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Author SHA1 Message Date
shrutiag14
59cd0aabba Merge 2e6303c1f9 into 0931c8fc67 2024-08-22 12:26:31 +02:00
8 changed files with 98 additions and 98 deletions

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@@ -88,7 +88,7 @@ CHEATSHEET C#
string newStr = oldStr.Replace("old","new"); string newStr = oldStr.Replace("old","new");
//IndexOf //IndexOf
//Finds the first occurrence of a string in a larger string //Finds the first ocurrence of a string in a larger string
//Returns -1 if the string is not found //Returns -1 if the string is not found
String.IndexOf(val, start, num) String.IndexOf(val, start, num)
val - string to search for val - string to search for
@@ -102,7 +102,7 @@ CHEATSHEET C#
String.Split(Char[]); String.Split(Char[]);
//ToCharArray //ToCharArray
//Places selected characters in a string in a char array //Places selected characteres in a string in a char array
String str = "AaBbCcDd"; String str = "AaBbCcDd";
//create array of 8 vowels //create array of 8 vowels
var chars = str.ToCharArray(); var chars = str.ToCharArray();
@@ -135,7 +135,7 @@ CHEATSHEET C#
6.1 TimeSpan Constructor 6.1 TimeSpan Constructor
TimeSpan(hour, minute, sec) TimpeSpan(hour, minute, sec)
TimeSpan timeS = new TimeSpan(10, 14, 50); TimeSpan timeS = new TimeSpan(10, 14, 50);
TimeSpan timeS_Hours = TimeSpan.FromDays(3640); TimeSpan timeS_Hours = TimeSpan.FromDays(3640);
@@ -144,8 +144,8 @@ CHEATSHEET C#
Format item syntax: {index[,alignment][:format string]} Format item syntax: {index[,alignment][:format string]}
index - Specifies element in list of values to which format is applied index - Specifies element in list of values to which format is applied
alignment - Indicates minimum width (in characters) to display value aligment - Indicates minimun width (in characters) to display value
format string - Contains the code which specifies the format of the displayed value format string - Contains the code which specififes the format of the displayed value
7.1 Numeric 7.1 Numeric
@@ -293,7 +293,7 @@ CHEATSHEET C#
[access modifier] className (parameters) [:initializer] [access modifier] className (parameters) [:initializer]
initializer -base calls constructor in base class. initializer -base calls constructor in base class.
this calls constructor within class. this calls constuctor within class.
public class nameClass : Initializer { public class nameClass : Initializer {
public className(dataType param1 , dataType param2, ...) : base(param1, param2) public className(dataType param1 , dataType param2, ...) : base(param1, param2)
@@ -313,8 +313,8 @@ CHEATSHEET C#
abstract must be implemented by subclass abstract must be implemented by subclass
Passing parameters: Passing parameters:
1. By default, parameters are passed by value 1. By default, parametres are passed by value
2. Passing by reference: ref, in and out modifiers 2. Passing by reference: ref, in and out modifers
To pass a parameter by reference with the intent of changing the value, use the ref, or out keyword. To pass by reference with the intent of avoiding copying but not changing the value, use the in modifier To pass a parameter by reference with the intent of changing the value, use the ref, or out keyword. To pass by reference with the intent of avoiding copying but not changing the value, use the in modifier

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@@ -524,14 +524,14 @@ Cyan='\033[0;36m' # Cyan
White='\033[0;97m' # White White='\033[0;97m' # White
# Additional colors # Additional colors
LGrey='\033[0;37m' # Light Gray LGrey='\033[0;37m' # Ligth Gray
DGrey='\033[0;90m' # Dark Gray DGrey='\033[0;90m' # Dark Gray
LRed='\033[0;91m' # Light Red LRed='\033[0;91m' # Ligth Red
LGreen='\033[0;92m' # Light Green LGreen='\033[0;92m' # Ligth Green
LYellow='\033[0;93m'# Light Yellow LYellow='\033[0;93m'# Ligth Yellow
LBlue='\033[0;94m' # Light Blue LBlue='\033[0;94m' # Ligth Blue
LPurple='\033[0;95m'# Light Purple LPurple='\033[0;95m'# Light Purple
LCyan='\033[0;96m' # Light Cyan LCyan='\033[0;96m' # Ligth Cyan
# Bold # Bold

