大约有 47,000 项符合查询结果（耗时：0.0657秒） [XML]
What is the ultimate postal code and zip regex?
... zip code regex. I'm looking for something that will cover most (hopefully all) of the world.
20 Answers
...
Ruby, Difference between exec, system and %x() or Backticks
...
system
The system method calls a system program. You have to provide the command as a string argument to this method. For example:
>> system("date")
Wed Sep 4 22:03:44 CEST 2013
=> true
The invoked program will use the current STDIN, STDO...
How do I center floated elements?
...ine-block works cross-browser, even on IE6 as long as the element is originally an inline element.
Quote from quirksmode:
An inline block is placed inline (ie. on the same line as adjacent content), but it behaves as a block.
this often can effectively replace floats:
The real use of th...
How do I auto-submit an upload form when a file is selected?
I have a simple file upload form. How do I make it submit automatically when a file has been selected? I don't want the user to have to click the Submit button.
...
phpinfo() - is there an easy way for seeing it?
...ow, but you can't see the phpinfo(); contents without making the function call. Obviously, the best approach would be to have a phpinfo script in the root of your web server directory, that way you have access to it at all times via http://localhost/info.php or something similar (NOTE: don't do this...
How can I enable zoom in on UIWebView which inside the UIScrollView?
...page in code to display, and I want it to remain at the previous size, but allow my users to zoom in with pinch zooming
– Dan F
May 9 '11 at 18:50
33
...
How to replace a set of tokens in a Java String?
...
The most efficient way would be using a matcher to continually find the expressions and replace them, then append the text to a string builder:
Pattern pattern = Pattern.compile("\\[(.+?)\\]");
Matcher matcher = pattern.matcher(text);
HashMap<String,String> replacements = new...
TypeError: 'dict_keys' object does not support indexing
...keys object behaves a lot more like just the keys half of a dict. Specifically, they support O(1) membership testing (and other set-like methods that can be implemented efficiently on top of that fact). These things aren't possible with a list and if you want a list of the dict's keys, you've alwa...
Git undo local branch delete
...o recover from this kind of error.
EDIT: By the way, don't run git gc (or allow it to run by itself - i.e. don't run git fetch or anything similar) or you may lose your commits for ever.
share
|
im...
Resolve conflicts using remote changes when pulling from Git remote
...
If you truly want to discard the commits you've made locally, i.e. never have them in the history again, you're not asking how to pull - pull means merge, and you don't need to merge. All you need do is this:
# fetch from the default remote, origin
git fetch
# reset your current ...