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Are loops really faster in reverse?
...'re both equally fast.
What takes time in ascending loops is evaluating, for each i, the size of your array. In this loop:
for(var i = array.length; i--;)
You evaluate .length only once, when you declare i, whereas for this loop
for(var i = 1; i <= array.length; i++)
you evaluate .length e...
What's the difference between tilde(~) and caret(^) in package.json?
... will update you to all future patch versions, without incrementing the minor version. ~1.2.3 will use releases from 1.2.3 to <1.3.0.
^version “Compatible with version”, will update you to all future minor/patch versions, without incrementing the major version. ^2.3.4 will use releases from ...
One SVN repository or many?
...iple, unrelated projects, is it a good idea to put them in the same repository?
13 Answers
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In what cases do I use malloc and/or new?
... you call malloc you should call free and when you use the new operator you should pair with delete and it is a mistake to mix the two (e.g. Calling free() on something that was created with the new operator), but I'm not clear on when I should use malloc / free and when I should use ...
Check if a number is int or float
...int!
_EDIT:_
As pointed out, in case of long integers, the above won't work. So you need to do:
>>> x = 12L
>>> import numbers
>>> isinstance(x, numbers.Integral)
True
>>> isinstance(x, int)
False
...
Get size of folder or file
How can I retrieve size of folder or file in Java?
18 Answers
18
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In MySQL what does “Overhead” mean, what is bad about it, and how to fix it?
simple question, but its been nagging me for a while now....
4 Answers
4
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Can every recursion be converted into iteration?
...erative one? Yes, absolutely, and the Church-Turing thesis proves it if memory serves. In lay terms, it states that what is computable by recursive functions is computable by an iterative model (such as the Turing machine) and vice versa. The thesis does not tell you precisely how to do the conversi...
How to use git bisect?
...
The idea behind git bisect is to perform a binary search in the history to find a particular regression. Imagine that you have the following development history:
... --- 0 --- 1 --- 2 --- 3 --- 4* --- 5 --- current
You know that your program is not working pr...
Break or return from Java 8 stream forEach?
When using external iteration over an Iterable we use break or return from enhanced for-each loop as:
13 Answers
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