英语中表达并列，and前加不加逗号？ - 知乎
Mar 22, 2016 · 这个用在and和or前面、有三者及以上并列时的逗号叫做 serial comma，或者series comma、 Oxford comma 、 Harvard comma。 基本原则 简单来说，加不加这个逗号，主要 …
在英语中，and符号“&”应该怎么用？ - 知乎
“&”这个符号按照以下图片所示一笔手写成。 &是逻辑语言，逻辑上表示两者属于缺一不可的关系，还可以表示一个人和另外一个人之意，与and同义。如A&B，表示A与B,A和B,A*B。 …
An "and" operator for an "if" statement in Bash - Stack Overflow
if [ "${STATUS}" != 200 ] && [ "${STRING}" != "${VALUE}" ]; then ... In each of these, ] is the final argument to the invocation of [, as required. The shell parses && and ; as tokens which …
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?
c++ - Difference between | and || , or & and && - Stack Overflow
Dec 28, 2015 · The operators |, &, and ~ act on individual bits in parallel. They can be used only on integer types. a | b does an independent OR operation of each bit of a with the …
java - Difference between >>> and >> - Stack Overflow
May 11, 2010 · What is the difference between >>> and >> operators in Java?
bitwise operators - What does the 'and' instruction do to the …
Dec 4, 2018 · This should be described in the documentation for any assembler that has an and instruction. It does a bit-wise Boolean "and" between two operands. In other words, …
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 …
What is the difference between the | and || or operators?
Aug 29, 2008 · 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? …
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 …