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Django - Circular model import issue
...tax: apps.get_model('your_app_name.YourModel') convenient for use in a map etc.
– Taylor Edmiston
Feb 13 '17 at 4:45
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Why is there no std::stou?
...st does is sheer performance; I believe iostreams lose out against strtoul etc. by a considerable margin.
– Kerrek SB
Jan 3 '12 at 18:31
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What does java.lang.Thread.interrupt() do?
...ead is interrupted before it blocks on Object.wait(..) or Thread.sleep(..) etc., this is equivalent to it being interrupted immediately upon blocking on that method, as the following example shows.
public class InterruptTest {
public static void main(String[] args) {
Thread.currentThre...
Double not (!!) operator in PHP
...for any true value (numbers other than zero, non-empty strings and arrays, etc.) you will get the boolean value TRUE, and for any false value (0, 0.0, NULL, empty strings or empty arrays) you will get the boolean value FALSE.
It is functionally equivalent to a cast to boolean:
return (bool)$row;
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How to add a footer to a UITableView in Storyboard
...an then drag subviews such as labels and buttons there, adjust the height, etc.
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Run an OLS regression with Pandas Data Frame
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for other sklearn modules (decision tree, etc), I've used df['colname'].values, but that didn't work for this.
– szeitlin
Apr 29 '15 at 23:50
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What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
...defined and called. This can require lots of gymnastics like self = this;, etc., to access or manipulate this from one function inside another function. For more info on this topic, see the explanation and examples in the Mozilla documentation.
Example Code
Example (also from the docs):
var a = [
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Null or default comparison of generic argument in C#
...ll match:
null for classes
null (empty) for Nullable<T>
zero/false/etc for other structs
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Maven2 property that indicates the parent directory
...t.dir.name
You can then use ${main.basedir} in any of the other plugins, etc. Took me a while to figure this out, so hope it helps someone else.
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
...in L2 (i.e when you access matice2[0, 0], matice2[1, 0], matice2[2, 0] ... etc, nothing gets evicted) than there is no problem with cache misses with matice2 either.
Now to go deeper in how caches works, if byte address of your variable is X, than the cache line for it would be (X >> 6) &...