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Draw text in OpenGL ES
...xture pointer...
gl.glGenTextures(1, textures, 0);
//...and bind it to our array
gl.glBindTexture(GL10.GL_TEXTURE_2D, textures[0]);
//Create Nearest Filtered Texture
gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_NEAREST);
gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_T...
Bash Script: count unique lines in file
...wc:
sort ips.txt | uniq | wc -l
awk '!seen[$0]++' ips.txt | wc -l
Awk's arrays are associative so it may run a little faster than sorting.
Generating text file:
$ for i in {1..100000}; do echo $RANDOM; done > random.txt
$ time sort random.txt | uniq | wc -l
31175
real 0m1.193s
user ...
What is the use of the pipe symbol in YAML?
... it should be 4+ instead of 6+ because the last block-level element is the array item (specified by -) and the literal is indented 4 from it. Somewhat surprisingly the final: | mapping is not considered a block element even though its value is multi-lined. It sort of makes sense if you think about...
How can I get a file's size in C? [duplicate]
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Have you considered not computing the file size and just growing the array if necessary? Here's an example (with error checking ommitted):
#define CHUNK 1024
/* Read the contents of a file into a buffer. Return the size of the file
* and set buf to point to a buffer allocated with malloc...
Is there a way to measure how sorted a list is?
...ckoverflow.com/questions/6523712/… Basically, they amount to sorting the array in order to figure out how many inversions there are.
– Mark Bessey
Jun 8 '13 at 1:54
4
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Worth switching to zsh for casual use? [closed]
... @Mark In this case, "hash" is synonymous with "associative array". bash 4 was released just a few months prior to this answer.
– chepner
Mar 31 '14 at 14:35
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pretty-print JSON using JavaScript
...
Better way.
Prettify JSON Array in Javascript
JSON.stringify(jsonobj,null,'\t')
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Programmatically generate video or animated GIF in Python?
...mated gif from the specified images.
# images should be a list of numpy arrays of PIL images.
# Numpy images of type float should have pixels between 0 and 1.
# Numpy images of other types are expected to have values between 0 and 255.
#images.extend(reversed(images)) #infinit loop will g...
Finding all possible permutations of a given string in python
... for i in range(step, len(string)):
# copy the string (store as array)
string_copy = [character for character in string]
# swap the current index with the step
string_copy[step], string_copy[i] = string_copy[i], string_copy[step]
# recurse on the portion ...
Finding child element of parent pure javascript
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The children property returns an array of elements, like so:
parent = document.querySelector('.parent');
children = parent.children; // [<div class="child1">]
There are alternatives to querySelector, like document.getElementsByClassName('parent')[0]...