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How to convert an ArrayList containing Integers to primitive int array?
...r> integers)
{
int[] ret = new int[integers.size()];
for (int i=0; i < ret.length; i++)
{
ret[i] = integers.get(i).intValue();
}
return ret;
}
(Note that this will throw a NullPointerException if either integers or any element within it is null.)
EDIT: As per com...
Using ls to list directories and their total sizes
...
1607
Try something like:
du -sh *
short version of:
du --summarize --human-readable *
Explanat...
Referring to the null object in Python
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1670
In Python, the 'null' object is the singleton None.
The best way to check things for "Noneness"...
How can I strip first and last double quotes?
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190
If the quotes you want to strip are always going to be "first and last" as you said, then you co...
Completely uninstall PostgreSQL 9.0.4 from Mac OSX Lion?
...jor differences. I'm running Lion and I'm trying to uninstall PostgreSQL 9.0.4. I've looked at the last question and the link that it referenced, but I did not find a file called "uninstall-postgresql" when I run this command:
...
Map vs Object in JavaScript
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edited Aug 30 '13 at 21:59
answered Aug 30 '13 at 21:53
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Why use pointers? [closed]
..."Second char is: %c", a[1]);
Index 1 since the array starts with element 0. :-)
Or you could equally do this
printf("Second char is: %c", *(a+1));
The pointer operator (the *) is needed since we are telling printf that we want to print a character. Without the *, the character representation o...
How do I check if a type provides a parameterless constructor?
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170
The Type class is reflection. You can do:
Type theType = myobject.GetType(); // if you have an ...
Why would you use an ivar?
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100
Encapsulation
If the ivar is private, the other parts of the program can't get at it as easily....
Dynamic validation and name in a form with AngularJS
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answered Jan 17 '13 at 13:04
Ben LeshBen Lesh
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