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Optimizing away a “while(1);” in C++0x
... Oops, yes, I missed that it might modify non-volatile locals/aliases/whatever which are used in the IO op. So you're right: although it doesn't necessarily follow, there are many cases in which compilers can and do prove that no such modification occurs.
– Steve Jessop
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Execute code when Django starts ONCE only?
...Tried printing simple text in urls.py, but there was absolutely no output. What is happening ?
– Steve K
Dec 21 '12 at 5:37
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How to checkout in Git by date?
... you want only your history and not versions brought in by a merge. That's what you usually want.
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What does the Java assert keyword do, and when should it be used?
What are some real life examples to understand the key role of assertions?
18 Answers
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Apache POI Excel - how to configure columns to be expanded?
...have lots of rows. I had to get a little hacky and do something similar to what was suggested in this question.
– lbstr
Apr 17 '14 at 20:17
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What does numpy.random.seed(0) do?
What does np.random.seed do in the below code from a Scikit-Learn tutorial? I'm not very familiar with NumPy's random state generator stuff, so I'd really appreciate a layman's terms explanation of this.
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What's the difference between String(value) vs value.toString()
... object as a number it should has a .valueOf() function defined in it.
what if we have both in one object?
if we want to treat this object as a string => use .toString()
if we want to treat this object as a number => use .valueOf()
what if we only have .valueOf() defined?
.va...
How does virtual inheritance solve the “diamond” (multiple inheritance) ambiguity?
...le with virtual inheritance)
A
/ \
B C
\ /
D
And not: (What happens without virtual inheritance)
A A
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B C
\ /
D
Virtual inheritance means that there will be only 1 instance of the base A class not 2.
Your type D would have 2 vtable pointers (you can see th...
Starting python debugger automatically on error
...post_mortem(tb) # more "modern"
sys.excepthook = info
Name it debug (or whatever you like) and put it somewhere in your python path.
Now, at the start of your script, just add an import debug.
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C# '@' before a String [duplicate]
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@Mark that link was exactly what I needed - thanks
– Daniel
Feb 2 '11 at 20:23
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