大约有 44,000 项符合查询结果(耗时:0.0482秒) [XML]

https://stackoverflow.com/ques... 

`static` keyword inside function?

I was looking at the source for Drupal 7, and I found some things I hadn't seen before. I did some initial looking in the php manual, but it didn't explain these examples. ...
https://stackoverflow.com/ques... 

Linear Regression and group by in R

...ction. My data is an annual time series with one field for year (22 years) and another for state (50 states). I want to fit a regression for each state so that at the end I have a vector of lm responses. I can imagine doing for loop for each state then doing the regression inside the loop and adding...
https://stackoverflow.com/ques... 

Replacing .NET WebBrowser control with a better browser, like Chrome?

...ject I started a while back that thankfully got picked up by the community and turned into something wonderful. The project wraps the Chromium Embedded Framework and has been used in a number of major projects including Rdio's Windows client, Facebook Messenger for Windows and Github for Windows. ...
https://stackoverflow.com/ques... 

How do i find out what all symbols are exported from a shared object?

..., a UNIX shared library, or a Windows DLL? These are all different things, and your question conflates them all :-( For an AIX shared object, use dump -Tv /path/to/foo.o. For an ELF shared library, use readelf -Ws /path/to/libfoo.so, or (if you have GNU nm) nm -D /path/to/libfoo.so. For a non-ELF ...
https://stackoverflow.com/ques... 

Best way to center a on a page vertically and horizontally? [duplicate]

Best way to center a <div> element on a page both vertically and horizontally? 30 Answers ...
https://stackoverflow.com/ques... 

Using sed and grep/egrep to search and replace

... Use this command: egrep -lRZ "\.jpg|\.png|\.gif" . \ | xargs -0 -l sed -i -e 's/\.jpg\|\.gif\|\.png/.bmp/g' egrep: find matching lines using extended regular expressions -l: only list matching filenames -R: search recursively th...
https://stackoverflow.com/ques... 

Run cron job only if it isn't already running

... sort of watchdog for a daemon that I've created. If the daemon errors out and fails, I want the cron job to periodically restart it... I'm not sure how possible this is, but I read through a couple of cron tutorials and couldn't find anything that would do what I'm looking for... ...
https://stackoverflow.com/ques... 

What does the Visual Studio “Any CPU” target mean?

... AnyCPU assembly will JIT to 64-bit code when loaded into a 64-bit process and 32 bit when loaded into a 32-bit process. By limiting the CPU you would be saying: There is something being used by the assembly (something likely unmanaged) that requires 32 bits or 64 bits. ...
https://stackoverflow.com/ques... 

Commit specific lines of a file to git [duplicate]

... me two chunks as options to commit: one containing the first two changes, and one for the third change. Is there a way to specify actual line numbers, as the OP asked? – Nathan Long Dec 27 '11 at 21:11 ...
https://stackoverflow.com/ques... 

Remove duplicate elements from array in Ruby

... array = array.uniq uniq removes all duplicate elements and retains all unique elements in the array. This is one of many beauties of the Ruby language. share | improve this answ...