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Is there a way to iterate over a dictionary?
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326
Yes, NSDictionary supports fast enumeration. With Objective-C 2.0, you can do this:
// To prin...
How to implement the --verbose or -v option into a script?
... is already a function (or if you're willing to use print as a function in 2.x using from __future__ import print_function) it's even simpler:
verboseprint = print if verbose else lambda *a, **k: None
This way, the function is defined as a do-nothing if verbose mode is off (using a lambda), inste...
Detach many subdirectories into a new, separate Git repository
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edited May 23 at 18:23
Eugene Yokota
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Is it possible to pull just one file in Git?
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edited Jan 1 '18 at 22:53
Peter Mortensen
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nano error: Error opening terminal: xterm-256color
...urther info here: http://www.cloudfarm.it/fix-error-opening-terminal-xterm-256color-unknown-terminal-type/
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Extract a substring according to a pattern
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243
Here are a few ways:
1) sub
sub(".*:", "", string)
## [1] "E001" "E002" "E003"
2) strsplit
sa...
Overlaying histograms with ggplot2 in R
... graph.
Everything worked fine, but my problem is that you don't see where 2 histograms overlap - they look rather cut off.
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Real world use cases of bitwise operators [closed]
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