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How to gracefully handle the SIGKILL signal in Java
... event, such as user logoff or system shutdown.
I tried the following test program on OSX 10.6.3 and on kill -9 it did NOT run the shutdown hook, as expected. On a kill -15 it DOES run the shutdown hook every time.
public class TestShutdownHook
{
public static void main(String[] args) thro...
Detect viewport orientation, if orientation is Portrait display alert message advising user of instr
...("(orientation: landscape)").matches) {
// you're in LANDSCAPE mode
}
Tested on iPad 2.
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String length in bytes in JavaScript
...yWeatherVN you wrong ユーザーコード length in bytes is always 21, I tested it on differents tools; be more kindly with your comments ;)
– Capitex
Jul 8 at 21:12
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Differences between lodash and underscore [closed]
...support, deep clone, and deep merge), more thorough documentation and unit tests (tests which run in Node, Ringo, Rhino, Narwhal, PhantomJS, and browsers), better overall performance and optimizations for large arrays/object iteration, and more flexibility with custom builds and template pre-compila...
CSS @media print issues with background-color;
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@MarcoBettiolo doesn't seem to work on the latest webkit builds, !important does however
– Hedde van der Heide
May 14 '15 at 9:38
2
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addEventListener vs onclick
...ne, meaning right in the HTML code. You've probably seen this:
<a id="testing" href="#" onclick="alert('did stuff inline');">Click me</a>
Most experienced developers shun this method, but it does get the job done; it is simple and direct. You may not use closures or anonymous functio...
How do I run Python code from Sublime Text 2?
... the reference to Python in path.
[cmd: [u'python', u'-u', u'C:\\scripts\\test.py']]
[path: ...;C:\Python27 32bit;...]
The point is that it tries to run python via command line, the cmd looks like:
python -u C:\scripts\test.py
If you can't run python from cmd, Sublime Text can't too.
(Try it your...
SQL error “ORA-01722: invalid number”
...
Well it also can be :
SELECT t.col1, t.col2, ('test' + t.col3) as test_col3
FROM table t;
where for concatenation in oracle is used the operator || not +.
In this case you get : ORA-01722: invalid number ...
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Sleep until a specific time/date
...%86400 ))
under lighter shells like ash or dash.
Pure bash way, no fork!!
Tested under MacOS!
I wrote one two little functions: sleepUntil and sleepUntilHires
Syntax:
sleepUntil [-q] <HH[:MM[:SS]]> [more days]
-q Quiet: don't print sleep computed argument
HH Hours (minima...
Run a Docker image as a container
...you didn't specify tag_name it will automatically run an image with the 'latest' tag.
Instead of image_name, you can also specify an image ID (no tag_name).
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