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How can I have a newline in a string in sh?
... sign is ignored. If the
string is translated and replaced, the replacement is double-quoted.
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Check if a Bash array contains a value
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This approach has the advantage of not needing to loop over all the elements (at least not explicitly). But since array_to_string_internal() in array.c still loops over array elements and concatenates them into a string, it's probably not more efficient than the looping solutions proposed, but ...
What's the point of 'const' in the Haskell Prelude?
... the monadic bind operator as
x >> y = x >>= const y
It's somewhat neater than using a lambda
x >> y = x >>= \_ -> y
and you can even use it point-free
(>>) = (. const) . (>>=)
although I don't particularly recommend that in this case.
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How do I print a double value without scientific notation using Java?
...\n", dexp);
This uses the format specifier language explained in the documentation.
The default toString() format used in your original code is spelled out here.
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How to loop through an array containing objects and access their properties
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I'm afraid it forEach is not supported in IE 9. Don't blame me! My employer's product gives support to that!
– fatCop
Nov 8 '15 at 9:04
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How to pass the value of a variable to the stdin of a command?
I'm writing a shell script that should be somewhat secure i.e. does not pass secure data through parameters of commands and preferably does not use temporary files. How can I pass a variable to the stdin of a command? Or, if it's not possible, how to correctly use temporary files for such task?
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Custom bullet symbol for elements in that is a regular character, and not an image
I realize one can specify a custom graphic to be a replacement bullet character, using CSS attribute:
15 Answers
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Crontab - Run in directory
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Rather than add a mostly duplicate answer, let me just add that you can choose which shell (if you need bash rather than sh, for example) by setting SHELL in your crontab.
– Edd Steel
Jan 17 '12 at 18:42
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How can I clear scrollback buffer in Tmux?
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This same question has been plaguing me for quite some time. Here's the best I've come up with. Put this into your .tmux.conf file:
bind -n C-k clear-history
This binds ctrl-k to the tmux clear-history command. The -n after bi...
C# Test if user has write access to a folder
...n in another tab but hadn't seen the answer about DirectorySecurity, teach me to read all the answers not just the accepted one;-)
– Chris B
Sep 11 '09 at 10:45
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