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Should I use string.isEmpty() or “”.equals(string)?
...check first to see if they are the same object, then an instanceof, then a cast to String, a length check, and then finally the iteration. If both Strings were empty then it would be just a simple reference check though.
– David Young
Jul 23 '10 at 19:29
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Xcode/Simulator: How to run older iOS version?
...s in your binary you will not be able to run it on anything before iOS 4.0 and it will be rejected if you try and submit a binary like this.
You can still run the simulator from 3.2 onwards after upgrading.
In the iPhone Simulator try selecting Hardware -> Version -> 3.2
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Print a file, skipping the first X lines, in Bash [duplicate]
... Or "tail --lines=+<LinesToSkip> ..." for the readable-commands crowd :-)
– paxdiablo
Mar 3 '09 at 2:34
28
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How can you program if you're blind?
...my answer will be based off these. I use windows xp as my operating system and Jaws to read what appears on the screen to me in synthetic speech. For java programming I use eclipse, since it’s a fully featured IDE that is accessible.
In my experience as a general rule java programs that use SWT ...
How to select all instances of selected region in Sublime Text
Is there a shortcut key or single-step menu option to find and select all instances of a highlighted selection in Sublime Text?
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How to Join to first row
...version here:
select *
from Orders o
cross apply (
select CAST((select l.Description + ','
from LineItems l
where l.OrderID = s.OrderID
for xml path('')) as nvarchar(max)) l
) lines
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Recommended Fonts for Programming? [closed]
What fonts do you use for programming, and for what language/IDE? I use Consolas for all my Visual Studio work, any other recommendations?
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How do I type using my keyboard on the iphone simulator?
...esponding to keystrokes, this fixed it.
Quit the simulator.
Go to finder and press (command+shift+G) then navigate ~/Library/Preferences.
Move com.apple.iphonesimulator.plist to the trash.
Try launching your iPhone app in the simulator again.
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How to Batch Rename Files in a macOS Terminal?
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In your specific case you can use the following bash command (bash is the default shell on macOS):
for f in *.png; do echo mv "$f" "${f/_*_/_}"; done
Note: If there's a chance that your filenames start with -, place -- before them[1]:
mv -- "$f" "${f/_*_/_}"
Note: echo is prep...
Hibernate SessionFactory vs. JPA EntityManagerFactory
...life benefits? JPA is better because it has TypedQuery, stops you from typecasting all over the place.
– Bastian Voigt
Mar 4 '15 at 8:37
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