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Bash Templating: How to build configuration files from templates with Bash?
...he regex above should be... (\$\{[a-zA-Z_][a-zA-Z_0-9]*\}) stackoverflow.com/questions/304864/…
– Blue Waters
Jun 21 '12 at 7:44
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The Concept of 'Hold space' and 'Pattern space' in sed
... pattern space if you want to do something with it. For example, the print command p prints the pattern space only. Likewise, s operates on the pattern space.
Here is an example:
sed -n '1!G;h;$p'
(the -n option suppresses automatic printing of lines)
There are three commands here: 1!G, h and $...
In Git, what is the difference between origin/master vs origin master?
...eed have a local copy of the remote master branch, why can't I work on and commit and add to it? Or maybe I can, but why is it detached?
– stu
Mar 28 '14 at 14:51
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Find substring in the string in TWIG
... @TobiasOberrauch so did I ; you can also use app.request.pathinfo as comparison :)
– neemzy
Dec 29 '14 at 11:26
7
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Remove duplicated rows using dplyr
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@dotcomken Until then could also just use df %>% group_by(x, y) %>% do(head(.,1))
– Holger Brandl
Jul 23 '14 at 11:53
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Does svn have a `revert-all` command?
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Welcome to SO, and thanks for a thorough answer, as svn revert -R isn't equivalent to the two commands I gave.
– Eric Wilson
Nov 15 '11 at 16:41
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How do I write a bash script to restart a process if it dies?
... it's foo, kills it, starts a new foo.
PID files go stale. You need over-complicated (or should I say, non-trivial) logic to check whether the PID file is stale, and any such logic is again vulnerable to 1..
What if you don't even have write access or are in a read-only environment?
It's pointless...
How can I combine two HashMap objects containing the same types?
...er's question, this is a case the OPer hadn't considered, in which case my comment would hopefully be helpful.
– Michael Scheper
Dec 18 '13 at 23:25
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In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
...answer your own question, it is explicitly encouraged." blog.stackoverflow.com/2011/07/…
– Rick Hanlon II
Jun 16 '13 at 20:33
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