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lenses, fclabels, data-accessor - which library for structure access and mutation is better
... putting twice is the same as putting once, or rather, that the second put wins.
put l b1 (put l b2 a) = put l b1 a
Note, that the type system isn't sufficient to check these laws for you, so you need to ensure them yourself no matter what lens implementation you use.
Many of these libraries als...
What does O(log n) mean exactly?
...t's versatile as an example. Plus I got to use robots in my explanation! A win all-around. (Also, it looks like your answer was made before I was even a member on StackOverflow to begin with!)
– John Feminella
Feb 23 '10 at 0:40
...
How to use git bisect?
...he 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 properly at the current revision, and that it was working at the revision 0. So the regression was li...
Java “Virtual Machine” vs. Python “Interpreter” parlance?
...
@S.Lott Because it's always good to win arguments with colleagues. ;)
– Qix - MONICA WAS MISTREATED
Oct 6 '14 at 3:50
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What is in your Mathematica tool bag? [closed]
... of images under these operations, i.e. they're equivalent, using the following
In[3] := SelectEquivalents[ pts, Union[Through[rots[#] ] ]& ] (*<-- Note Union*)
Out[3]:= {{{-1, -1, 0}, {-1, 1, 0}, {1, -1, 0}, {1, 1, 0}},
{{-1, 0, 0}, {0, -1, 0}, {0, 1, 0}, {1, 0, 0}},
{{0...
How do you use bcrypt for hashing passwords in PHP?
... algorithm. You cannot retrieve the plain text password without already knowing the salt, rounds and key (password). [Source]
How to use bcrypt:
Using PHP >= 5.5-DEV
Password hashing functions have now been built directly into PHP >= 5.5. You may now use password_hash() to create a bcrypt h...
What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)
...n investigation to the question of how implementations behave regarding growing arrays: If they implement them the "usual" way, one would see many quick pushes with rare, interspersed slow pushes at which point the implementation copies the internal representation of the array from one buffer to a l...
Mutex example / tutorial? [closed]
...le concurrently, we have potential for a race condition. Consider the following code
//somewhere long ago, we have i declared as int
void my_concurrently_called_function()
{
i++;
}
The internals of this function look so simple. It's only one statement. However, a typical pseudo-assembly languag...
Should I use tag for icons instead of ? [closed]
...t day to learn twitter's bootstrap and it feels bad that they are not following best practices.
– Jashwant
Jun 21 '12 at 9:35
25
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What are the big differences between TFVC (TFS Version Control) and Git for source control when usin
...stupid decisions on a git repository.
A very cool add-on for Git users on Windows is PoSHGit. it provides command autocompletion on the Powershell commandline.
Have you experienced in the VS 2013 GUI for Git? Is that enough to support basic branching/merging without the command line interface?
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