The tilde operator in Python - Stack Overflow
Nov 29, 2011 · What's the usage of the tilde operator in Python? One thing I can think about is do something in both sides of a string or list, such as check if a string is palindromic or not: def …
c - What does tilde (~) operator do? - Stack Overflow
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? #include<stdio.h> int main() { …
波浪号（～）是什么意思，正规的用法是什么？ - 知乎
按照国家标准，当你是使用波浪线符号的正规用法——表示一个数字范围的时候，请用一字宽的 「～」 U+FF5E FULLWIDTH TILDE，不推荐使用 「〜」 U+301C WAVE DASH。 后者很多字 …
What's the difference between tilde(~) and caret(^) in package.json?
After I upgraded to the latest stable node and npm, I tried npm install moment --save. It saves the entry in the package.json with the caret ^ prefix. Previously, it was a tilde ~ prefix. Why are ...
What is the best way to produce a tilde in LaTeX for a website?
Feb 14, 2014 · COMBINING TILDE Unicode: U+0303, UTF-8: CC 83 (previously known as a "non-spacing tilde", indicating its usage for accents over another character) and that is what …
What does the "~" (tilde/squiggle/twiddle) CSS selector mean?
May 28, 2012 · The ~ selector is in fact the subsequent-sibling combinator (previously called general sibling combinator until 2017): The subsequent-sibling combinator is made of the …
What does a tilde do when it precedes an expression?
Jan 7, 2017 · 18 For those considering using the tilde trick to create a truthy value from an indexOf result, it is more explicit and has less magic to instead use the includes method on …
c++ - The tilde operator in C - Stack Overflow
I've seen the tilde operator used in the ELF hashing algorithm, and I'm curious what it does. (The code is from Eternally Confused.) unsigned elf_hash ( void *key, int len ) { unsigned char *p =...
python - Tilde sign in pandas DataFrame - Stack Overflow
Feb 3, 2022 · @Zero, arguably not a duplicate question, the question refers specifically to the context of a tilde operating on a pandas DataFrame which has behaves differently to the tilde …
Explicit construction of the universal cover by hatcher - why define …
Dec 15, 2025 · However, Hatcher then proceeds to define a topology on $\tilde {X}$ which I find odd. Why does he take the trouble to define a new topology on $\tilde {X}$ instead of using the …