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Java reflection - impact of setAccessible(true)
...53
Bombe
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answered Nov 23 '13 at 9:45
RamChandra ...
Android: Difference between onInterceptTouchEvent and dispatchTouchEvent?
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Supplemental Answer
Here are some visual supplements to the other answers. My full answer is he...
What's the difference between utf8_general_ci and utf8_unicode_ci?
..., utf8 is a flawed UTF-8 implementation from early MySQL versions which remains only for backward compatibility. The fixed version was given the name utf8mb4.
Note: Newer versions of MySQL have updated Unicode sorting rules, available under names such as utf8mb4_0900_ai_ci for equivalent rules based...
What is the rationale for fread/fwrite taking size and count as arguments?
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The difference in fread(buf, 1000, 1, stream) and fread(buf, 1, 1000, stream) is, that in the f...
How to generate a random alpha-numeric string?
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According to RFC4122 using UUID's as tokens is a bad idea: Do not assume that UUIDs are hard to guess; they should not be used as securi...
How do you split a list into evenly sized chunks?
... 55, 56, 57, 58, 59],
[60, 61, 62, 63, 64, 65, 66, 67, 68, 69],
[70, 71, 72, 73, 74]]
If you're using Python 2, you should use xrange() instead of range():
def chunks(lst, n):
"""Yield successive n-sized chunks from lst."""
for i in xrange(0, len(lst), n):
yield lst[i:i + n]
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Should try…catch go inside or outside a loop?
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Performance: as Jeffrey said in his reply, in Java it doesn't make much difference.
Generally,...
How can I get browser to prompt to save password?
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I found a complete solution for this question. (I've tested this in Chrome 27 and Firefox 21).
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What is the difference between JSON and Object Literal Notation?
...10, 20], arr2 = [ 'Yash', 'Sam' ];
var obj = { k: 'v' }, obj2 = { k2: 'v2' };
var fun = function keyFun() {} ;
objLiteral[ arr ] = 'ArrayVal'; objLiteral[ arr2 ] = 'OverridenArrayVal';
objLiteral[ obj ] = 'ObjectVal'; objLiteral[ obj2 ] = 'OverridenObjectVal';
objLiteral[ fun ] = 'Fu...
How to access pandas groupby dataframe by key
...p('foo')
Out[21]:
A B C
0 foo 1.624345 5
2 foo -0.528172 11
4 foo 0.865408 14
Note: This doesn't require creating an intermediary dictionary / copy of every subdataframe for every group, so will be much more memory-efficient that creating the naive dictionary with dict(ite...