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How to check if a file is a valid image file?
...dard Pillow or 40 MBytes/sec with Pillow-SIMD module (modern 2.5Ghz x86_64 CPU).
For the other formats psd,xcf,.. you can use Imagemagick wrapper Wand, the code is as follows:
im = wand.image.Image(filename=filename)
temp = im.flip;
im.close()
But, from my experiments Wand does not detect trunca...
How to get index in Handlebars each helper?
...l 29 '13 at 21:10
Fabrício Matté
63.8k2222 gold badges114114 silver badges156156 bronze badges
answered Jan 1 '13 at 19:56
...
Why is UICollectionViewCell's outlet nil?
...as down voted. This was the answer to my problem.
– Félix Simões
Jun 24 '15 at 9:17
1
This is t...
How to remove css property in jQuery
...ect If they are assigned to a class or similar.
– José Carlos
Sep 25 '16 at 22:09
15
If you need...
Benchmarking small code samples in C#, can this implementation be improved?
...he unexpected. For example - "How do the two code snippets work under high CPU load/network usage/disk thrashing/etc." They're great for basic logic checks to see if a particular algorithm works significantly faster than another. But to properly test most code performance you'd have to create a test...
Checking that a List is not empty in Hamcrest
...ed to assertThat(list, hasSize(greaterThan(0)))
– José Andias
Aug 12 '16 at 18:20
add a comm...
How to make a function wait until a callback has been called using node.js
....runNoWait(). That could avoid some problems with blocking, but takes 100% CPU.)
Note that this approach kind of invalidates the whole purpose of Nodejs, i.e. to have everything async and non-blocking. Also, it could increase your callstack depth a lot, so you might end up with stack overflows. If ...
PHP page redirect [duplicate]
...another answer. Anything new to add to the topic?
– Félix Gagnon-Grenier
Jul 4 '15 at 15:30
add a comment
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When to use volatile with multi threading?
...weakly-ordered memory might be a problem for this use-case: all real-world CPUs have coherent shared memory so volatile will work for this on real C++ implementations. But still don't do it.
Some discussion in comments seems to be talking about other use-cases where you would need something strong...
Cannot drop database because it is currently in use
...his is the most intuitive solution. Thank you.
– André Pena
Jan 14 '16 at 18:05
I did it, and then used drop database...