大约有 9,000 项符合查询结果（耗时：0.0265秒） [XML]
Split string with delimiters in C
How do I write a function to split and return an array for a string with delimiters in the C programming language?
20 Answe...
Getting “unixtime” in Java
Date.getTime() returns milliseconds since Jan 1, 1970. Unixtime is seconds since Jan 1, 1970. I don't usually code in java, but I'm working on some bug fixes. I have:
...
Convert a list of characters into a string
If I have a list of chars:
9 Answers
9
...
How to get all subsets of a set? (powerset)
...
Active
Oldest
Votes
...
Why are #ifndef and #define used in C++ header files?
I have been seeing code like this usually in the start of header files:
4 Answers
4
...
How do I create delegates in Objective-C?
I know how delegates work, and I know how I can use them.
19 Answers
19
...
How do I find out which keystore was used to sign an app?
I have an app which is signed and several keystore files. I'd like to update the app, so I need to find out which one of keys was used.
...
URL rewriting with PHP
I have a URL that looks like:
5 Answers
5
...
Number of lines in a file in Java
I use huge data files, sometimes I only need to know the number of lines in these files, usually I open them up and read them line by line until I reach the end of the file
...
What is the optimal length for an email address in a database?
Here is an extracted portion of my query, reflecting the EMAIL_ADDRESS column data type and property:
8 Answers
...