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What are all the common undefined behaviours that a C++ programmer should know about? [closed]
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edited Jun 20 at 9:12
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How to create a drop-down list?
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– Nicolas Tyler
Aug 6 '13 at 7:00
@MartinezToni this in this example is referring to the activity. But yes you do...
How to establish a connection pool in JDBC?
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If you need a standalone connection pool, my preference goes to C3P0 over DBCP (that I've menti...
How to add property to a class dynamically?
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340
I suppose I should expand this answer, now that I'm older and wiser and know what's going on. B...
Iterating through a list in reverse order in java
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edited Jan 20 '10 at 15:54
answered Jan 20 '10 at 15:34
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Optimising Android application before release [closed]
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+100
At some point you are going to get to the point where using known tricks will hit their limits. The best thing to do at this point is...
How can I use pointers in Java?
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edited Feb 3 '15 at 14:50
Barracuda
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answered No...
Difference between null and empty (“”) Java String
... can still invoke methods or functions on it like
a.length()
a.substring(0, 1)
and so on.
If the String equals null, like b, Java would throw a NullPointerException if you tried invoking, say:
b.length()
If the difference you are wondering about is == versus equals, it's this:
== compares ...
Removing duplicate rows in Notepad++
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answered Oct 18 '10 at 10:46
Colin PickardColin Pickard
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