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How do I check if a number evaluates to infinity?
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You can use isFinite in window, isFinite(123):
You can write a function like:
function isInfinite(num) {
return !isFinite(num);
}
And use like:
isInfinite(null); //false
isInfinite(1); //false
isInfinite(0); //false
isInfinite(0.00); //false
isInfinite(NaN); /...
Can a C++ enum class have methods?
...is not what John Doe would consider a class, too. Yet they can have member functions. And classes are really not mandatory for member functions. Using a designator like value or this, something like enum Size { Huge, Mega, Apocalypse; bool operator<(X rhs) const { return *this < rhs; } (here a...
Using HTML5/Canvas/JavaScript to take in-browser screenshots
... Very cool, Sikuli or Selenium might be good for going to different sites, comparing a shot of the site from the testing tool to your html2canvas.js rendered image in terms of pixel similarity! Wonder if you could automatically traverse parts of the DOM with a very simple formula solver to fi...
Haskell, Lisp, and verbosity [closed]
...:
almost anything you can do with macros you can do with a higher-order function (and I include monads, arrows, etc.), but it might require more thinking (but only the first time, and it's fun and you'll be a better programmer for it), and
the static system is sufficiently general that it never g...
How do I make a textbox that only accepts numbers?
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And just because it's always more fun to do stuff in one line...
private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
{
e.Handled = !char.IsDigit(e.KeyChar) && !char.IsControl(e.KeyChar);
}
NOTE: This DOES NOT prevent...
Horizontal ListView in Android?
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123
As per Android Documentation RecyclerView is the new way to organize the items in listview and...
How do I resolve “HTTP Error 500.19 - Internal Server Error” on IIS7.0 [closed]
...user account you're using for your app pool doesn't have rights to the web site directory, so it can't read config from there. Check the app pool and see what user it is configured to run as. Check the directory and see if that user has appropriate rights to it. While you're at it, check the even...
Git asks for username every time I push
...ential.https://github.com.username <your_username>
This works on a site by site basis and modifies your global git config.
To see the changes, use:
git config --global --edit
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Two color borders
.... Not supporting IE6 may be fine. But not supporting IE7 is ridiculous, no site with a non-technical audience can afford this
– Pekka
Oct 11 '10 at 14:36
6
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Filter dict to contain only certain keys?
...ent (e.g. in a lambda) this is key observation.
– gae123
Jan 27 '16 at 1:11
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