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Using str_replace so that it only acts on the first match?
...n preg_replace($from, $to, $content, 1);
}
echo str_replace_first('abc', '123', 'abcdef abcdef abcdef');
// outputs '123def abcdef abcdef'
The magic is in the optional fourth parameter [Limit]. From the documentation:
[Limit] - The maximum possible
replacements for each pattern in each
s...
How should I write tests for Forms in Django?
... response = self.client.post("/form-url/", data={ 'name': 'test123', 'category': 1, 'note': 'note123' }, content_type=django.test.client.MULTIPART_CONTENT) If any stuck with getting empty instance when saving the form, then check the requests sent from br...
Eclipse HotKey: how to switch between tabs?
...e defined.
They may be inherited from the multipage editor, making them an OS specific shortcut.
Regarding shortcuts on Mac OS (OSX), Matt Ball complained in Sept. 2011 to not being able to remap CTRL+Page Up/CTRL+Page Down:
It drives me nuts to not be able to flip through open tabs as I can ...
How do I disable orientation change on Android?
...
I've always found you need both
android:screenOrientation="nosensor" android:configChanges="keyboardHidden|orientation"
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Make xargs handle filenames that contain spaces
...layer
This method is simpler and works with the GNU xargs as well.
For MacOS:
ls *.mp3 | tr \\n \\0 | xargs -0 mplayer
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How to avoid “cannot load such file — utils/popen” from homebrew on OSX
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The problem mainly occurs after updating OS X to El Capitan (OS X 10.11) or macOS Sierra (macOS 10.12).
This is because of file permission issues with El Capitan’s or later macOS's new SIP process. Try changing the permissions for the /usr/local directory:
$ sud...
What's the proper way to install pip, virtualenv, and distribute for Python?
...pted it to answer my more specific question about installing virtualenv across multiple versions of Python indpendently of system packages - stackoverflow.com/questions/6812207/… - works perfectly.
– lofidevops
Jul 29 '11 at 15:12
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Determine if Python is running inside virtualenv
Is it possible to determine if the current script is running inside a virtualenv environment?
16 Answers
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使用Activity启动器组件 · App Inventor 2 中文网
...，例如，
Action：android.intent.action.VIEW
DataUri：https://www.fun123.cn
使用预先指定的消息启动邮件程序
2020 年 1 月 26 日：此示例已更新以适应 android 中的更改。 此处显示的电子邮件发送代码将在下一个应用程序发明者版本中运行，...
Java current machine name and logged in user?
Is it possible to get the name of the currently logged in user (Windows/Unix) and the hostname of the machine?
4 Answers
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