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Multiple left-hand assignment with JavaScript
... this kind of thing ahead of time, you could still break up the definition from the assignment. So: var v1, v2, v3; Then later on: v1 = v2 = v3 = 6; They'll still be in local scope. Since David mentioned alerts, this would work as expected (if pre-var'd): alert(v1 = v2 = v3 = 6);
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What does glLoadIdentity() do in OpenGL?
...rrent state. So for instance, if you call glTranslate, you are translating from the matrix's current 'position', not from the origin. But if you want to start over at the origin, that's when you call glLoadIdentity(), and then you can glTranslate from the matrix which is now located at the origin, o...
Convert string in base64 to image and save on filesystem in Python
...odernizing this example to Python 3, which removed arbitrary codec support from string/bytes .encode() and .decode() functions:
# For both Python 2.7 and Python 3.x
import base64
with open("imageToSave.png", "wb") as fh:
fh.write(base64.decodebytes(img_data))
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CSS Progress Circle [closed]
...imation-name: right-spin;
}
/* Rotate the right side of the progress bar from 0 to 180 degrees */
@-webkit-keyframes right-spin {
from {
-webkit-transform: rotate(0deg);
}
to {
-webkit-transform: rotate(180deg);
}
}
/* Rotate the left side of the progress bar from 0 to 360...
Why does sizeof(x++) not increment x?
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From the C99 Standard (the emphasis is mine)
6.5.3.4/2
The sizeof operator yields the size (in bytes) of its operand, which may be an expression or the parenthesized name of a type. The size is determined from the ty...
Python: How to create a unique file name?
...with two options - File upload and textarea . I need to take the values from each and pass them to another command-line program. I can easily pass the file name with file upload options, but I am not sure how to pass the value of the textarea.
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cleanest way to skip a foreach if array is empty [duplicate]
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Not if initializing from a function/method. $items = get_stuff(). It's easier just to cast and falsy variables return an empty array.
– Keyo
Oct 4 '11 at 22:41
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Fastest method of screen capturing on Windows
...eard about this method a while ago that was said to be faster than reading from the front buffer. Do you honestly do it that way and does it work properly?
– someguy
Feb 28 '11 at 16:54
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How to call one shell script from another shell script?
...script in the first script's process, and pulls in variables and functions from the other script so they are usable from the calling script.
In the second method, if you are using exit in second script, it will exit the first script as well. Which will not happen in first and third methods.
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Plot two histograms on single chart with matplotlib
I created a histogram plot using data from a file and no problem. Now I wanted to superpose data from another file in the same histogram, so I do something like this
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