly. You want order in a world of chaos. The query builder presents you with the command Orderby. Now things are in Order. You can view them by their names, their expiry dates (if it’s a perishable item). It can be anything. The important point is that the Orderby query lists the items in a defined order.

A quick example would be:

In a one to many relationships between the Categories and the Products, we intend to view the products but in an orderly manner. Preferably by their name. The Eloquent relationship will look like this:

Code:

class Category extends Model { public function products() { } } However, the correct way of presenting it would be: public function products() { }

The Laravel Orderby promotes order about the parameters provided. In this case, “name”. Hence, the list that might appear thereafter will be in the form of the name of the products and no other details.

How does Laravel Orderby work?

The Laravel Orderby works by simply sorting the results of the query. So if the column has a list of 20 data, it can sort the list by the parameter provided. One can also create an order in an ascending or a Descending Order.

By Ascending Order:

Example #1

Step #1: This step is to provide some necessary queries

data: function() { return { newMList: { name: ''}, mLists: [], orderToggle: 1, orderAttr: 'name', pagination: { total: 0, per_page: 10, current_page: 1, last_page: 0, from: 1, to: 10 } } }

Step #2: Additional Parameters are inserted as well as the Order by query

Step #4: Two new methods are now inserted. They are: change sort() and getSortIcon()

changeSort: function(attr) { varorderToggle = ( this.orderAttr == attr ) ? this.orderToggle * -1 : 1; this.fetchMLists(attr, orderToggle); } fetchMLists: function (orderAttr, orderToggle) { varorderBy = orderAttr ?orderAttr : this.orderAttr; var order = orderToggle ?orderToggle : this.orderToggle; var progress = this.$Progress; varmLists = []; let params = { perPage: this.pagination.per_page, page: this.pagination.current_page, orderBy: orderBy, order: ( order == 1 ) ? 'asc' : 'desc' }; if ( response.data&&response.data.data&&response.data.data.length ) { this.$set('mLists', response.data.data); this.orderAttr = orderBy; this.orderToggle = order; var pagination = { total: response.data.total, per_page: response.data.per_page, current_page: response.data.current_page, last_page: response.data.last_page, from: response.data.from, to: response.data.to }; this.$set('pagination', pagination); } }, function(error) { swal('An Error Occurred', 'Please refresh the page and try again.', 'error'); }); }

Output:

Explanation: The Order By query sorts the Name parameter as per the instructions provided. The other option is by using the Sort Query. This does the same thing however there is a major difference between these two.

Orderby influences the entire query set. That would primarily mean that the entire query set passes through the single reducer. Now, this is fine if the data set is short and sweet. But for larger data sets, this may take a longer time.

Sort By does that through a local reducer. Hence a local ordering is done. Here each reducer’s output would be sorted. Total ordering will not be done across the entire dataset. However, it is going to be faster. That is a tradeoff many developers might want to make.

Example #2

Code:

SELECT rep_name, rep_country, sales_volume, rank() over (PARTITION BY rep_country ORDER BY sales_volume DESC) as rank FROM salesrep;

However, what makes orderBy() more efficient than sortBy() is because the former is essentially is trying to run a SQL query. Another example would be:

Code:

<?php

// If you want to then sort this collection object to be ordered by the created_at timestamp, you *could* do this. This will run quickly with a small number of rows in the result but will be essentially unusable/so slow that your server will throw 500 errors if the collection contains hundreds or thousands of objects.

That said, Order by is a powerful query that influences a large query set. The cleaner the code or seamless the crossover, the quicker will be the query action. Again this has been the hallmark of Laravel as a whole. It aims to provide clear instructions through its library.

Conclusion

As with all of the Laravel queries, orderBy() helps in a seamless transition. It is an important query and helps in creating order out of insanity.

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A Complete Guide To Tensorboard

Introduction

As data volume increases, deep learning techniques tend to perform better as compared to the classic methods. But, it comes with the drawback of complexity and thereby reduction in interpretability of the algorithm. The complexity also creates issues for hyperparameter tuning.

But what if there is a solution? 

