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JavaScript replace/regex
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147
You need to double escape any RegExp characters (once for the slash in the string and once for...
Boolean operators && and ||
...an return a vector, like this:
((-2:2) >= 0) & ((-2:2) <= 0)
# [1] FALSE FALSE TRUE FALSE FALSE
The longer form evaluates left to right examining only the first element of each vector, so the above gives
((-2:2) >= 0) && ((-2:2) <= 0)
# [1] FALSE
As the help page says...
Can clearInterval() be called inside setInterval()?
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How to cherry pick from 1 branch to another
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setup cron tab to specific time of during weekdays
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177
Same as you did for hours:
*/2 09-18 * * 1-5 /path_to_script
0 and 7 stand for Sunday
6 sta...
git shallow clone (clone --depth) misses remote branches
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edited May 19 '14 at 18:56
answered May 17 '14 at 11:01
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Why does git revert complain about a missing -m option?
...t would be the tip of unwanted.
In this case you could do:
git revert -m 1 HEAD
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Python OpenCV2 (cv2) wrapper to get image size?
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213
cv2 uses numpy for manipulating images, so the proper and best way to get the size of an image ...
How can I scale an entire web page with CSS?
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185
You might be able to use the CSS zoom property - supported in IE 5.5+, Opera, and Safari 4, an...
How do I negate a test with regular expressions in a bash script?
Using GNU bash (version 4.0.35(1)-release (x86_64-suse-linux-gnu), I would like to negate a test with Regular Expressions. For example, I would like to conditionally add a path to the PATH variable, if the path is not already there, as in:
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