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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 ...
Decimal separator comma (',') with numberDecimal inputType in EditText
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105
A workaround (until Google fix this bug) is to use an EditText with android:inputType="numberDe...
Android RelativeLayout programmatically Set “centerInParent”
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401
Completely untested, but this should work:
View positiveButton = findViewById(R.id.positiveBut...
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>
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Get application version name using adb
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arbuzarbuz
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Making text background transparent but not text itself
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170
Don't use opacity for this, set the background to an RGBA-value instead to only make the backgro...
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...
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
...