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Regular expression to match numbers with or without commas and decimals in text
...t. I've found a few example regex's, which almost solve the problem, but none are perfect yet. The problem I have is that the numbers in my text may or may not have decimals and commas. For example:
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How can I wait for a thread to finish with .NET?
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2. Use a WaitHandle
ManualResetEvent is a WaitHandle as jrista suggested.
One thing to note is if you want to wait for multiple threads: WaitHandle.WaitAll() won't work by default, as it needs an MTA thread. You can get around this by marking your Main() method with MTAThread - however this blocks ...
Python __call__ special method practical example
...alled. However, I have no idea when I can use this special method, because one can simply create a new method and perform the same operation done in __call__ method and instead of calling the instance, you can call the method.
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Singleton with Arguments in Java
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If you only need one instance of a class for an application's entire lifetime, but you need to provide that instance with a value at launch time, why is this no longer a singleton?
– Oscar
Sep 20 '13 at ...
Parse v. TryParse
...nd they are separate implementations with exactly the same code other than one has 'throw ...' and one has 'return false'. I wonder why they aren't consolidated?!
– Greg Beech
Jan 22 '09 at 8:39
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Remove redundant paths from $PATH variable
...he PATH variable is not overwritten later. The easiest way to do that (for one user) is to overwrite it in the user's personal .bashrc, which commonly is located in his home directory.
– hovanessyan
Jul 25 '12 at 13:46
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Difference Between Select and SelectMany
...y flattens queries that return lists of lists. For example
public class PhoneNumber
{
public string Number { get; set; }
}
public class Person
{
public IEnumerable<PhoneNumber> PhoneNumbers { get; set; }
public string Name { get; set; }
}
IEnumerable<Person> people = new L...
When you exit a C application, is the malloc-ed memory automatically freed?
...ecide you want to integrate your small program into a larger, long running one. Then a while later you have to spend hours tracking down memory leaks.
Relying on a feature of an operating system also makes the code less portable.
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How to find the statistical mode?
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One more solution, which works for both numeric & character/factor data:
Mode <- function(x) {
ux <- unique(x)
ux[which.max(tabulate(match(x, ux)))]
}
On my dinky little machine, that can generate & find ...
javascript i++ vs ++i [duplicate]
...script I have seen i++ used in many cases, and I understand that it adds one to the preceding value:
8 Answers
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