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Base64 Decoding in iOS 7+
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edited Jun 1 '18 at 12:08
Cœur
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How can I obtain an 'unbalanced' grid of ggplots?
...as in
p = rectGrob()
grid.arrange(p, arrangeGrob(p,p,p, heights=c(3/4, 1/4, 1/4), ncol=1),
ncol=2)
Edit (07/2015): with v>2.0.0 you can use the layout_matrix argument,
grid.arrange(p,p,p,p, layout_matrix = cbind(c(1,1,1), c(2,3,4)))
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Run Cron job every N minutes plus offset
...-59/20 * * * *
Explanation
An * in the minute field is the same as 0-59/1 where 0-59 is the range and 1 is the step. The command will run at the first minute in the range (0), then at all successive minutes that are distant from the first by step (1), until the last (59).
Which is why */20 * * *...
Sending multipart/formdata with jQuery.ajax
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14 Answers
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Check if a string matches a regex in Bash script
...]] && echo "yes"
Or more a accurate test:
[[ $date =~ ^[0-9]{4}(0[1-9]|1[0-2])(0[1-9]|[1-2][0-9]|3[0-1])$ ]] && echo "yes"
# |^^^^^^^^ ^^^^^^ ^^^^^^ ^^^^^^ ^^^^^^^^^^ ^^^^^^ |
# | | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ |
# | | | ...
How can I add a help method to a shell script?
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177
here's an example for bash:
usage="$(basename "$0") [-h] [-s n] -- program to calculate the an...
PHP regular expressions: No ending delimiter '^' found in
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162
PHP regex strings need delimiters. Try:
$numpattern="/^([0-9]+)$/";
Also, note that you hav...
PHP code to remove everything but numbers
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281
Try this:
preg_replace('/[^0-9]/', '', '604-619-5135');
preg_replace uses PCREs which general...