大约有 25,000 项符合查询结果（耗时：0.0441秒） [XML]
Java “user.dir” property - what exactly does it mean?
I want to use user.dir dir as a base dir for my unit tests (that creates a lot of files). Is it correct that this property points to the current working directory (e.g. set by the 'cd' command)?
...
Is there a difference between /\s/g and /\s+/g?
When we have a string that contains space characters:
4 Answers
4
...
How to work with complex numbers in C?
How can I work with complex numbers in C? I see there is a complex.h header file, but it doesn't give me much information about how to use it. How to access real and imaginary parts in an efficient way? Is there native functions to get module and phase?
...
MySQL Select Query - Get only first 10 characters of a value
...
Active
Oldest
Votes
...
How can I check if a method is static using reflection?
I want to discover at run-time ONLY the static Methods of a class, how can I do this?
Or, how to differentiate between static and non-static methods.
...
Write string to text file and ensure it always overwrites the existing content.
I have a string with a C# program that I want to write to a file and always overwrite the existing content. If the file isn't there, the program should create a new file instead of throwing an exception.
...
How to tell which colorscheme a Vim session currently uses
You can set the Vim color scheme by issuing
3 Answers
3
...
How to get execution time in rails console?
I want compare time of execution Post.all and SELECT * FROM posts (or some other statements) How can i get execution time of Post.all ?
...
XPath query to get nth instance of an element
There is an HTML file (whose contents I do not control) that has several input elements all with the same fixed id attribute of "search_query" . The contents of the file can change, but I know that I always want to get the second input element with the id attribute "search_query" .
...