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Difference between del, remove and pop on lists
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1423
The effects of the three different methods to remove an element from a list:
remove removes th...
Eclipse does not highlight matching variables
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446
Try:
window > preferences > java > editor > mark occurrences
Select all option...
Is there an eval() function in Java? [duplicate]
...ngine engine = manager.getEngineByName("js");
Object result = engine.eval("4*5");
There may be a better way, but this one works.
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How to stop C# console applications from closing automatically? [duplicate]
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edited Oct 14 '13 at 18:39
Smi
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answe...
How to remove newlines from beginning and end of a string?
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CrozinCrozin
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When would anyone use a union? Is it a remnant from the C-only days?
I have learned but don't really get unions. Every C or C++ text I go through introduces them (sometimes in passing), but they tend to give very few practical examples of why or where to use them. When would unions be useful in a modern (or even legacy) case? My only two guesses would be programming ...
Ruby: require vs require_relative - best practice to workaround running in both Ruby =1.
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64
A workaround for this was just added to the 'aws' gem so thought I'd share as it was inspired by...
Creating an array of objects in Java
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This is correct.
A[] a = new A[4];
...creates 4 A references, similar to doing this:
A a1;
A a2;
A a3;
A a4;
Now you couldn't do a1.someMethod() without allocating a1 like this:
a1 = new A();
Similarly, with the array you need to do this:
a[0] = n...
Get array of object's keys
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adiga
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answered Jan 6 '12 at 19:19
RaynosRaynos
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