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What is array to pointer decay?
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phoebusphoebus
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Why are quaternions used for rotations?
...ns versus a 3x3 rotation matrix, the quaternion has the advantage in size (4 scalars vs. 9) and speed (quaternion multiplication is much faster than 3x3 matrix multiplication).
Note that all of these representations of rotations are used in practice. Euler angles use the least memory; matrices use ...
How can I get a java.io.InputStream from a java.lang.String?
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edited Jul 29 '13 at 14:15
Yaakov Belch
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answered Jan 2 '13...
Difference between $.ajax() and $.get() and $.load()
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244
$.ajax() is the most configurable one, where you get fine grained control over HTTP headers and...
AWS S3: how do I see how much disk space is using
...|LastWriteTime|^$|--)" | awk 'BEGIN {total=0}{total+=$3}END{print total/1024/1024" MB"}'
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Check OS version in Swift?
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405
For iOS, try:
var systemVersion = UIDevice.current.systemVersion
For OS X, try:
var s...
What is the scope of variables in JavaScript?
...le named x (unlike it would have done with var), and so integers 0 through 4 are printed.:
for(let x = 0; x < 5; ++x) {
setTimeout(() => console.log(x)) // `let` declarations are re-declared on a per-iteration basis, so the closures capture different variables
}
console.log(typeof x) /...
How can I convert a datetime object to milliseconds since epoch (unix time) in Python?
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484
It appears to me that the simplest way to do this is
import datetime
epoch = datetime.dateti...
How to find what code is run by a button or element in Chrome using Developer Tools
...enough dedication and time, you can find any event handler/function
4. Explanation
I don't have the exact answer, or explanation as to why jQuery goes through the many layers of abstractions it does - all I can suggest is that it is because of the job it does to abstract away its usage from ...
Is there a native jQuery function to switch elements?
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234
I've found an interesting way to solve this using only jQuery:
$("#element1").before($("#elemen...