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How to properly add cross-site request forgery (CSRF) token using PHP
...29 bits of entropy
md5() doesn't add entropy, it just mixes it deterministically
Try this out:
Generating a CSRF Token
PHP 7
session_start();
if (empty($_SESSION['token'])) {
$_SESSION['token'] = bin2hex(random_bytes(32));
}
$token = $_SESSION['token'];
Sidenote: One of my employer's open...
What are the advantages of NumPy over regular Python lists?
...s in reading and writing items is also faster with NumPy.
Maybe you don't care that much for just a million cells, but you definitely would for a billion cells -- neither approach would fit in a 32-bit architecture, but with 64-bit builds NumPy would get away with 4 GB or so, Python alone would nee...
What is the fastest method for selecting descendant elements in jQuery?
...
Method 1 and method 2 are identical with the only difference is that method 1 needs to parse the scope passed and translate it to a call to $parent.find(".child").show();.
Method 4 and Method 5 both need to parse the selector and then just call: $('#paren...
Difference between UTF-8 and UTF-16?
...its, Latin characters with no accents, etc. occupy one byte which is identical to US-ASCII representation. This way all US-ASCII strings become valid UTF-8, which provides decent backwards compatibility in many cases.
No null bytes, which allows to use null-terminated strings, this introduces a grea...
How to have no pagebreak after \include in LaTeX
My LaTeX makes me pagebreaks after each subsection because my subsections are in separate files. I use the command \include{file} which adds a pagebreak after the use of it.
...
Is it considered acceptable to not call Dispose() on a TPL Task object?
...u're doing is using
continuations, that event handle will
never be allocated
...
it's likely better to rely on finalization to take care of things.
Update (Oct 2012)
Stephen Toub has posted a blog titled Do I need to dispose of Tasks? which gives some more detail, and explains the improvem...
How to make CSS width to fill parent?
I am sure this problem has been asked before but I cannot seem to find the answer.
4 Answers
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Why are C# 4 optional parameters defined on interface not enforced on implementing class?
...void TestMethod(bool b = false);
}
class D : B, MyInterface {}
// Legal because D's base class has a public method
// that implements the interface method
How is the author of D supposed to make this work? Are they required in your world to call up the author of B on the phone and ask them to pl...
Is it possible to make relative link to image in a markdown file in a gist?
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thanks! I was frustrated trying to use local images but this worked!
– Sun
Jan 18 '17 at 18:45
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moving changed files to another branch for check-in
... realize I'm not in the proper branch to check in those changes. However I can't switch to another branch without my changes reverting. Is there a way to move changes to another branch to be checked in there?
...