大约有 43,000 项符合查询结果（耗时：0.0668秒） [XML]
What is the difference between char array and char pointer in C?
I am trying to understand pointers in C but I am currently confused with the following:
8 Answers
...
How can I parse a time string containing milliseconds in it with python?
I am able to parse strings containing date/time with time.strptime
7 Answers
7
...
Test whether string is a valid integer
I'm trying to do something common enough: Parse user input in a shell script. If the user provided a valid integer, the script does one thing, and if not valid, it does something else. Trouble is, I haven't found an easy (and reasonably elegant) way of doing this - I don't want to have to pick it ap...
Redis strings vs Redis hashes to represent JSON: efficiency?
I want to store a JSON payload into redis. There's really 2 ways I can do this:
3 Answers
...
How do I make a transparent border with CSS?
I have an li styled as follows:
9 Answers
9
...
pythonw.exe or python.exe?
Long story short: pythonw.exe does nothing, python.exe accepts nothing (which one should I use?)
6 Answers
...
Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
Every time I mention slow performance of C++ standard library iostreams, I get met with a wave of disbelief. Yet I have profiler results showing large amounts of time spent in iostream library code (full compiler optimizations), and switching from iostreams to OS-specific I/O APIs and custom buffer...
TreeMap sort by value
I want to write a comparator that will let me sort a TreeMap by value instead of the default natural ordering.
8 Answers
...
What's the point of Spring MVC's DelegatingFilterProxy?
I see this in my Spring MVC app's web.xml :
7 Answers
7
...
Local and global temporary tables in SQL Server
What is the difference between local and global temporary tables in SQL Server?
7 Answers
...