The solution is TENSORBOARD. It is a visualization extension created by the TensorFlow team to decrease the complexity of neural networks. Various types of graphs can be created using it. A few of those are Accuracy, Error, weight distributions, etc.

Components of Tensorboard

There are five components to it, namely:

1) Scalars: It is very difficult to look at the accuracy and error for each epoch given the number of the epoch is very large and there are chances of ending up getting stuck in local minima instead of the global ones. These two problems can be solved using this section. It displays both accuracy and error graph wrt epoch.

2) Graphs: This section visualizes the “model.summary()” results. In other words, it makes the architecture of neural networks more appealing. This eases the process of architecture understanding easier.

3) Distributions: In general, neural networks contain a lot of layers and every layer is composed of numerous biases and weights. This section represents the distribution of these hyperparameters.

4) Histograms: Consists of the histogram of these hyperparameters.

5) Time-Series: Consists of the over-time values for the same. These sections are useful in controlling the hyperparameters by analyzing their trends.

Code

There are two ways to publish tensorboards: localhost(powered by terminal) and within jupyter notebook. The below code looks at both scenarios. For this exercise, we will be taking a very famous inbuilt dataset: mnist.

Step 1: import the TensorFlow library. import tensorflow as tf Step 2: Load data and divide it into train and test mnist = tf.keras.datasets.mnist (x_train, y_train), (x_test, y_test) = mnist.load_data() x_train, x_test = x_train / 255.0, x_test / 255.0 Step 3: Create model architecture model = tf.keras.models.Sequential([ tf.keras.layers.Flatten(input_shape=(28, 28)), tf.keras.layers.Dense(128, activation='relu'), tf.keras.layers.Dense(56, activation='relu'), tf.keras.layers.Dropout(0.2), tf.keras.layers.Dense(32, activation='relu'), tf.keras.layers.Dense(10) ]) Step 4: Compile model

loss=loss_fn, metrics=[‘accuracy’])

Step 5(important): Create a callback function. A callback function periodically(epochs) saves the model and the results(error, accuracy, bias, weights, etc) of the model. This is required as the graphs are a result of these values wrt every epoch. tf_callbacks = tf.keras.callbacks.TensorBoard(log_dir = "logs/fit" , histogram_freq = 1) Step 6(important): Model fitting (remember to pass callback function) model.fit(x_train, y_train, epochs=200, callbacks = tf_callbacks)

The results of these epochs are very difficult to remember.

Step 7: Create tensorboard using the following: %reload_ext tensorboard %tensorboard --logdir logs/fit

Comparing optimizers using Tensorboard visualization

The performance of the two optimizers can also be compared through this. In order to do so, create two directories “logs/optimizer1″(step 5) and “logs/optimizer2” and use these directories to store the results of the respective optimizer(step 4 to change the optimizer and step 6 to execute that) and then launch the tensorboard using step 7.

Final Note: 

Thanks for reading this blog, it requires a lot of patience to learn TensorFlow and its associated packages on your own. Kudos to you!

You can reach out to me on LinkedIn as well 🙂

The media shown in this article are not owned by Analytics Vidhya and is used at the Author’s discretion. 

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The Complete Guide To Youtube Ads For Marketers

If you’re deciding how to allocate your video ad budget, YouTube has the vast reach and powerful targeting capabilities that make it an undeniably valuable platform across the customer journey.

In this article we’ll take a look at your ad format options, run through how to set up a video ad campaign, list up-to-date ad specs, and leave you inspired with best practices from proven performers.

Bonus: Download the free 30-day plan to grow your YouTube following fast, a daily workbook of challenges that will help you kickstart your Youtube channel growth and track your success. Get real results after one month.

If you’ve already been spending time fine-tuning your YouTube marketing strategy, you’re probably familiar with most of these formats, by virtue of having seen them in action. But let’s walk through and take a gander at the details.

Sidebar: You’ll see the term “TrueView” pop up a lot. TrueView is YouTube’s pet name for the payment type where you only pay for an ad impression when a user chooses to watch it. (The other type of TrueView video ad is the discovery ad type, and we’ll give more details on that below.)

