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Setting an object to null vs Dispose()
...tringBuilder are already eligible
// for garbage collection here!
int y = 10;
DoSomething(y);
// These aren't helping at all!
x = null;
sb = null;
// Assume that x and sb aren't used here
The one time where it may be worth setting a local variable to null is when you're in a loop, and some branc...
How do I select the parent form based on which submit button is clicked?
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edited Nov 22 '08 at 18:15
answered Nov 22 '08 at 18:09
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How to print full stack trace in exception?
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Klesun
6,40844 gold badges3232 silver badges3434 bronze badges
answered Nov 24 '10 at 23:55
JustinJustin
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How to select a node using XPath if sibling node has a specific value?
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answered Jun 11 '13 at 10:47
Jens EratJens Erat
32.5k1515 gold badges6868 silver badges8686 bronze badges
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How to optimize imports automatically after each save in IntelliJ IDEA
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edited Dec 4 '15 at 10:19
Oliv
8,18111 gold badge4040 silver badges6565 bronze badges
answered Jul ...
How to round an average to 2 decimal places in PostgreSQL?
...For example:
regress=> SELECT to_char(float8 '3.1415927', 'FM999999999.00');
to_char
---------------
3.14
(1 row)
to_char will round numbers for you as part of formatting. The FM prefix tells to_char that you don't want any padding with leading spaces.
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What exactly do the Vagrant commands do?
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kenorb
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answered Jul 11 '12 at 21:23
pyfuncpyfunc...
Removing projects in Sublime Text 2 and 3
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edited Apr 21 '17 at 22:03
answered Aug 1 '12 at 3:03
Val...
Joda-Time: what's the difference between Period, Interval and Duration?
... zone. Specific times are defined e.g. this might be the interval between 20:00:00GMT yesterday and 09:00:00GMT this morning.
A duration in Joda-Time represents a duration of time measured in milliseconds. The duration is often obtained from an interval. i.e. we can subtract start from end of an in...
How to check whether a file or directory exists?
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190
// exists returns whether the given file or directory exists
func exists(path string) (bool, err...