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What are bitwise operators?
... to the right until it's at the bottom, then mask off the remaining higher-order bits:
Int Alpha = Color >> 24
Int Red = Color >> 16 & 0xFF
Int Green = Color >> 8 & 0xFF
Int Blue = Color & 0xFF
0xFF is the same as 11111111. So essentially, for Red, you would be doin...
Rounded table corners CSS only
...s to work fine in FF and Chrome (haven't tested any others) with separate borders: http://jsfiddle.net/7veZQ/3/
Edit: Here's a relatively clean implementation of your sketch:
table {
border-collapse:separate;
border:solid black 1px;
border-radius:6px;
-moz-border-radius:6p...
How do you merge two Git repositories?
...low-unrelated-histories
Update: Added --tags as suggested by @jstadler in order to keep tags.
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How to hide command output in Bash
...mp;-:
/your/first/command >&- 2>&-
Be careful to note the order: >&- closes stdout, which is what you want to do; &>- redirects stdout and stderr to a file named - (hyphen), which is not what what you want to do. It'll look the same at first, but the latter creates a s...
How to append something to an array?
... be called with multiple arguments, which will be appended to the array in order. For example:
var arr = ['first'];
arr.push('second', 'third');
console.log(arr);
As a result of this you can use push.apply to append an array to another array like so:
var arr = ['first'];
arr.push...
Should I instantiate instance variables on declaration or in the constructor?
...r the class. The initialization code is inserted into a constructor in the order it appears in the source code, which means that a field initializer can use the initial values of fields declared before it.
Additionally, you might want to lazily initialize your field. In cases when initializing a f...
How to deserialize a list using GSON or another JSON library in Java?
... etc. If you call them an UnsupportedOperationException will be thrown.
In order to get real ArrayList instance you need to write something like this:
List<Video> = new ArrayList<>(Arrays.asList(videoArray));
s...
Bootstrap: Open Another Modal in Modal
...ed in Bootstrap 3. For modals to stack as expected, you need to have them ordered in your Html markup from lowest to highest.
$(document).on('hidden.bs.modal', function (event) {
if ($('.modal:visible').length) {
$('body').addClass('modal-open');
}
});
UPDATE: When you have ...
setNeedsLayout vs. setNeedsUpdateConstraints and layoutIfNeeded vs updateConstraintsIfNeeded
...y call setNeedsUpdateConstraint to modify constraints in the process.
In order to call updateConstraints you need to do the following:
[view setNeedsUpdateConstraints];
[view setNeedsLayout];
[view layoutIfNeeded];
shar...
How to duplicate a git repository? (without forking)
...ps://help.github.com/articles/duplicating-a-repository
Short version:
In order to make an exact duplicate, you need to perform both a bare-clone and a mirror-push:
mkdir foo; cd foo
# move to a scratch dir
git clone --bare https://github.com/exampleuser/old-repository.git
# Make a bare clone of...