Meanwhile, their sign-up CTA shows up in both a companion banner in the top right of the display, and a video overlay in the bottom left. (Note that even if a viewer skips the video, the companion banner remains.)

When should you do this? When you’re aiming for a wide lift in brand awareness, and you’re confident that your creative is strong enough to hold your audience’s attention for the full 15 seconds.*

*Or up to 20 seconds if you’re in India, Malaysia, Mexico, Singapore or EMEA in general.

Source: ThinkwithGoogle

In an ideal world, both of these ad types appear in conjunction with related content. Of course, that’s not always the case.

Here’s where we get into the nitty gritty. First, your video ad will live on YouTube, so start by uploading the video file to your YouTube channel. Make sure the video is public—or, if you don’t want it popping up in your channel, you can make it unlisted.

1. Create your campaign

Sign in to your Google Ads account and select New Campaign.

a) Choose your campaign goal, based on your brand’s marketing objectives:

Sales

Website traffic

Product and brand consideration

Brand awareness and reach

Or: create a campaign without a goal’s guidance

c) Since you’re most likely working with video, you’ll want to select your video campaign subtype:

d) Don’t forget to name your campaign in a way that allows you to easily locate, manage, and optimize it in the future.

2. Define your campaign parameters

b) Enter your budget by day or as the total amount you’re willing to spend on the campaign. Also enter the dates your ad will run.

Discovery only (i.e., YouTube search results);

All of YouTube (i.e., search results, but also channel pages, videos and the youTube homepage)

YouTube Display network (i.e., non-YouTube affiliate websites, etc.)

3. Target your audience

If you haven’t created buyer personas yet, take the time to do so. The more you know about your audience, the better you can target them, and the higher your ROI.

Demographics: This covers age, gender, parental status, and household income. But YouTube also offers more detailed life-stage data: you can target new homeowners, college students, new parents, for instance.

Interests: Use topics and keywords to target people based on their past behaviour (i.e., search topics). This is how YouTube helps you find people at crucial moments, like when they’re researching their next electronics purchase, or trying to learn how to build a website.

Pro Tip: Remember that whether a video is relevant to a user’s interests is 3x more important to people than if it has a celebrity in it, and 1.6x more important than if it looks like it was expensive to produce.

Remarketing: Target audiences who have already interacted with your other videos, your website or your app.

4. Set your campaign to live

a) Enter the link to your ad, and hit the Create Campaign button to set your campaign running.

For more nitty-gritty detail, YouTube has their own guidelines for ad creation here.

YouTube ad specs

File format: AVI, ASF, Quicktime, Windows Media, MP4 or MPEG

Video Codec: H.264, MPEG-2 or MPEG-4

Audio Codec: AAC-LC or MP3

Aspect ratio: 16:9 or 4:3 is recommended, but YouTube will automatically adapt the file depending on the aspect ratio and device

Frame rate: 30 FPS

YouTube video ad length guidelines

Minimum length

Maximum length

Hook people immediately

What’s a hook? Maybe it’s a familiar face. A strong mood or emotion. Tight framing of key products or faces (unfamiliar ones, too). Perhaps a surprising or unusual genre choice like humour or suspense. Or a catchy song, if you can secure the rights.

For instance, this leaderboard-topping Vrbo ad starts off powerfully because of its opening shot of outright misery. Paired with a dissonant title (“Sunny beaches, sandy beaches,” etc.), audiences have a little bit of tension to keep them interested. Why is the sunny beach video about a sad wet man?

Source: VRBO

If you watch the video you’ll quickly realize the opening shot has little to do with the rest of the ad: it’s a bit of a bait and switch, but it’s jaunty enough that it works.

Brand early, but brand meaningfully

For a refreshing example of how a brand can fully embody its positioning, take a look at Mint Mobile’s new #stayathome-inflected ad. In it, majority owner and famously handsome man Ryan Reynolds alludes to the expensive studio-shot video Mint Mobile had started to prepare. Instead, he screenshares a Powerpoint with a bar graph and some “next steps.”

