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Remove a string from the beginning of a string
... came in at .17 sec, whereas (substr($str, 0, strlen($prefix)) == $prefix) from the accepted answer was more like .37
– billynoah
Jul 31 '15 at 5:33
add a comment
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Correct file permissions for WordPress [closed]
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This solution will prevent wordpress from installing 'automatic security updates'. You need to manually run the steps above for each minor wordpress update.
– Jeroen
Jan 13 '17 at 10:49
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Should I instantiate instance variables on declaration or in the constructor?
...the compiler:
{
a = new A();
}
Check Sun's explanation and advice
From this tutorial:
Field declarations, however, are not part of any method, so they cannot be executed as statements are. Instead, the Java compiler generates instance-field initialization code automatically and puts it...
Pseudo-terminal will not be allocated because stdin is not a terminal
...reates some directories on a remote server and then uses scp to copy files from my local machine onto the remote. Here's what I have so far:
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When is it appropriate to use C# partial classes?
...nting interfaces in C#, and keeping the interface members clearly seperate from the class-members: stackoverflow.com/questions/3601901/why-use-partial-classes/…
– STW
Aug 30 '10 at 21:14
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Enum “Inheritance”
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This is not possible. Enums cannot inherit from other enums. In fact all enums must actually inherit from System.Enum. C# allows syntax to change the underlying representation of the enum values which looks like inheritance, but in actuality they still inherit from S...
Easy way to dismiss keyboard?
...is is actually guaranteed to work, or is just a non-guaranteed side effect from calling an API in a way that it's not documented to work.
– JosephH
Sep 14 '10 at 4:28
3
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In Java, when should I create a checked exception, and when should it be a runtime exception? [dupli
... the cheaper it is to fix it, I prefer CheckedExceptions for this reason.
From a philosophical point of view, a method call is a contract to some degree between the caller and the called. Since the compiler enforces the types of parameters that are passed in, it seems symmetrical to let it enforce...
How do I implement interfaces in python?
...ts a specific interface, and you can use ABC's for that too by subclassing from them. Another way is zope.interface, a module that is a part of the Zope Component Architecture, a really awesomely cool component framework. Here you don't subclass from the interfaces, but instead mark classes (or even...
Find and Replace Inside a Text File from a Bash Command
...nvoke sed to do an in-place edit due to the -i option. This can be called from bash.
If you really really want to use just bash, then the following can work:
while read a; do
echo ${a//abc/XYZ}
done < /tmp/file.txt > /tmp/file.txt.t
mv /tmp/file.txt{.t,}
This loops over each line, doi...