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How do I get a file extension in PHP?
...uilt-in function to do that and not PHP (I am looking at Pythonistas right now :-)).
In fact, it does exist, but few people know it. Meet pathinfo():
$ext = pathinfo($filename, PATHINFO_EXTENSION);
This is fast and built-in. pathinfo() can give you other information, such as canonical path, depe...
Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
... 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) & (L - 1). Where L is total number of cache lines in your cache. L is always power of 2.
The...
Unable to execute dex: Multiple dex files define
I know this question has been asked here a few times before. But i haven't seen any possible solution yet.
Before i make the project 'Run as Android Application' , if i do not clean it, i receive the following error and have to restart Eclipse ... and clean again.
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Check if SQL Connection is Open or Closed
... There is one giant caveats with that: 1) with Local Storage now becoming a thing, sooner or later (already?) web apps that use local storage are going to be using a database in that storage. If not now, they will shortly. The other thing here is, my code probably isn't properly genera...
How to detect internet speed in JavaScript?
...o some extent but won't be really accurate, the idea is load image with a known file size then in its onload event measure how much time passed until that event was triggered, and divide this time in the image file size.
Example can be found here: Calculate speed using javascript
Test case applyin...
How do I create a basic UIButton programmatically?
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i write as it as you defined, now i have defined constant in VC and other parts inside the function
– Xcodian Solangi
Dec 20 '17 at 10:01
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Do I really need to encode '&' as '&'?
... The second case of amp&volt is ambiguous: Is &volt now an entity reference or not?
– Gumbo
Aug 16 '10 at 14:40
7
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Getting back old copy paste behaviour in tmux, with mouse
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I use bind m set-option mouse\; display-message "Mouse is now #{?mouse,on,off}"
– Maxim Suslov
Aug 6 '18 at 10:51
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Call a global variable inside module
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For those who didn't know already, you would have to put the declare statement outside your class just like this:
declare var Chart: any;
@Component({
selector: 'my-component',
templateUrl: './my-component.component.html',
styleUrls: ['./m...
Algorithm to compare two images
...at the minimum) a large human analysed set of test data where matches are known beforehand. If for example in your test data you have 1,000 images where 5% of them match, you now have a reasonably reliable benchmark. An algorithm that finds 10% positives is not as good as one that finds 4% of posi...