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Handler vs AsyncTask
...ler is more transparent of the two and probably gives you more freedom; so if you want more control on things you would choose Handler otherwise AsynTask will work just fine.
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Why use the yield keyword, when I could just use an ordinary IEnumerable?
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Don't forget that if the yield return statement never executes, you still get an empty collection result so there's no need to worry about a null reference exception. yield return is awesome with chocolate sprinkles.
– Ra...
Python string.replace regular expression [duplicate]
...ons are cached (docs), so compiling isn't even necessary. But as you show, if one compiles, compile outside the loop.
– alttag
Nov 14 '17 at 22:01
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What is sys.maxint in Python 3?
...As pointed out by others, Python 3's int does not have a maximum size, but if you just need something that's guaranteed to be higher than any other int value, then you can use the float value for Infinity, which you can get with float("inf").
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Undefined reference to static class member
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I just spent a good bit of time figuring out that if the class definition is in a header file, then the allocation of the static variable should be in the implementation file, not the header.
– shanet
Jul 14 '12 at 3:06
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What should every JavaScript programmer know? [closed]
...metimes-ugly details of how JavaScript and the DOM actually work from you. If your aim is to be able to say “I know JavaScript”, then investing a lot of time in a framework is opposed to that.
Here are some JavaScript language features that you should know to grok what it's doing and not get ca...
How can I copy data from one column to another in the same table?
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This will also work if you want to transfer old value to other column and update the first one: UPDATE table SET columnA = 'new value', columnB = columnA. Like other answer says - don't forget the WHERE clause to update only what's needed.
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How to determine the screen width in terms of dp or dip at runtime in Android?
...the layout of the android widgets using dip/dp (in java files). At runtime if I code,
int pixel=this.getWindowManager().getDefaultDisplay().getWidth() ;
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Reference: Comparing PHP's print and echo
What is the difference between PHP's print and echo ?
1 Answer
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Ruby equivalent of virtualenv?
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RVM works closer to how virtualenv works since it lets you sandbox different ruby versions and their gems, etc.
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