c - What does tilde (~) operator do? - Stack Overflow
2020年1月17日 · I recently saw the above operator in a code,I googled for it but found nothing.The code is below.Please describe what actually does this operator do? …
How to manually expand a special variable (ex: ~ tilde) in bash
The added benefit is that if there is no tilde nothing happens to the variable, and if there is a tilde but not in the first position it is also ignored. (I include the -i for read since I use this in a loop …
Meaning of tilde in Linux bash (not home directory)
As Sean Bright pointed out in a comment, the baseline tilde behavior regarding home directories is codified as standard behavior for POSIX-compliant shells. Additionally, the wordexp() C API …
What's the function of the ~ bitwise operator (Tilde)
2012年2月3日 · Why tilde on negative number(eg ~~-1) return 184467440737... in MySql query. 0. Calculating sum of two ...
In requirements.txt, what does tilde equals (~=) mean?
2016年9月20日 · In the requirements.txt for a Python library I am using, one of the requirements is specified like: mock-django~=0.6.10 What does ~= mean?
The tilde operator in Python - Stack Overflow
2011年11月29日 · One use I've found for the tilde operator is for converting a fraction from some base into base-10. For instance, let's say you want to convert 0.01 from base-5 to base-10. …
Difference between $HOME and '~' (tilde)? - Stack Overflow
2015年6月4日 · It should be mentioned that there's more to tilde expansion than this. See the bash manual on Tilde Expansion. For instance, tilde is expanded when used in variable …
apache - what is the use of "~" tilde in url? - Stack Overflow
Tilde isn't anything special in the URLs. It's just another character like a %20 character or a -. Some web host companies use it to identify users by giving the users directories like …
Difference between "≈", "≃", and "≅" - Mathematics Stack Exchange
The approximation sign "≈" I use for decimal approximations with tilde "~" being a rougher approximation. Tilde "~" I use to state a geometric shape is similar to another one ie a triangle …
波浪号（～）是什么意思，正规的用法是什么？ - 知乎
「~」U+007E TILDE（最常见，英文状态下 shift 加 1 左边那个键就是，有的字体中它偏上，而不是水平居中） 「～」 U+FF5E FULLWIDTH TILDE（Windows 下有的输入法在中文状态下会 …