Source: Mint Mobile

The takeaway here? Branding is more than just making sure your logo shows up in the first 5 seconds, per YouTube’s recommendations. A truly great video ad personifies your brand in a way where literally every detail supports that character, tone and vision.

Connect with story + emotion

In 2023, Wells Fargo ran a brand awareness campaign on YouTube that directly acknowledged their recent history of spectacular customer abuse scandals. According to the bank’s VP of marketing, the campaign—meant to re-establish trust with regular people—was seen as risky and polarizing for internal stakeholders.

No matter your personal opinion of retail banking, in this one-minute long cornerstone ad, the combination of high-end costume-drama Western visuals and uplifting shots of people “doing the right thing” in offices is undeniably emotionally effective. Add in some famous guitar riffs and you have some pretty stirring stuff.

Source: Wells Fargo

The takeaway: anyone can “tell a story.” If you want to tell a really effective one, go for the throat and tell the story that takes a risk.

Pro Tip: And if you have the resources for multi-ad sequencing (i.e., multiple videos of differing lengths that target your audience in a given order), there are several kinds of narrative arc you might want to consider.

Show people what to do next

As we’ve mentioned, your YouTube ad needs a goal in order for you to measure its success.

Don’t be afraid to use templates

Not every brand has a century-old-bank or unicorn-startup budget to blow. Grocery delivery service Imperfect, for instance, creates quick, simple, personable videos that are perfectly effective.

If you know what your message is, you don’t need a Hollywood A-lister to deliver it. Our social video strategy toolkit has more suggestions to get you moving on making your masterpiece.

Source: Imperfect

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Complete Guide To Javascript Setinterval

Introduction to JavaScript setInterval

The following article provides an outline for JavaScript setInterval. In Javascript, the Window or Worker interface provides timer events and methods. One of these interfaces’ most essential methods is the setInterval() method. This method allows us to perform or execute a certain code snippet repetitively and after some fixed time interval. It returns a numeric id that uniquely represents the created interval and can be further used to destroy this event or stop repetitive execution with the help of the clearInterval() method and the interval id.WindowOrWorkerGlobalScope mixin provides us with timer-related events. One of them is the setInterval() method.

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Syntax of JavaScript setInterval

Given below is the syntax mentioned:

var intervalIdentifier = scope.setInterval(function, delayTime, [arguments1, arguments2, ...]); var intervalIdentifier = scope.setInterval(code, delayTime);

Explanation:

Intervalidentifier: The returned value from the setInterval method of WindowOrWorkerGlobalScope scope is a numeric identifier unique for every interval created in the session. It is always non-zero integers and can be further used to stop the execution of interval using the clearInterval() method, which is again, in turn, a method of WindowOrWorkerGlobalScope interface that helps in clearing the interval.

Function: This function holds the code snippet you aim to execute repeatedly once you set the interval. By default, we assume this function neither accepts any parameters nor returns any value.

DelayTime: The time in milliseconds(1 second = 1000 milliseconds) specifies the time interval between the repetitive call to the function.

Code: A string can be supplied optionally instead of the function call. The system compiles and executes this string each time the setInterval’s delay time ends, repeating this process. It is generally not used for security reasons.

Arguments: You can pass these optional parameters to your function call when needed.

Examples of JavaScript setInterval

Given below are the examples of JavaScript setInterval:

Example #1

Code:

var intervalIdentifier; function switchColour() { intervalIdentifier = setInterval(blinkString, 500); } function blinkString() { var divisionObject = document.getElementById(‘coloredDivision’); divisionObject.style.color = divisionObject.style.color == ‘red’ ? ‘blue’ : ‘red’; } function stopBlinking() { clearInterval(intervalIdentifier); }

Output:

Example #2

Suppose you want to display the countdown for a certain event and display the message after a specific time.

