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Getting the IP address of the current machine using Java
... the destination for Send/Recv, discards all packets from other addresses, and - which is what we use - transfers the socket into "connected" state, settings its appropriate fields. This includes checking the existence of the route to the destination according to the system's routing table and setti...
Navigation bar show/hide
...pp with a navigation bar consisting of 2 bar buttons. I would like to hide and show this navigation bar when a user double taps the screen.
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How do I close all open tabs at once?
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Shortest/simplest/fastest way would be:
:qa
To save work in all tabs and quit:
:wqa
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Simulator slow-motion animations are now on?
...as experimenting, trying to see if i could get navigation items to animate and scroll between each other.
11 Answers
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How to listen for a WebView finishing loading a URL?
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Extend WebViewClient and call onPageFinished() as follows:
mWebView.setWebViewClient(new WebViewClient() {
public void onPageFinished(WebView view, String url) {
// do your stuff here
}
});
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Vertical (rotated) label in Android
I need 2 ways of showing vertical label in Android:
10 Answers
10
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Check if directory mounted with bash
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Running the mount command without arguments will tell you the current mounts. From a shell script, you can check for the mount point with grep and an if-statement:
if mount | grep /mnt/md0 > /dev/null; then
echo "yay"
else
echo "nay"
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The $.param( ) inverse function in JavaScript / jQuery
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You should use jQuery BBQ's deparam function. It's well-tested and documented.
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How to make an immutable object in Python?
...butes can be accessed via [0] etc., but at least it's considerably shorter and provides the additional advantage of being compatible with pickle and copy.
namedtuple creates a type similar to what I described in this answer, i.e. derived from tuple and using __slots__. It is available in Python 2....
MySQL DROP all tables, ignoring foreign keys
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I found the generated set of drop statements useful, and recommend these tweaks:
Limit the generated drops to your database like this:
SELECT concat('DROP TABLE IF EXISTS `', table_name, '`;')
FROM information_schema.tables
WHERE table_schema = 'MyDatabaseName';
Note 1:...