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What's this =! operator? [duplicate]
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That's two operators, = and !, not one. It might be an obfuscated way of writing
a = !b;
if (a) {
// whatever
}
setting a to the logical inverse of b, and testing whether the result is true (or, equivalently, whether b was false).
Or it might be a mist...
Is there an equivalent of 'which' on the Windows command line?
As I sometimes have path problems, where one of my own cmd scripts is hidden (shadowed) by another program (earlier on the path), I would like to be able to find the full path to a program on the Windows command line, given just its name.
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Worst security hole you've seen? [closed]
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Jeff Bezos mentioned that in the very early days of Amazon, you could have a negative quantity of books and Amazon would credit your account (and presumably wait for you to ship it to them). See 0:47 at youtube.com/watch?v=-hxX_Q5CnaA
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How does one get started with procedural generation?
...t for the mathematically squeamish, but that is how procedural content is done.
Shadertoy was created by a procedural genius, Inigo Quilez, a product of the demo scene who works at Pixar. He has some youtube videos (great example) of live coding sessions and I can also recommend these.
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Is there an exponent operator in C#?
...s I found out you can do
4.95E-10;
Just thought I would add this for anyone in a similar situation that I was in.
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How to execute AngularJS controller function on page load?
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On the one hand as @Mark-Rajcok said you can just get away with private inner function:
// at the bottom of your controller
var init = function () {
// check if there is query in url
// and fire search in case its value is no...
How to stop Eclipse formatter from placing all enums on one line
...lass=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49....
Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
...ir /tmp/mysql_orphans
$ mv /var/lib/mysql/table3.ibd /tmp/mysql_orphans/
One caveat though, make sure what ever is causing the problem originally, e.g. long running query, locked table, etc... has been cleared. Otherwise you just end up with another orphaned .ibd file when you try a second time.
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arrayfun can be significantly slower than an explicit loop in matlab. Why?
...ut the computations, instead of using a function in your loop
tic
Soln3 = ones(T, N);
for t = 1:T
for n = 1:N
Soln3(t, n) = 3*x(t, n)^2 + 2*x(t, n) - 1;
end
end
toc
Time to compute on my computer:
Soln1 1.158446 seconds.
Soln2 10.392475 seconds.
Soln3 0.239023 seconds.
Oli ...
When do we have to use copy constructors?
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@Martin: I wanted to make sure it was carved in stone. :P
– GManNickG
Jul 19 '10 at 6:04
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