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What is the difference between ELF files and bin files?
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answered Mar 11 '10 at 17:30
t0mm13bt0mm13b
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Compare two DataFrames and output their differences side-by-side
... rows are empty*:
In [21]: ne = (df1 != df2).any(1)
In [22]: ne
Out[22]:
0 False
1 True
2 True
dtype: bool
Then we can see which entries have changed:
In [23]: ne_stacked = (df1 != df2).stack()
In [24]: changed = ne_stacked[ne_stacked]
In [25]: changed.index.names = ['id', 'col']
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Difference between fold and reduce?
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answered Jan 29 '12 at 19:08
LeeLee
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How to store CGRect values in NSMutableArray?
...eArray mutableArray];
[array addObject:[NSValue valueWithCGRect:CGRectMake(0,0,10,10)]];
CGRect someRect = [[array objectAtIndex:0] CGRectValue];
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how to make a specific text on TextView BOLD
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390
Just build your String in HTML and set it:
String sourceString = "<b>" + id + "</b>...
How to include (source) R script in other scripts
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edited Sep 11 '15 at 8:03
Roman
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answered Jun ...
How do I show an open file in eclipse Package Explorer?
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answered Jun 13 '11 at 18:08
Konstantin KomissarchikKonstantin Komissarchik
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What is difference between instantiating an object using new vs. without
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The line:
Time t (12, 0, 0);
... allocates a variable of type Time in local scope, generally on the stack, which will be destroyed when its scope ends.
By contrast:
Time* t = new Time(12, 0, 0);
... allocates a block of memory by calling eit...
How to use timeit module
...random
random.seed('slartibartfast')
s = [random.random() for i in range(1000)]
timsort = list.sort
'''
>>> print min(timeit.Timer('a=s[:]; timsort(a)', setup=setup).repeat(7, 1000))
0.334147930145
Note that the series of statements makes a fresh copy of the unsorted data on every pass....
Sort hash by key, return hash in Ruby
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