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What do people find difficult about C pointers? [closed]
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answered Oct 26 '10 at 17:30
jkerianjkerian
14.5k22 gold badges3939 silver badges5252 bronze badges
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compareTo() vs. equals()
... colleague of mine recently told me had been taught to use compareTo() == 0 instead of equals() . This feels unnatural (as compareTo() is meant to provide an ordering and not compare for equality) and even somewhat dangerous (because compareTo() == 0 does not necessarily imply equality in all...
How to Customize a Progress Bar In Android
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306
Customizing a ProgressBar requires defining the attribute or properties for the background and ...
How to determine the current shell I'm working on
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804
There are three approaches to finding the name of the current shell's executable:
Please note...
How to empty (“truncate”) a file on linux that already exists and is protected in someway?
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answered Mar 11 '10 at 7:45
R Samuel KlatchkoR Samuel Klatchko
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HTML5: number input type that takes only integers?
...n achieve with HTML only (documentation):
<input type="number" min="0" step="1"/>
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How to open existing project in Eclipse
..."AVD" ...
– Fattie
Nov 23 '13 at 18:08
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I tried this but it still tried to run a project that I ...
Virtual Serial Port for Linux
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answered Sep 16 '08 at 16:56
apenwarrapenwarr
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Is the != check thread safe?
...n a != a;
}
may produce true. This is the bytecode for test()
ALOAD 0
GETFIELD test/Test1.a : Ljava/lang/Object;
ALOAD 0
GETFIELD test/Test1.a : Ljava/lang/Object;
IF_ACMPEQ L1
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as we can see it loads field a to local vars twice, it's a non-atomic operation, if a was cha...
How to use the TextWatcher class in Android?
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