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What are the applications of binary trees?
...n many languages' libraries.
Binary Space Partition - Used in almost every 3D video game to determine what objects need to be rendered.
Binary Tries - Used in almost every high-bandwidth router for storing router-tables.
Hash Trees - used in p2p programs and specialized image-signatures in which a h...
How to build & install GLFW 3 and use it in a Linux project
... link
http://glad.dav1d.de/#profile=core&specification=gl&api=gl%3D3.3&api=gles1%3Dnone&api=gles2%3Dnone&api=glsc2%3Dnone&language=c&loader=on
and then click on the "Generate" button at the bottom right corner of the website and download the zip file. Extract it and co...
Generating an MD5 checksum of a file
...'md5sum', filename]) 0.0332629680634
$ time md5sum /tmp/test.data.300k
d3fe3d5d4c2460b5daacc30c6efbc77f /tmp/test.data.300k
real 0m0.043s
user 0m0.032s
sys 0m0.010s
$ stat -c '%s' /tmp/test.data.300k
11890400
So, looks like both Python and /usr/bin/md5sum take about 30ms for an 11MB fi...
What are Vertex Array Objects?
... is an array of equal length. The most important member contains points in 3D space ("vertices"). Other members contain auxillary data ("attributes") about those points, such as color and normal. Really annoying how tutorials just tell you to copy and paste code without explaining what the code is c...
vertical-align with Bootstrap 3
...form-center-parent {
position: relative;
transform-style: preserve-3d;
}
.transform-center {
position: relative;
top: 50%;
transform: translateY(-50%);
}
Display inline method:
.display-inline-block {
display: inline;
}
.display-inline-block > div {
display: inline...
Effects of changing Django's SECRET_KEY
...secret_key; print(get_random_secret_key())"
s!)5@5s79sp=92a+!f4v!1g0d0+64ln3d$xm1f_7=749ht&-zi
$ ./manage.py shell -c "from django.core.management.utils import get_random_secret_key; print(get_random_secret_key())"
_)+%kymd=f^8o_fea1*yro7atz3w+5(t2/lm2cz70*e$2mn\g3
$
...
How can I pair socks from a pile efficiently?
... pattern. Why a rectangle? Because we need O(1) random-access to piles. (A 3D cuboid would also work, but that is not very practical.)
Update:
What about parallelism? Can multiple humans match the socks faster?
The simplest parallelization strategy is to have multiple workers take from the inp...
mongoose vs mongodb (nodejs modules/extensions), which better? and why?
...issing features, give Mongolian DeadBeef a try: https://github.com/marcello3d/node-mongolian
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docker mounting volumes on host
...2b5e0f2d37cd:/tmp# exit
exit
$ docker commit volume nacyot/volume
835cfe3d8d159622507ba3256bb1c0b0d6e7c1419ae32751ad0f925c40378945
nacyot $ docker run -it nacyot/volume
root@dbe335c7e64d:/# cd /data
root@dbe335c7e64d:/data# ls
root@dbe335c7e64d:/data# cd /tmp
root@dbe335c7e64d:/tmp# ls
1 2 3 4...
How to style a checkbox using CSS
...
.myinput[type="checkbox"]:not(:disabled):hover:before {
border-color: #3D7591;
}
/* Large checkboxes */
.myinput.large {
height: 22px;
width: 22px;
}
.myinput.large[type="checkbox"]:before {
width: 20px;
height: 20px;
}
.myinput.large[type="checkbox"]:after {
top: -20...