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JavaScript checking for null vs. undefined and difference between == and ===
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+50
How do I check a variable if it's null or undefined...
Is the variable null:
if (a === null)
// or
if (a == null) // but see not...
What's the difference between Application.ThreadException and AppDomain.CurrentDomain.UnhandledExcep
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edited Apr 25 '14 at 7:02
answered Jan 6 '10 at 17:03
Ha...
How is pattern matching in Scala implemented at the bytecode level?
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edited Apr 16 '09 at 3:00
answered Apr 16 '09 at 2:03
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Why can't I initialize non-const static member or static array in class?
...reason a is allowed to be initialized while others are not.
Reference:
C++03 9.4.2 Static data members
§4
If a static data member is of const integral or const enumeration type, its declaration in the class definition can specify a constant-initializer which shall be an integral constant expre...
Unknown provider: $modalProvider
...tstrap']); Also, be sure you are using the latest version of ui-bootstrap (0.6.0), just to be safe.
The error is thrown in version 0.5.0, but updating to 0.6.0 does make the $modal service available. So, update to version 0.6.0 and be sure to require ui.boostrap when registering your module.
Reply...
When serving JavaScript files, is it better to use the application/javascript or application/x-javas
...er the type attribute of the script tag" stackoverflow.com/questions/189850/…
– Marco
Aug 14 '09 at 17:46
6
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Is it possible to use 'else' in a list comprehension? [duplicate]
...e used in comprehension statements:
>>> [a if a else 2 for a in [0,1,0,3]]
[2, 1, 2, 3]
So for your example,
table = ''.join(chr(index) if index in ords_to_keep else replace_with
for index in xrange(15))
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What are the advantages of NumPy over regular Python lists?
... lists -- a list of lists as you describe, in Python, would take at least 20 MB or so, while a NumPy 3D array with single-precision floats in the cells would fit in 4 MB. Access in reading and writing items is also faster with NumPy.
Maybe you don't care that much for just a million cells, but you ...
Can I 'git commit' a file and ignore its content changes?
...pull, it will say:
$ git pull
…
From https://github.com/x/y
72a914a..106a261 master -> origin/master
Updating 72a914a..106a261
error: Your local changes to the following files would be overwritten by merge:
filename.ext
and will refuse to merge.
At that point, you can...
How to make Entity Framework Data Context Readonly
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answered May 3 '12 at 20:38
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