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best practice to generate random token for forgot password
...account)
So, the code will be as follows:
//$length = 78 etc
$token = bin2hex(random_bytes($length));
Update: previous versions of this answer was referring to uniqid() and that is incorrect if there is a matter of security and not only uniqueness. uniqid() is essentially just microtime() with...
How do I convert from int to Long in Java?
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12 Answers
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Where to host an Open Source Project: CodePlex, Google Code, SourceForge? [closed]
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Edit 2015-08-01: This answer is still getting views and votes. It's more than ancient and I'd l...
How does the Windows Command Interpreter (CMD.EXE) parse scripts?
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We performed experiments to investigate the grammar of batch scripts. We also investigated dif...
How do cache lines work?
... command triggers a read or write of a full cache line from memory. (DDR1/2/3/4 SDRAM burst transfer size is configurable up to 64B; CPUs will select the burst transfer size to match their cache line size, but 64B is common)
As a rule of thumb, if the processor can't forecast a memory access (and ...
Test whether string is a valid integer
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edited Sep 19 '16 at 15:23
Ian
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answered Fe...
Get loop count inside a Python FOR loop
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edited Jun 21 '18 at 5:09
answered Jul 1 '10 at 23:02
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What does -> mean in Python function definitions?
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421
It's a function annotation.
In more detail, Python 2.x has docstrings, which allow you to atta...
Is Ruby pass by reference or by value?
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245
In traditional terminology, Ruby is strictly pass-by-value. But that's not really what you're ...
How do I 'git diff' on a certain directory?
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126
Provide a path (myfolder in this case) and just run:
git diff myfolder/
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