Value In Brief
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Create and remove swap files in Ubuntu Linux

Computers use RAM to store data and run programs and services. So, the data / programs in RAM are temporarily available — as you use the program or data. When you shutdown your computer, RAM will be free. RAM is faster than HDD or SSD in read and write speed. So we use it to hold the currently running programs and data. But they are expensive, so we use less of them and rely on swap file to delegate some less used data / program to it.

[solved] How to fix csrf invalid in Jumia ?

Invalid CSRF token This error message means that your browser couldn’t create a secure cookie, or couldn’t access that cookie to authorize your login. This can be caused by ad-blocking or script-blocking plugins, but also by the browser itself if it’s not allowed to set cookies. Or that your laptop is shutdown before completing the login request and cookie-setting. Make sure that the error is persistent. Refresh the webpage. If the csrf invalid message appeared again.

CSS & CSS3 Cheatsheet

CSS is a language that describes the style of an HTML document. CSS describes how HTML elements should be displayed. CSS stands for Cascading Style Sheets. CSS saves a lot of work becuase it can control the layout of multiple web pages all at once. CSS rule-set consists of a selector and a declaration block , see the following image. The declaration block contains one or more declarations separated by semicolons.

Laravel – Documentation and Code Snippets

Laravel is a framework for backend development for websites. It is written in PHP programming language. We use PHP to write website backend code in Laravel framework. A list of operators on Eloquent’s where() method When you use Eloquent’s where() method, by default it will use the = operator (i.e. ->where('fieldname','value') will generate ... WHERE fieldname = 'value'.... However you are not limited to just =. You can do something like this:

Kotlin for Android - Documentation and Code Snippets

All you need to start creating Android app in Kotlin. Kotlin Syntax Print to console print("Amit Shekhar") println("Amit Shekhar") Constants and Variables var name = "Amit Shekhar" val name = "Amit Shekhar" Assigning the null value var otherName : String? otherName = null Verify if value is null text?.let { val length = text.length } // or simply val length = text?.length Concatenation of strings var firstName = "Amit" var lastName = "Shekhar" var message = "My name is: $firstName$lastName" New line in string val text = """ |First Line |Second Line |Third Line """.

Java for Android – Documentation and Code Snippets

All you need to create Android app in Java. Java Syntax Primitive Data Types byte short int long float double char boolean Java Operators: Arithmetic: + , – , * , ? , % Assignment: = , -= , += , *= , /= , %= , &= , ^= , |= , «= , »= , »>= Bitwise: ^ , & , | Logical: && , || Relational: < , > , <= , >= , == , !

Javascript Cheatsheet – Documentation and Code Snippets

Javascript is a scripting language, created to run in the Internet browser but later used in all places!. Javascript is always shortened as js or JS. Javascript Syntax: Variables // declare a variable var ourName; // store values myNumber = 5; myString = "myVar"; // declare variables with the assignment operator var myNum = 0; // add, subtract, multiply and divide numbers myVar = 5 + 10; // 15 myVar = 12 - 6; // 6 myVar = 13 * 13; // 169 myVar = 16 / 2; // 8 // increment and decrement numbers i++; // the equivalent of i = i + 1 i--; // the equivalent of i = i - 1; // decimals var ourDecimal = 5.

Why Go is better than Rust ?

First, it’s very important to say that both Go and Rust are absolutely excellent programming languages. My goal here is not to criticize any language. In this article, I’ll try to give a brief overview of where I think Rust is the ideal choice, and where I think Go is a better alternative. If you had to sit down and think of the programming languages which were best aligned with the motive to develop secure, microservice favoring frameworks and apps, you would again find yourself staring at the two languages.

How to Convert Arabic Numbers to Hindi Excel

if you want to convert numeric numbers (1234567890) to Arabic numbers (Hindi)(١٢٣٤٥٦٧٨٩٠) select the area of cells that you want to change press ctrl + 1 for format cell go to custom and type this code: [$-2060000]0 Note: Hindi numbers are ١٢٣٤٥٦٧٨٩٠ but we generally call them Arabic numbers which is not correct.

Show Hidden Files in Mac Finder

In Finder, you can click your computer’s hard drive under Locations, then open your Macintosh HD folder. Press Command + Shift + . (period) to make the hidden files appear. You can also do the same from inside the Documents, Applications, and Desktop folders. If you want to hide the files again, press Command + Shift + . (period) again. The post is finished because we are giving VALUE IN BRIEF.