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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 do I access the host machine from the guest machine? [closed]
...ows XP VM on my Mac using VMware Fusion. The VM is using NAT to share the host's internet connection.
7 Answers
...
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...
Getting the path of the home directory in C#?
...MEPATH%. Reading environment variables is actually very portable to do (across Unix and Windows), so I'm not sure why the poster wanted to not do it.
Edited to add: For crossplatform (Windows/Unix) C#, I'd read $HOME on Unix and OSX and %HOMEDRIVE%%HOMEPATH% on Windows.
...
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，...
Quick and easy file dialog in Python?
...w I'm prompting the user for the file to parse using raw_input which is most unfriendly, especially because the user can't copy/paste the path. I would like a quick and easy way to present a file selection dialog to the user, they can select the file, and then it's loaded to the database. (In my...
How do you stop MySQL on a Mac OS install?
...starting from the MySQL System Preferences panel.
– Ross Henderson
Apr 16 '11 at 1:00
4
In my cas...
VBoxManage: error: Failed to create the host-only adapter
... should now be able to run vagrant up or vagrant reload and have your new host configured.
As mentioned in this answer, recent versions of macOS can block VirtualBox.
Solution:
Go to System Preferences > Security & Privacy Then hit the "Allow" button to let Oracle (VirtualBox) load.
...
What is a non-capturing group in regular expressions?
...
[] is a set; [123] matches any char inside the set once; [^123] matches anything NOT inside the set once; [^/\r\n]+ matches one or more chars that are different from /, \r, \n.
– Ricardo Nolde
Jun 5 ...
How to repeat a string a variable number of times in C++?
...
std::string(5, '.')
This is a contrived example of how you might use an ostringstream to repeat a string n times:
#include <sstream>
std::string repeat(int n) {
std::ostringstream os;
for(int i = 0; i < n; i++)
os << "repeat";
return os.str();
}
Depending on...