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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...
Why doesn't String switch statement support a null case?
...m.ordinal(). The [...] ordinals start at zero.
That means, mapping null to 0 wouldn't be a good idea. A switch on the first enum value would be indistinguishible from null. Maybe it would've been a good idea to start counting the ordinals for enums at 1. However it hasn't been defined like that, and...
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...
Git clone without .git directory
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220
Use
git clone --depth=1 --branch=master git://someserver/somerepo dirformynewrepo
rm -rf ./dir...
what is the preferred way to mutate a React state?
...].
– Sophie Alpert
May 31 '14 at 21:00
2
As much as I appreciate the idea behind immutability hel...
find filenames NOT ending in specific extensions on Unix?
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answered Aug 27 '09 at 16:09
HardyHardy
16.6k33 gold badges4444 silver badges6161 bronze badges
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What is the meaning of “__attribute__((packed, aligned(4))) ”
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160
Before answering, I would like to give you some data from Wiki
Data structure alignment is th...
How to set the font style to bold, italic and underlined in an Android TextView?
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Jan 7 '11 at 7:59
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How to get a Color from hexadecimal Color String
I'd like to use a color from an hexa string such as "#FFFF0000" to (say) change the background color of a Layout.
Color.HSVToColor looks like a winner but it takes a float[] as a parameter.
...
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...