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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...
Algorithm to find top 10 search terms
...er ID for each word. Though there is almost infinite possible words on the Internet, but after accumulating a large set of words, the possibility of finding new words becomes lower and lower. We have already found 4 million different words, and assigned a unique ID for each. This whole set of data c...
How do Mockito matchers work?
...you interact with Mockito or a mock, and has to accept matchers without knowing whether they're used immediately or abandoned accidentally. In theory, the stack should always be empty outside of a call to when or verify, but Mockito can't check that automatically.
You can check manually with Mockito...
What is private bytes, virtual bytes, working set?
I am trying to use the perfmon windows utility to debug memory leaks in a process.
4 Answers
...
C++ performance challenge: integer to std::string conversion
...--- 10.230 s
ergosys: 101.42 MB/sec --- 9.860 s
MSVC 2010 64-bit /Ox on Windows 7 64-bit, Core i5
hopman_fun: 127 MB/sec --- 7.874 s
hopman_fast: 259 MB/sec --- 3.861 s
voigt: 221.435 MB/sec --- 4.516 s
user_voigt_timo: 195.695 MB/sec --- 5.110 s
timo: 253.165 MB/sec --- 3.950 s
user: 212....
What's the fastest way to merge/join data.frames in R?
... issue? For example I'm guessing that SEM=Scanning electron microscope? Knowing more about the application makes it more interesting to us and helps us prioritise.
– Matt Dowle
Aug 12 '14 at 12:00
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Reset/remove CSS styles for element only
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The source claims that Internet Explorer doesn't support all.
– Dan Dascalescu
Sep 6 '15 at 7:33
1
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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 the scope of variables in JavaScript?
... browser support.
These are some browsers that don't support let at all :
Internet explorer 10 and below
Firefox 43 and below
Safari 9 and below
Android browser 4 and below
Opera 27 and below
Chome 40 and below
ANY version of Opera Mini & Blackberry Browser
How to keep track of browser sup...
How do you convert a byte array to a hexadecimal string, and vice versa?
... faster than {IEnumerable}.Aggregate, for instance, but BitConverter still wins.
Update (2012-04-03)
Added Mykroft's SoapHexBinary answer to analysis, which took over third place.
Update (2013-01-15)
Added CodesInChaos's byte manipulation answer, which took over first place (by a large margin on...