Code:

var startCounter=10; var countdownId = setInterval(newYearCounter ,1000); function newYearCounter() { document.getElementById(“displayCountdown”).innerHTML = startCounter + ” Seconds Left!”; startCounter -=1; if(startCounter===0){ document.getElementById(“displayCountdown”).innerHTML = “Happy New Year!”; clearInterval(countdownId); } }

Output:

Passing Parameters to the Called Function

There might come a situation in a real-time environment where you must pass the arguments to the function being called. We can optionally pass parameters to the function, which we call repetitively for execution in the setInterval() method.

Code:

var intervalId; var counter; function beginDisplayFunc() { intervalId = setInterval(function(){ displayMessage(“Good”, “Morning”); }, 2000); counter=0; } function displayMessage(param1, param2) { counter++; document.getElementById(“sample1″).innerHTML += counter + ” “; document.getElementById(“sample2”).innerHTML = “Parameters passed to displayMessage(): } function stopDisplayFunc() { clearInterval(intervalId); }

Callback Arguments

Some versions of some browsers do not support passing arguments to the function called in the setInterval method.

For example, Internet Explorer’s version 9 and previous versions do not support passing such arguments. In this case, we must make special efforts or consider these exceptions while coding for the setInterval() method. We can achieve passing arguments to setInterval() for non-compatible browsers in three ways.

Setting isPolyfill property of setInterval() method to true.

We can use an anonymous calling function to call a function without a parameter in the setInterval() method, which will, in turn, call a function; with we can do so in the following way:

var argumentPassingIntervalId = setInterval(function() { mainFunction('param1', 'param2', 'param3'); }, 3000);

In this case, we write and call the main function, which passes the arguments, inside the function that we pass to the setInterval() method.

Another way of achieving this is by using the bind function, which can be used in the following way – var myIntId = setInterval(function(param1) {}.bind(undefined, 20), 3000);

Nested setInterval() Events

It is possible that we can begin a certain event of setInterval() inside the function, which is, in turn, called by another setInterval() methods call. This is called the nesting of events. Browsers allow the nesting of events for, at most, 5 levels. Using the setInterval() method inside a 5-level nested setInterval enforces a minimum delay time restriction of four milliseconds. If we forcefully specify less than four milliseconds of value browser will internally pin it to 4 milliseconds.

Compatible browsers for this method usage are:

Chrome 30.0

Internet Explorer 0

Firefox 1.0

Edge

Opera 0

Safari 0

Conclusion – JavaScript setInterval

In this way, we can use the setInterval() method of the window scope object for repetitively executing a certain functionality after a specific time interval. However, we must consider certain issues and limitations of this method, like browser compatibility and nesting of such events.

Recommended Articles

This is a guide to JavaScript setInterval. Here we discuss the passing parameters to the called function, callback arguments, and nested setInterval() Events. You may also have a look at the following articles to learn more –

How To Enable Dark Mode Everywhere (A Complete Guide)

After many years of waiting, the dark mode has finally gone mainstream. Every developer out there is implementing dark mode as an essential feature and rightfully so. No matter if it’s an operating system, an app, or a website, dark mode is everywhere. So in this article, I have gathered all the bits and pieces about dark mode for all major software products. You can learn how to enable dark mode on operating systems for both mobile and desktop, web browsers, and popular social media websites. In general, you can enable dark mode everywhere and without any limitation. So having said that, let’s see how you can enable dark mode everywhere.

Enable Dark Mode Everywhere

Before we proceed, let me explain that we have divided the article broadly into three sections. First, we have operating systems which is further divided into desktop and mobile OSes. After that, we have the popular web browsers which include Google Chrome, Mozilla Firefox, and Safari. Next, we have popular social media websites including Facebook, Instagram, and Twitter. Finally, I have also included a short guide on how to force dark mode on all the apps on Android Q Beta. Having said that, feel free to jump across the sections as you find convenient.

How to Enable Dark Mode Based on OS 1. Enable Dark Mode on Windows

With the release of Windows 10 version 1809 in October last year, Microsoft brought a system-level dark mode to Windows 10. While it doesn’t force third-party apps to adapt dark mode, it is still plenty good. Windows 10 enables dark mode everywhere including File Explorer, Windows Settings, Taskbar, Start menu, Microsoft Edge, etc. You will simply love it.