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@@ -397,8 +397,8 @@ d, t := doubleAndTriple(5)
_, t := doubleAndTriple(3) _, t := doubleAndTriple(3)
// t = 9 // t = 9
// Functions can defer commands. Deferred commands are // Functions can defer commands. Defered commands are
// ran in a stack order after the execution and // runned in a stack order after the execution and
// returning of a function // returning of a function
var aux = 0 var aux = 0
@@ -488,7 +488,7 @@ person3.Age // 0
## Maps ## Maps
Maps are data structures that holds values assigned to a key. Maps are data structures that holds values assigneds to a key.
```go ```go
// Declaring a map // Declaring a map
@@ -508,7 +508,7 @@ newYork // "EUA"
// Delete // Delete
delete(cities, "NY") delete(cities, "NY")
// Check if a key is set // Check if a key is setted
value, ok := cities["NY"] value, ok := cities["NY"]
ok // false ok // false
value // "" value // ""

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@@ -308,7 +308,7 @@ for(dataType item : array) {
//Declare a variable, object name //Declare a variable, object name
String s; String s;
//Invoke a constructor to create an object //Invoke a contructor to create an object
s = new String ("Hello World"); s = new String ("Hello World");
//Invoke an instance method that operates on the object's value //Invoke an instance method that operates on the object's value

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@@ -1,8 +1,8 @@
<?php <?php
// Exit the file, string inside get's echo'ed // Exit the file, string inside get's echo'ed
die("This file is not meant to be ran. ¯\_(ツ)_/¯"); die("This file is not ment to be ran. ¯\_(ツ)_/¯");
exit("This file is not meant to be ran. ¯\_(ツ)_/¯"); exit("This file is not ment to be ran. ¯\_(ツ)_/¯");
/** /**
* Printing * Printing
@@ -17,7 +17,7 @@ var_dump($arr); // Print anything, with type hints for any value and sizes
$string = 'Awesome cheatsheets'; $string = 'Awesome cheatsheets';
str_contains($string, 'cheat'); // Find if the string contains the specified string (PHP >= 8.0) str_contains($string, 'cheat'); // Find if the string contains the specified string (PHP >= 8.0)
str_replace('Awesome', 'Bonjour', $string); // Replace all occurrence str_replace('Awesome', 'Bonjour', $string); // Replace all occurence
strcmp($string, 'Awesome cheatsheets'); // Compare two strings strcmp($string, 'Awesome cheatsheets'); // Compare two strings
strpos($string, 'a', 0); // Get position in the string strpos($string, 'a', 0); // Get position in the string
str_split($string, 2); // Split the string str_split($string, 2); // Split the string
@@ -541,7 +541,7 @@ u Pattern is treated as UTF-8
\w Any "word" character (a-z 0-9 _) \w Any "word" character (a-z 0-9 _)
\W Any non "word" character \W Any non "word" character
\s Whitespace (space, tab CRLF) \s Whitespace (space, tab CRLF)
\S Any non whitespace character \S Any non whitepsace character
\d Digits (0-9) \d Digits (0-9)
\D Any non digit character \D Any non digit character
. (Period) - Any character except newline . (Period) - Any character except newline

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@@ -71,7 +71,7 @@
| import | import libraries/modules/packages | import | | import | import libraries/modules/packages | import |
| from | import specific function/classes from modules/packages | import | | from | import specific function/classes from modules/packages | import |
| try | this block will be tried to get executed | exception handling | | try | this block will be tried to get executed | exception handling |
| except | is any exception/error has occurred it'll be executed | exception handling | | except | is any exception/error has occured it'll be executed | exception handling |
| finally | It'll be executed no matter exception occurs or not | exception handling | | finally | It'll be executed no matter exception occurs or not | exception handling |
| raise | throws any specific error/exception | exception handling | | raise | throws any specific error/exception | exception handling |
| assert | throws an AssertionError if condition is false | exception handling | | assert | throws an AssertionError if condition is false | exception handling |