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What are some common uses for Python decorators? [closed]
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I use decorators mainly for timing purposes
def time_dec(func):
def wrapper(*arg):
t = time.clock()
res = func(*arg)
print func.func_name, time.clock()-t
return res
return wrapper
@time_dec
def myFunction(n):
...
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What is the difference between encode/decode?
... it and call any string manipulating function you like.
But there comes a time, when you'd like to print your unicode object to console or into some text file. So you have to encode it (for example - in UTF-8), you call encode('utf-8') and you get a string with '\u<someNumber>' inside, which ...
Significant new inventions in computing since 1980
...ducing colour images accurately; sending messages around the world in real time; distributing audio and video material), and was then expensive because of the equipment and logistics involved, and is now consumer-level. So - what are big corporates doing now that used to be impossible but might be c...
Advantages of std::for_each over for loop
...foo(e);
}
This kind of syntax has been available in Java and C# for some time now, and actually there are way more foreach loops than classical for loops in every recent Java or C# code I saw.
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C++, copy set to vector
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This fails the first time the vector reallocates: the iterator from output.begin() gets invalidated.
– Fred Nurk
Feb 17 '11 at 21:02
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What is the Difference Between Mercurial and Git?
I've been using git for some time now on Windows (with msysGit) and I like the idea of distributed source control. Just recently I've been looking at Mercurial (hg) and it looks interesting. However, I can't wrap my head around the differences between hg and git.
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How do you convert epoch time in C#?
How do you convert Unix epoch time into real time in C#? (Epoch beginning 1/1/1970)
14 Answers
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Shell Script — Get all files modified after
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as simple as:
find . -mtime -1 | xargs tar --no-recursion -czf myfile.tgz
where find . -mtime -1 will select all the files in (recursively) current directory modified day before. you can use fractions, for example:
find . -mtime -1.5 | xargs tar...
Pass mouse events through absolutely-positioned element
...s not supported up to IE 11; all other vendors support it since quite some time (global support was ~92% in 12/'16): http://caniuse.com/#feat=pointer-events (thanks to @s4y for providing the link in the comments).
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Why charset names are not constants?
...e said there wasn't a really particularly great reason, except that at the time, things were still half-baked -- too few JDK APIs had been retrofitted to accept Charset, and of the ones that were, the Charset overloads usually performed slightly worse.
It's sad that it's only in JDK 1.6 that they f...
