大约有 47,000 项符合查询结果（耗时：0.0709秒） [XML]
Why does substring slicing with index out of range work?
Why doesn't 'example'[999:9999] result in error? Since 'example'[9] does, what is the motivation behind it?
3 Answers
...
How to trace the path in a Breadth-First Search?
How do you trace the path of a Breadth-First Search, such that in the following example:
5 Answers
...
Turning off some legends in a ggplot
Suppose I have a ggplot with more than one legend.
2 Answers
2
...
How do I strip non alphanumeric characters from a string and keep spaces?
I want to create a regex that removes all non-alphanumber characters but keeps spaces. This is to clean search input before it hits the db. Here's what I have so far:
...
Most efficient way to remove special characters from string
I want to remove all special characters from a string. Allowed characters are A-Z (uppercase or lowercase), numbers (0-9), underscore (_), or the dot sign (.).
...
Comparing strings with == which are declared final in Java
I have a simple question about strings in Java. The following segment of simple code just concatenates two strings and then compares them with == .
...
Passing a URL with brackets to curl
If I try to pass a URL to curl that contains brackets, it fails with an error:
2 Answers
...
How to break out of a loop in Bash?
I want to write a Bash script to process text, which might require a while loop.
2 Answers
...
Python: changing value in a tuple
I'm new to python so this question might be a little basic. I have a tuple called values which contains the following:
17...
How to sort strings in JavaScript
I have a list of objects I wish to sort based on a field attr of type string. I tried using -
11 Answers
...