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What is Java String interning?

...p://docs.oracle.com/javase/7/docs/api/java/lang/String.html#intern() Basically doing String.intern() on a series of strings will ensure that all strings having same contents share same memory. So if you have list of names where 'john' appears 1000 times, by interning you ensure only one 'john' is a...
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How to ALTER multiple columns at once in SQL Server

.... Each statement means a new scan but if you could alter multiple columns, all altering could have been much quicker – erikkallen Sep 8 '16 at 6:31 ...
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PHP Pass variable to next page

...the method for the form to post if you want to do it via post. Both are equally insecure, although GET is easier to hack. The fact that each new request is, except for session data, a totally new instance of the script caught me when I first started coding in PHP. Once you get used to it, it's quit...
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javac not working in windows command prompt

... ah yes, all i had to do was re-open the command prompt and it worked fine, thanks! – Domenic Nov 5 '09 at 6:02 1 ...
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TypeScript static classes

...hat cannot be subclassed and must contain only static methods. C# does not allow one to define functions outside of classes. In TypeScript this is possible, however. If you're looking for a way to put your functions/methods in a namespace (i.e. not global), you could consider using TypeScript's mod...
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How to Load an Assembly to AppDomain with all references recursively?

...e I wrote to solve this problem: github.com/jduv/AppDomainToolkit. Specifically, look at the LoadAssemblyWithReferences method in this class: github.com/jduv/AppDomainToolkit/blob/master/AppDomainToolkit/… – Jduv Mar 14 '13 at 14:44 ...
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Why is there no xrange function in Python3?

...Some performance measurements, using timeit instead of trying to do it manually with time. First, Apple 2.7.2 64-bit: In [37]: %timeit collections.deque((x for x in xrange(10000000) if x%4 == 0), maxlen=0) 1 loops, best of 3: 1.05 s per loop Now, python.org 3.3.0 64-bit: In [83]: %timeit collec...
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jQuery scroll() detect when user stops scrolling

...vent handler function for one or more events to the selected elements and calls the handler function if the event was not triggered for a given interval. This is useful if you want to fire a callback only after a delay, like the resize event, or such. It is important to check the github-repo for up...
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Open a URL in a new tab (and not a new window)

...e Javascript has nothing to do with how the new tab/window is opened. It's all determined by your browser's settings. Using window.open tells the browser to open something new, then the browser opens up what is chosen in its settings - tab or window. In the browsers you tested with, change the setti...
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How to get a variable name as a string in PHP?

... Actually now that I've tested my code, my code always returned 'var' because it's being used in the function. When I use $GLOBALS instead, it returns the correct variable name for some reason. So I'll change the above code to use...