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What is the difference between required and ng-required?
What is the difference between required and ng-required (form validation)?
3 Answers
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What is the difference between is_a and instanceof?
I am aware that instanceof is an operator and that is_a is a method.
9 Answers
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Is the list of Python reserved words and builtins available in a library?
Is the list of Python reserved words and builtins available in a library? I want to do something like:
1 Answer
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When should I use Lazy?
...e cost.
Usually this is preferable when the object may or may not be used and the cost of constructing it is non-trivial.
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Performance of Java matrix math libraries? [closed]
...ults are as follows.
Using multithreaded ATLAS with C/C++, Octave, Python and R, the time taken was around 4 seconds.
Using Jama with Java, the time taken was 50 seconds.
Using Colt and Parallel Colt with Java, the time taken was 150 seconds!
Using JBLAS with Java, the time taken was again aroun...
bower init - difference between amd, es6, globals and node
...ikely globals is the right answer for you.
Either way, you need to understand:
what is and why AMD
what is a nodejs module
what is ecmascript 6 and especially es6 modules
[UPDATE]
This feature was introduced very recently in bower and is not documented at all yet (AFAIK). It essentially descri...
Select by partial string from a pandas DataFrame
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Update: vectorized string methods (i.e., Series.str) are available in pandas 0.8.1 and up.
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What's the point of having pointers in Go?
...ences (with appropriate const or mutable qualifiers). Now we have pointers and for some built-in types like maps and channels implicit pass by reference.
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How do you represent a JSON array of strings?
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I'll elaborate a bit more on ChrisR awesome answer and bring images from his awesome reference.
A valid JSON always starts with either curly braces { or square brackets [, nothing else.
{ will start an object:
{ "key": value, "another key": value }
Hint: although javascrip...
How to get root access on Android emulator?
I have All Android SDK versions(from 1.5 to 2.3.3), and I tried many methods for getting root in Android emulator. I don't use any Android device and test everything on emulator(AVD).
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