大约有 47,000 项符合查询结果（耗时：0.0932秒） [XML]
Bootstrap 3 - Why is row class is wider than its container?
I just started using Bootstrap 3. I am having a difficult time
understanding how the row class works.
Is there a way to avoid the padding-left and padding-right ?
...
Why does PostgreSQL perform sequential scan on indexed column?
Very simple example - one table, one index, one query:
4 Answers
4
...
How do I add 24 hours to a unix timestamp in php?
I would like to add 24 hours to the timestamp for now. How do I find the unix timestamp number for 24 hours so I can add it to the timestamp for right now?
...
php: determine where function was called from
is there a way to find out, where a function in PHP was called from?
example:
8 Answers
...
Is there a difference between /\s/g and /\s+/g?
When we have a string that contains space characters:
4 Answers
4
...
Once upon a time, when > was faster than < … Wait, what?
I am reading an awesome OpenGL tutorial . It's really great, trust me. The topic I am currently at is Z-buffer. Aside from explaining what's it all about, the author mentions that we can perform custom depth tests, such as GL_LESS, GL_ALWAYS, etc. He also explains that the actual meaning of depth v...
Updating and committing only a file's permissions using git version control
Just turned an some.sh file into an executable ( chmod 755 ... ), the permissions were updated but not the content. Is there a way to commit the file into git, so that the executable bit will be restored/set on clone / checkout / pull ?
...
Example of multipart/form-data
I am wondering if anyone can share with me an example of multipart/form-data that contains:
2 Answers
...
C++ Double Address Operator? (&&)
I'm reading STL source code and I have no idea what &amp;&amp; address operator is supposed to do. Here is a code example from stl_vector.h :
...
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...