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 …
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 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 …
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 …
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 …
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 …
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 …
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 =...
Difference between "≈", "≃", and "≅" - Mathematics Stack Exchange
In mathematical notation, what are the usage differences between the various approximately-equal signs "≈", "≃", and "≅"? The Unicode standard lists all of them inside the Mathematical …
elementary set theory - What's the meaning of $\tilde {y ...
May 17, 2020 · In Linear Algebra by Liesen, J. and Mehrmann, V., the following notation is used: This chapter is about Maps in Set Theory. The authors explain the meaning of each symbol, …