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How can I check if a Perl array contains a particular value?
I am trying to figure out a way of checking for the existence of a value in an array without iterating through the array.
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Is Java Regex Thread Safe?
... Instances of the Matcher class are not safe for such use.
If you are looking at performance centric code, attempt to reset the Matcher instance using the reset() method, instead of creating new instances. This would reset the state of the Matcher instance, making it usable for the next regex oper...
Generic List - moving an item within the list
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I know you said "generic list" but you didn't specify that you needed to use the List(T) class so here is a shot at something different.
The ObservableCollection(T) class has a Move method that does exactly what you want.
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MySQL Error 1215: Cannot add foreign key constraint
...erything I've found has said to either set the db engine to Innodb or to make sure the keys I'm trying to use as a foreign key are primary keys in their own tables. I have done both of these things, if I'm not mistaken. Any other help you guys could offer?
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What is the difference between loose coupling and tight coupling in the object oriented paradigm?
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JonathanJonathan
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Set keyboard caret position in html textbox
Does anybody know how to move the keyboard caret in a textbox to a particular position?
9 Answers
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Is it possible dynamically to add String to String.xml in Android?
...l number. You can format the string with arguments from your application like this:
Resources res = getResources();
String text = String.format(res.getString(R.string.welcome_messages), username, mailCount);
Basic Usage
Note that getString has an overload that uses the string as a format string...
When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
I know that the compiler will sometimes initialize memory with certain patterns such as 0xCD and 0xDD . What I want to know is when and why this happens.
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No Multiline Lambda in Python: Why not?
...clash syntactically with the other syntax constructs in Python. I was thinking about this on the bus today and realized I couldn't think of a single Python construct that multiline lambdas clash with. Given that I know the language pretty well, this surprised me.
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How to shut down the computer from C#
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Works starting with windows XP, not available in win 2000 or lower:
This is the quickest way to do it:
Process.Start("shutdown","/s /t 0");
Otherwise use P/Invoke or WMI like others have said.
Edit: how to avoid creatin...