2. Enable Dark Mode on macOS

3. Enable Dark Mode on Android

4. Enable Dark Mode on iOS

iOS brought a system-wide dark mode with the release of iOS 13. It works across the system including the apps developed by Apple and most of the noted third-party apps. Apple has made it very easy for developers to include dark mode in their apps so it should come to all third-party apps in near future.

To enable dark mode on your iPhone , open Settings and tap on “Display & Brightness”. At the top, you will find “Light” and “Dark” mode. Choose the “Dark” mode option and you are done. You can also enable the toggle for “Automatic” to set the time when dark mode will turn on and off. There’s also a handy Control Center toggle to quickly switch between the modes.

How to Enable Dark Mode on Browsers 1. Enable Dark Mode on Google Chrome

Windows

macOS

As I mentioned above, you don’t need to separately enable dark mode on Chrome for macOS. All you have to do is enable the dark mode from System Preferences and Chrome will adapt to dark mode accordingly. Enjoy the seamless experience!

Android

Open Chrome and go to Settings. Here, you will find “Themes” option. Open it and select “Dark”. The UI will change to dark mode instantly. By default, “System Default” is selected which changes the Chrome’s dark mode based on your system preferences.

Note: Make sure Chrome is up to date. It should be on Chrome 75 or above.

iOS

There’s no such setting for selecting dark mode on Google Chrome in iOS. It just follows the system settings. That means when iOS is in dark mode, Google Chrome will automatically turn to dark mode as shown in the picture below.

2. Enable Dark Mode on Safari

3. Enable Dark Mode on Firefox

Windows and macOS

If you have enabled dark mode from the system settings on Windows and macOS then Firefox should automatically switch to dark mode. In case it doesn’t, you can change it manually.

Android

Firefox doesn’t have a dark mode on both Android, but it does have support for add-ons. You can simply install the Dark Reader add-on and you can enjoy dark mode across the web. Or you can install the Firefox Preview (Free) which is set to replace Firefox mobile in the future. It has dark mode support.

iOS

Firefox does offer a dark mode on iOS devices but it doesn’t follow the system setting. You will have to manually enable it. To do that launch Firefox and tap on the hamburger menu at the bottom-right. Here, enable the “Enable Night Mode” toggle.

4. Enable Dark Mode on Microsoft Edge

Dark Mode on Social Media 1.  Enable Dark Mode on Twitter

On the Web

Android

On Android and iOS, the process is pretty straightforward. Open Twitter and swipe right to open the Twitter menu. Here, tap on the “bulb” icon at the bottom-left corner and you are good to go. Twitter offers two types of dark mode. The default one is more of a dark blue.

iOS

It’s much easier on iOS as Twitter gives all the options right there when you tap on the bulb icon as shown in the picture below.

2. Enable Dark Mode on Facebook and Instagram

On the Web

Facebook and Instagram, both don’t have a dark mode yet either on mobile apps or website. However, you can get very close to dark mode on web browsers by using the Dark Reader extension. You can install it on your browser and you will be able to experience Facebook and Instagram in complete dark mode.

Besides that, if you are using an Android device with Android Q beta, you can force apps to run in dark mode. It essentially means that you will be able to run both Facebook and Instagram apps in dark mode on Android Q. I have mentioned the steps in the next section so check it out.

On Android and iOS

Facebook still doesn’t offer dark mode on either iOS or Android. On the other hand, Instagram offers a dark mode which is tied to your system settings. So if you are using your Android or iOS device in dark mode, Instagram will automatically change to dark mode and vice versa.

Force Dark Mode on Android Q

Android Q has something called force dark mode which basically overrides the default theme of apps with a dark theme. While the end result is not as clean as you would expect, it sure looks great and gives a glimpse on how apps will look after proper dark theme implementation. In this section, I will show you how to enable force dark mode on Android Q beta in simple steps. So without wasting any time, let’s begin with the steps.

3. Open any app and it should be in dark mode including Google app, Facebook, Instagram and many more. Enjoy!

Enable Dark Mode Everywhere and Go Easy on Your Eyes

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