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Vikas Rajput
@vikasrajputin 1 year, 7 months ago 159 views

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These 5 youtube channels will teach you programming more than a CS degree

🧵👇

1. FreeCodeCamp

https://t.co/RQae8ZU2wx

2. Programming with Mosh

https://t.co/NkaUHP5Waa

3. Derek Banas

https://t.co/yIe2G1wskd

4. Traversy Media

https://t.co/LQgK4nze2g

5. Durga Software Solution

https://t.co/UPfq95gHfi

6. Netninja

https://t.co/I4hk8kbFcI

7. Academind

https://t.co/GYh8fkO5EH

Before you go, do you know?
I've also started writing on LinkedIn.

I share some exclusive content there, which I never share here.

Follow me on Linkedin to stay updated with Backend content:
https://t.co/XgytLk3FWg

Namaste, I'm Vikas!

Every Mon, Wed & Friday - I tweet a thread on Backend Development.

Follow me @vikasrajputin to read all my future threads.

Like and RT the first tweet below to support my work. https://t.co/u6vE7NnsBp

These 5 youtube channels will teach you programming more than a CS degree

\U0001f9f5\U0001f447
— Vikas Rajput (@vikasrajputin) September 26, 2022

***7 youtube channels

Note:

- This thread is written from a programming perspective only

- Most CS degrees don't make you an employable programmer

- To become that, you should refer to these channels

- I've nothing against CS and don't want anyone to quit their degree after reading this thread.

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Vikas Rajput
@vikasrajputin

Java: Acess Modifiers

a thread...

(Cheatsheet Included)

What is an access modifier?

Access Modifiers are a way of providing limited visibility to methods, variables, classes.

Different access modifiers provide different visibility due to which our program because less prone to unwanted changes.

Java has four access modifiers, let's see each one by one

public:
It's the least restrictive access modifier when any class, method, or variable is defined as public then it is accessible from anywhere.

protected:
Protected methods & variables can be accessed within the same package and also accessible to all child classes.

default:
When no access modifier is specified then java treats it as default. With default methods & variables are accessible within the same package.

private:
It's the most restrictive access modifier, when given to any methods & variable it is only accessible within the same class.

Vikas Rajput
@vikasrajputin

Java: Why do we use getter and setter methods?

a thread...

In Java classes, we normally create the getter and setter methods to read and update class level fields respectively.

Let's find out why do we following this practice.

Consider a class "Account", having fields like accountName and accountBalance - to show the name and balance of the account.

As a common practice, both the variables are private and define the public getter and setter method to read and write their values.

Eg:

Using the above example, let's see different use-cases where having getter and setter methods can be game-changing.

1. Validation:

The public getter and setter method act as a single door to access the private fields.

Before updating the value we can run any validation in the setter method and accordingly allow field modification.

Eg:

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Vikas Rajput
@vikasrajputin

Ultimate Backend Development Roadmap in 2022:

📂Basics
📄Internet
📄Client-Server Architecture
📂Any Language & Framework
📄Java + Spring
📄Python + Django
📄JS + Node
📂Git
📂SQL/NoSQL
📂Basic DevOps
📄CI/CD, Cloud Hosting (AWS, etc)
📄Docker, Kubernetes

Vikas Rajput
@vikasrajputin

Java: Beginner Guide to Stream API

a thread...

Streams are a way to perform operations on the whole collection of data.

Stream never modifies the source data, it processes it and gives us the result without modifying the original data.

Let's see few popular ways to create stream:

1. Collection. stream()
2. Stream.of(T... values)
3. Arrays. stream()
4. Stream.builder()

Eg:️

Consider stream as a pipeline, where we perform mainly two different operations on the source data:

1. Intermediate Operations(IO)
2. Terminal Operations(TO)

Here's what the stream pipeline looks like:

Source -> Intermediate Operations -> Terminal Operations

Intermediate Operations(IO):

It returns another stream object, after this, we can either call another IO or TO.

Few methods in Stream API for Intermediate operations:
1. filter()
2. map()
3. sorted()

and many more...

Vikas Rajput
@vikasrajputin

Java: Beginner Guide to Multithreading

a thread...

Multithreading is a concept of applying multitasking in Java.

Java supports thread-based multitasking.

Java program can be divided into several threads and those threads can be executed in parallel to support multi-tasking.

Two ways to create a thread in Java:

1. By Implementing Runnable Interface
2. By extending the Thread class

Let's create a thread by implementing the "Runnable" interface:

Steps:
1. Implement Runnable Interface
2. Override the run() method, and put your code inside it.
3. Pass the instance of your class to the Thread class constructor.
4. Call the start() method to run your thread.

Let's create a thread by extending the "Thread" class:

Steps:
1. Extend your class with Thread class
2. Override the run() method, and put your code inside it.
3. Instantiate your class.
4. Call the start() method to run your thread.

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I just finished Eric Adler's The Battle of the Classics, and wanted to say something about Joel Christiansen's review linked below. I am not sure what motivates the review (I speculate a bit below), but it gives a very misleading impression of the book. 1/x

As someone\u2019s who\u2019s read the book, this review strikes me as tremendously unfair. It mostly faults Adler for not writing the book the reviewer wishes he had! https://t.co/pqpt5Ziivj
— Teresa M. Bejan (@tmbejan) January 12, 2021

The meat of the criticism is that the history Adler gives is insufficiently critical. Adler describes a few figures who had a great influence on how the modern US university was formed. It's certainly critical: it focuses on the social Darwinism of these figures. 2/x

Other insinuations and suggestions in the review seem wildly off the mark, distorted, or inappropriate-- for example, that the book is clickbaity (it is scholarly) or conservative (hardly) or connected to the events at the Capitol (give me a break). 3/x

The core question: in what sense is classics inherently racist? Classics is old. On Adler's account, it begins in ancient Rome and is revived in the Renaissance. Slavery (Christiansen's primary concern) is also very old. Let's say classics is an education for slaveowners. 4/x

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Thread.

Recently, Harsimrat Kaur @HarsimratBadal_ claimed in parliament that Guru Tegh Bahadur protected the religion of Hindus despite of being a Non-Hindu. And Hindus owe a huge favor to others.

In this thread, I will show that Guru Tegh Bahadur was every inch a Hindu!

Let us begin with some contemporary sources.

Guru Tegh Bahadur visited the holy Triveni at Prayaga in 1662 CE.

This visit is documented in contemporary Bhat Vahi records.

Unlike those unpublished "bhat vahis", this one was published by Sikh historian Madanjit Kaur (1978)

This Bhat Vahi was signed by Guru Tegh Bahadur.

The content of the letter is particularly striking.

Guru Tegh Bahadur calls himself a devotee of Naina Devi.

Note. A devotee of Naina Devi. He does not mention Akal Purakh or Waheguru.

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I'm gonna do my other star wars thread tomorrow, which will primarily be me yelling at a @RowanKaiser-shaped strawman for calling the First Order and The Resistance "cosplayers who the rest of the galaxy has to deal with"

the deal w/the New Republic, the First Order, and the Resistance is very weird and complex and I actually take issue with how Story Group frames the actual conflict.

pre-TFA stuff is presented as a "cold war" between the New Republic and the remnants of the Empire that form the First Order, which 100% makes sense.

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ok never mind I'm fucking doing this now.

The First Order fleet we see in TLJ is *not* the entire fleet of the First Order (I don't even think Starkiller Base was their main base of operations honestly, it couldn't have been considering they were operating out of Wild Space)