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Tricks to manage the available memory in an R session
...ies to any language where development incorporates a REPL and a file being edited (i.e. Python). rm(ls=list()) and source() works too, but re-opening is better (packages cleared too).
– Vince
Jun 15 '10 at 5:31
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NSDictionary - Need to check whether dictionary contains key-value pair or not
...or key @\"b\"!");
} else {
NSLog(@"No object set for key @\"b\"");
}
Edit: As to your edited second question, it's simply NSUInteger mCount = [xyz count];. Both of these answers are documented well and easily found in the NSDictionary class reference ([1] [2]).
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Call a function with argument list in python
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edited Feb 24 '18 at 15:18
Sean Breckenridge
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Check if full path given
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edited Feb 17 '16 at 9:39
Martin
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answered Apr 6 '11 at 10:...
Using current time in UTC as default value in PostgreSQL
...l don't trust in my understanding of this "with/without" time zone stuff.
EDIT:
Adding Michael Ekoka's comment here because it clarifies an important point:
Caveat. The question is about generating default timestamp in UTC for
a timestamp column that happens to not store the time zone (perhap...
Why doesn't logcat show anything in my Android?
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edited Oct 10 '14 at 14:25
answered May 31 '10 at 18:31
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Showing commits made directly to a branch, ignoring merges in Git
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edited Jan 2 '19 at 13:42
Joshua Pinter
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Accept function as parameter in PHP
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edited Oct 26 '16 at 19:05
Community♦
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answered May 21 '16 a...
How to convert a PNG image to a SVG? [closed]
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share
edited Jul 12 '13 at 1:04
Eric Wilson
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Why does Path.Combine not properly concatenate filenames that start with Path.DirectorySeparatorChar
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edited Sep 25 '18 at 9:45
answered Sep 9 '08 at 23:16
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