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Analyze audio using Fast Fourier Transform
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209
The array you are showing is the Fourier Transform coefficients of the audio signal. These coef...
Precedence and bitmask operations
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150
You are actually doing this:
var_dump(0b10 & (0b01 == 0));
var_dump(0b10 & (0b01 != 0))...
How to use shared memory with Linux in C
...lains their purpose.
return mmap(NULL, size, protection, visibility, -1, 0);
}
The following is an example program that uses the function defined above to allocate a buffer. The parent process will write a message, fork, and then wait for its child to modify the buffer. Both processes can read a...
How to add leading zeros?
...f digits to begin with, so let's try a harder example of making powers of 10 width 8 too.
anim <- 25499:25504
x <- 10 ^ (0:5)
paste (and it's variant paste0) are often the first string manipulation functions that you come across. They aren't really designed for manipulating numbers, but ...
Android RelativeLayout programmatically Set “centerInParent”
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401
Completely untested, but this should work:
View positiveButton = findViewById(R.id.positiveBut...
Get protocol + host name from URL
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306
You should be able to do it with urlparse (docs: python2, python3):
from urllib.parse import u...
Get application version name using adb
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arbuzarbuz
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Relatively position an element without it taking up space in document flow
...positioned element within that:
<div style="position: relative; width: 0; height: 0">
<div style="position: absolute; left: 100px; top: 100px">
Hi there, I'm 100px offset from where I ought to be, from the top and left.
</div>
</div>
...
How to get a DOM Element from a JQuery Selector
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You can access the raw DOM element with:
$("table").get(0);
or more simply:
$("table")[0];
There isn't actually a lot you need this for however (in my experience). Take your checkbox example:
$(":checkbox").click(function() {
if ($(this).is(":checked")) {
// do stuff
...