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π»π₯4 Free and Low-Cost Online Resources for Practicing Codeπβ³οΈ
1. TheCodePlayer:
link: http://thecodeplayer.com/
Β» β€οΈThis a web-based way to sharpen your coding skills by viewing screencasts from other coders. No account or log-in is needed; just visit the site and pick a category to begin watching or streaming a video.
2. CheckiO:
link: https://checkio.org
Β»βΌοΈIf youβve ever wanted to create a video game from scratch, this is a great way to get some practice in. CheckiO offers game coding practice for coders of all levels, and coders can practice either Python or JavaScript.
3. CodinGame:
link : http://codingame.com
Β»β
CodinGame is another great way to practice your coding skills by creating video games. Their website boasts that users can create games in the programming language of their choice, including Java, JavaScript, Python, Swift, Kotlin, Scala, PHP, Bash, C, C++, C#, Ruby, Perl, and many others.
4. Simplilearn:
link: https://www.simplilearn.com/mobile-and-software-development/
Β»π₯ Labs and projects are included in Simplilearnβs Advanced Java, Core Java, Python, C#, Scala, Perl, Ruby on Rails, C, Advanced CSS, CSS3 Fundamentals, Data Science with R, Data Science with Python, and many other certification training courses.
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Book content: Cpp projects and basics
File size:337 kB only OUR CHANNEL :_ AlgoMasters Join and share now!! OUR GROUP:_ Algo Programmers discuss here OUR BOT:_ HELLO_AlgoMasters
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β³οΈLESSON 2 : Booleans and Comparison Operators
πThe Boolean object represents a truth value:
true or false.
πAny object, including a Boolean object whose value is false, evaluates to true when passed to a conditional statement.
for More click here "Boolean Β«π₯
β
A comparison operator compares its operands and returns a boolean value based on whether the comparison is true.
β½οΈThese are >= , <= , = ,!= ...etc
@the operators can categorized as follows
+ Primary expressions
+ Left-hand-side expressions
+ Increment and decrement operations
+ Unary Operators
+ Arithmetic Operators
+ Relational Operators
+ Equality Operators
+ Bitwise Shift Operators
+ Binary bitwise operators
+ Binary bitwise operators
+ Binary logical operators . ..... etc
Eg;_ with different operator types
// === equal
'Andrew' === 'Andrew' // True
'Mike' === 'mike' // False
// !== not equal
'Andrew' !== 32 // True
12 !== 12 // False
// < less than
3 < 40 // True
3 < 3 // False
// <= less than or equal to
// 3 <= 3 // True
// 0 <= -23 // False
// > greater than
16 > -16 // True
-16 > 16 // False
// >= greater than or equal to
-23 >= -40 // True
100 => -100 // False
LESSON 3:IF and Advanced IF statements
βΎοΈif...else
The if...else statement executes a statement if a specified condition is truthy. If the condition is falsy, another statement in the optional else clause will be executed.
function testNum(a) {
let result;
if (a > 0) {
result = 'positive';
} else {
result = 'NOT positive';
}
return result;
}
console.log(testNum(-5));
// expected output: "NOT positive"
more on >π IF MDN π₯Β»CLICK ME
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(Javascript)β³οΈ LESSON 1: VARIABLES AND STATEMENTSπ»
> JS Variables are containers for storing information.
JavaScript statements often start with a statement identifier to identify the JavaScript action to be performed.
> JS Statement identifiers are reserved words and cannot be used as variable names (or any other things).
Eg:- break, class, const, let, for , var ,,....etc
βHOW DO WE DECLARE AND INITIALIZE iN JS?βοΈ
LET:_ The let declaration declares a block-scoped local variable, optionally initializing it to a value.
// Create a variable to store the city
let city = 'Philadelphia'// Create a variable to store the state
let state = 'Pennsylvania'// Create a variable to combine the city and state
let location = city + ', ' + state// Print the combined location to the terminal( console)
console.log(location)
Example 2:_ Let's strore numbers
// Create a number and assign to a variable
let age = 26// Add
let addResult = age + 1// 27 // Subtract
let subtractResult = age - 26.5// Multiply
let multiplyResult = age * 10// Divide
let divideResult = age / 2// -0.5 // 260 // 13 // Parenthesis can be used to make sure βοΈNote that JS comments allow you tp document your code. The content of your comment id for human only. //look the above comment lines like this Question for you??βοΈβοΈ What are the other key words used to declare variables in JS other than LET?? [
comment your answer below ]
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