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Best database field type for a URL

I need to store a url in a MySQL table. What's the best practice for defining a field that will hold a URL with an undetermined length? ...
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What does the “yield” keyword do?

What is the use of the yield keyword in Python, and what does it do? 42 Answers 42 ...
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How do I find out which DOM element has the focus?

... Use document.activeElement, it is supported in all major browsers. Previously, if you were trying to find out what form field has focus, you could not. To emulate detection within older browsers, add a "focus" event handler to all fields and record the last-focu...
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Usage of __slots__?

..., with the expected results: faster attribute access. space savings in memory. The space savings is from Storing value references in slots instead of __dict__. Denying __dict__ and __weakref__ creation if parent classes deny them and you declare __slots__. Quick Caveats Small caveat, you should ...
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How to define optional methods in Swift protocol?

Is it possible in Swift? If not then is there a workaround to do it? 19 Answers 19 ...
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Disable, but not uninstall Resharper 4.x onwards

Any ideas on how to disable, but not uninstall Resharper 4.x or above? 10 Answers 10 ...
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Reading settings from app.config or web.config in .NET

I'm working on a C# class library that needs to be able to read settings from the web.config or app.config file (depending on whether the DLL is referenced from an ASP.NET web application or a Windows Forms application). ...
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Bash script and /bin/bash^M: bad interpreter: No such file or directory [duplicate]

I'm learning through this tutorial to learn bash scripts to automate a few tasks for me. I'm connecting to a server using putty. ...
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Regular Expressions and negating a whole character group [duplicate]

...e tried using [^ab] , [^(ab)] , etc. to match strings containing no 'a's or 'b's, or only 'a's or only 'b's or 'ba' but not match on 'ab'. The examples I gave won't match 'ab' it's true but they also won't match 'a' alone and I need them to. Is there some simple way to do this? ...
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Replace String in all files in Eclipse

...oot of that list, 4.- Select Replace All... 5.- Input the text to replace for. 6.- Done ..... thank You.. – RickMx Jul 23 '11 at 17:54 ...