Difference between == and === in JavaScript - Stack Overflow
Feb 7, 2009 · What is the difference between == and === in JavaScript? I have also seen != and !== operators. Are there more such operators?
Which equals operator (== vs ===) should be used in JavaScript ...
Dec 11, 2008 · I'm using JSLint to go through JavaScript, and it's returning many suggestions to replace == (two equals signs) with === (three equals signs) when doing things like comparing …
An "and" operator for an "if" statement in Bash - Stack Overflow
Quote: For a more elaborate explanation: [ and ] are not Bash reserved words. The if keyword introduces a condition to be evaluated by a process 1. The condition is true if the process's exit …
What is the difference between the | and || or operators?
I have always used || (two pipes) in OR expressions, both in C# and PHP. Occasionally I see a single pipe used: |. What is the difference between those two usages? Are there any caveats when using ...
Regular Expressions: Is there an AND operator? - Stack Overflow
Obviously, you can use the | (pipe?) to represent OR, but is there a way to represent AND as well? Specifically, I'd like to match paragraphs of text that contain ALL of a certain phrase, but in no
Difference between & and && in C? - Stack Overflow
The & operator performs a bit-wise and operation on its integer operands, producing an integer result. Thus (8 & 4) is (0b00001000 bitand 0b00000100) (using a binary notation that does not exist in …
How do I delete a Git branch locally and remotely?
Jan 5, 2010 · Don't forget to do a git fetch --all --prune on other machines after deleting the remote branch on the server. ||| After deleting the local branch with git branch -d and deleting the remote …
AND OR order of operations - Stack Overflow
May 29, 2013 · In the normal set of boolean connectives (from a logic standpoint), and is higher-precedence than or, so A or B and C is really A or (B and C). Wikipedia lists them in-order. Most …
css selectors - CSS "and" and "or" - Stack Overflow
May 9, 2010 · Learn about CSS selectors, including how to use "and" and "or" for efficient styling on Stack Overflow.
What's the differences between & and &&, | and || in R?
Using dplyr, the & and | logical operators are used. I have accidentally used && and II many times (because I am also a C# programmer) and it returns the incorrect results that one would expect from …