大约有 16,000 项符合查询结果（耗时：0.0367秒） [XML]
Asynchronous shell exec in PHP
...
if the user you run apache (usually www-data) doesn't have the permissions to use at and you can't configure it to, you can try to use <?php exec('sudo sh -c "echo \"command\" | at now" '); If command contains quotes, see escapeshellarg to save you headaches...
Turning a string into a Uri in Android
...
Uri myUri = Uri.parse("http://www.google.com");
Here's the doc http://developer.android.com/reference/android/net/Uri.html#parse%28java.lang.String%29
share
|
...
What do 'lazy' and 'greedy' mean in the context of regular expressions?
...
Greedy will consume as much as possible. From http://www.regular-expressions.info/repeat.html we see the example of trying to match HTML tags with <.+>. Suppose you have the following:
<em>Hello World</em>
You may think that <.+> (. means any non newl...
What is the meaning of the term arena in relation to memory?
...
From http://www.bozemanpass.com/info/linux/malloc/Linux_Heap_Contention.html:
The libc.so.x shared library contains the glibc component and the heap
code resides inside it. The current implementation of the heap uses
multiple ind...
Regular Expression for alphanumeric and underscores
...ppreciate the readability of the full POSIX character class names ( http://www.zytrax.com/tech/web/regex.htm#special ), so I'd say:
^[[:alnum:]_]+$
However, while the documentation at the above links states that \w will "Match any character in the range 0 - 9, A - Z and a - z (equivalent of POSI...
What is the size of an enum in C?
...
Taken from the current C Standard (C99): http://www.open-std.org/JTC1/SC22/WG14/www/docs/n1256.pdf
6.7.2.2 Enumeration specifiers
[...]
Constraints
The expression that defines the value of an enumeration constant shall be an integer
constant expression that has...
Python Flask, how to set content type
...ef hello():
headers={ 'content-type':'text/plain' ,'location':'http://www.stackoverflow'}
response = make_response('<h1>hello world</h1>',301)
response.headers = headers
return response
case two：
@app.route('/hello')
def hello():
headers={ 'content-type':'text/...
How to use icons and symbols from “Font Awesome” on Native Android Application
...icon fonts, plus adding gradients to make the icons even prettier:
http://www.sqisland.com/talks/beautiful-android
The icon font explanation starts at slide 34:
http://www.sqisland.com/talks/beautiful-android/#34
share
...
Lightweight XML Viewer that can handle large files [closed]
...
Try EditPlus - http://www.editplus.com/
share
|
improve this answer
|
follow
|
...
Using HTML5/Canvas/JavaScript to take in-browser screenshots
... this presentation by Elliott Sprehn from the Google Feedback team:
http://www.elliottsprehn.com/preso/fluentconf/
share
|
improve this answer
|
follow
|
...