大约有 4,900 项符合查询结果（耗时：0.0167秒） [XML]
Run a string as a command within a Bash script
I have a Bash script that builds a string to run as a command
8 Answers
8
...
Should try…catch go inside or outside a loop?
I have a loop that looks something like this:
21 Answers
21
...
What is the difference between Θ(n) and O(n)?
Sometimes I see Θ(n) with the strange Θ symbol with something in the middle of it, and sometimes just O(n). Is it just laziness of typing because nobody knows how to type this symbol, or does it mean something different?
...
Finding last occurrence of substring in string, replacing that
So I have a long list of strings in the same format, and I want to find the last "." character in each one, and replace it with ". - ". I've tried using rfind, but I can't seem to utilize it properly to do this.
...
How to get first record in each group using Linq
Considering the following records:
4 Answers
4
...
How to check if a string starts with one of several prefixes?
I have the following if statement:
7 Answers
7
...
Is there a way to use SVG as content in a pseudo element :before or :after
I want to place some SVG images before some selected elements. I am using jQuery but that is irrelevant.
8 Answers
...
How can I replace a newline (\n) using sed?
How can I replace a newline (" \n ") with a space (" ") using the sed command?
42 Answers
...