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Omitting the second expression when using the if-else shorthand
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edited Jul 26 '18 at 16:03
answered Jun 17 '12 at 6:33
aj...
Merge multiple lines (two blocks) in Vim
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+100
You can certainly do all this with a single copy/paste (using block-mode selection), but I'm guessing that's not what you want.
If y...
How can I deploy an iPhone application from Xcode to a real iPhone device?
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answered Oct 30 '08 at 23:48
rpetrichrpetrich
31.6k66 gold badges6262 silver badges8686 bronze badges
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How to convert C# nullable int to int
...if(v1==null)
v2 = default(int);
else
v2 = v1;
Also, as of .NET 4.0, Nullable<T> has a "GetValueOrDefault()" method, which is a null-safe getter that basically performs the null-coalescing shown above, so this works too:
v2 = v1.GetValueOrDefault();
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Google Maps V3 - How to calculate the zoom level for a given bounds
...same fraction of the width of the map (the angle difference in degrees / 360). At zoom zero, the whole world map is 256x256 pixels, and zooming each level doubles both width and height. So after a little algebra we can calculate the zoom as follows, provided we know the map's width in pixels. Note t...
Convert int to string?
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edited Mar 14 at 1:20
answered Jun 21 '10 at 3:15
Ant...
Are arrays passed by value or passed by reference in Java? [duplicate]
... should read them.
http://publib.boulder.ibm.com/infocenter/comphelp/v8v101/topic/com.ibm.xlcpp8a.doc/language/ref/cplr233.htm
http://www.cs.fsu.edu/~myers/c++/notes/references.html
Related SO question:
Is Java "pass-by-reference" or "pass-by-value"?
Historical background:
The phrase "pass-...
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...
Difference between Mutable objects and Immutable objects [duplicate]
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edited Jan 31 '18 at 10:00
Ojonugwa Jude Ochalifu
22.8k2525 gold badges9797 silver badges118118 bronze badges
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CSS Image size, how to fill, not stretch?
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410
If you want to use the image as a CSS background, there is an elegant solution. Simply use cover...