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How to check a not-defined variable in JavaScript
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1707
In JavaScript, null is an object. There's another value for things that don't exist, undefined....
HTML5 Video Dimensions
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106
<video id="foo" src="foo.mp4"></video>
var vid = document.getElementById("foo");
v...
Spring Boot application as a Service
...yapp.jar /etc/init.d/myapp
OR
sudo ln -s ~/myproject/build/libs/myapp-1.0.jar /etc/init.d/myapp_servicename
After that you can do the usual
/etc/init.d/myapp start
Then setup a link in whichever runlevel you want the app to start/stop in on boot if so desired.
As a systemd service
To ru...
How to output in CLI during execution of PHP Unit tests?
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200
UPDATE
Just realized another way to do this that works much better than the --verbose command ...
Why does Path.Combine not properly concatenate filenames that start with Path.DirectorySeparatorChar
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210
This is kind of a philosophical question (which perhaps only Microsoft can truly answer), since ...
Print the contents of a DIV
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530
Slight changes over earlier version - tested on CHROME
function PrintElem(elem)
{
var mywin...
Check free disk space for current partition in bash
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207
Yes:
df -k .
for the current directory.
df -k /some/dir
if you want to check a specific d...
What is the purpose of the reader monad?
... SecondPlayerWin -> return $ negate color
Tie -> return 0
NotOver -> do possible <- getNext' position
values <- mapM ((liftM negate) . negamax (negate color)) possible
return $ maximum values
This will t...
Mathematical functions in Swift
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answered Jun 3 '14 at 10:25
Tomáš LinhartTomáš Linhart
10.4k44 gold badges4444 silver badges5151 bronze badges
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