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For-each over an array in JavaScript
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If the length of the array won't change during the loop, and it's in performance-sensitive code (unlikely), a slightly more complicated version grabbing the length up front might be a tiny bit faster:
var index, len;
var a = ["a", "b", "c"];
for (index = 0, len = a.length; index < len; ...
Are “while(true)” loops so bad? [closed]
...ava for several years now, but I just recently returned to school to get a formal degree. I was quite surprised to learn that, on my last assignment, I lost points for using a loop like the one below.
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PHP: How to remove all non printable characters in a string?
...Hot Tub Time Machine, and you're back in the eighties.
If you've got some form of 8 bit ASCII, then you might want to keep the chars in range 128-255. An easy adjustment - just look for 0-31 and 127
$string = preg_replace('/[\x00-\x1F\x7F]/', '', $string);
UTF-8?
Ah, welcome back to the 21st ce...
Run java jar file on a server as background process
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
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OAuth with Verification in .NET
... 48-pt font
the user now needs to cut/paste that pin into a windows form box, and click "Next" or something similar.
the desktop app then does an oauth-authenticated request for an "Access token". Another REST request.
the desktop app receives the "access token" and "access secret".
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What is the Invariant Culture?
...,
// following code can run on another computer.
nonInvariantCulture.NumberFormat.NumberDecimalSeparator = ",";
decimal parsedDec;
try
{
// This fails because value cannot be parsed.
parsedDec = decimal.Parse(convertedToString);
}
catch (FormatException)
{
}
// However you always can use ...
AngularJS ng-if with multiple conditions
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@CharanCherry Take a look into angular form validation. That way you can set all desired fields ng-required and check for form validity in for example an ng-disabled expression on the submit button. cfr fdietz.github.io/recipes-with-angular-js/using-forms/…
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What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
...ew winner for worst pseudo-operator ever.
Edit: This does appear to be conformant. §8.3.5/3 describes one way to form the parameter list as
parameter-declaration-listopt ...opt
So the double-ellipsis is formed by a parameter-declaration-list ending with a parameter pack, followed by another ...
Ruby: kind_of? vs. instance_of? vs. is_a?
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Yes, they're the same. Duck typing is a form of polymorphism.
– SpaceGhost
Jan 15 '13 at 21:54
3
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How does Go compile so quickly?
...ompiler does not run in a VM. It is still written in C++, primarily for performance reasons.
– blucz
May 20 '11 at 7:04
20
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