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object==null or null==object?
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This is probably a habit learned from C, to avoid this sort of typo (single = instead of a doub...
If list index exists, do X
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Dimitris Fasarakis Hilliard
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answered Aug 2 '12 at 21:46
JonathanVJonathan...
How to replace strings containing slashes with sed?
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answered May 28 '13 at 11:24
lurkerlurker
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Deep copying an NSArray
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François P.François P.
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How do I keep the screen on in my App? [duplicate]
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Gourneau
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answered Apr 19 '11 at 7:23
Dinesh SharmaDinesh ...
Thread-safe List property
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184
If you are targetting .Net 4 there are a few options in System.Collections.Concurrent Namespace
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How do I allow HTTPS for Apache on localhost?
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edited Apr 2 '14 at 0:07
community wiki
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How can I suppress all output from a command using Bash?
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edited Jun 4 at 13:35
Peter Mortensen
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Environment variable to control java.io.tmpdir?
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edited Jun 4 '15 at 18:48
David Foerster
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How to remove all whitespace from a string?
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## [3] " \t\n\r\v\fx \t\n\r\v\fy \t\n\r\v\f"
## [4] NA
The base R approach: gsub
gsub replaces all instances of a string (fixed = TRUE) or regular expression (fixed = FALSE, the default) with another string. To remove all spaces, use:
gsub(" ", "", x, fixed = TRUE)
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