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What does @: (at symbol colon) mean in a Makefile?

...happens won't emit echo this always happens this always happens Now, the action part of a rule can be any shell command, including :. Bash help explains this as well as anywhere: $ help : :: : Null command. No effect; the command does nothing. Exit Status: Always succe...
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Getting LaTeX into R Plots

... What is the situation now? I think it has improved with R 3.1.1 little. – Léo Léopold Hertz 준영 Oct 30 '16 at 10:09 a...
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Bash empty array expansion with `set -u`

..., Bash 4.4 fixed the situation; you don't need to use this pattern if you know your script will only run on 4.4+, but many systems are still on earlier versions. – dimo414 May 9 at 22:28 ...
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Why does C# forbid generic attribute types?

...sible, but without reason. I conceptually understand your answer. Do you know of any more official documentation on the issue? – Bryan Watts Nov 16 '08 at 19:21 2 ...
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Linux command to print directory structure in the form of a tree

...g' -e 's/─/├/' -e '$s/├/└/' This is much like the output of tree now: . ├─pkcs11 ├─pki ├───ca-trust ├─────extracted ├───────java ├───────openssl ├───────pem ├─────source ├───────anchors...
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How to write LaTeX in IPython Notebook?

...doing, found a better solution with some more searching, IPython notebooks now have a %%latex magic that makes the whole cell Latex without the $$ wrapper for each line. Refer notebook tour for Rich Display System share ...
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MVC (Laravel) where to add logic

...ever, I have balanced the pros vs cons of using the Repository Pattern and now I use it. I think that now, at this very moment, I will only need to use MySQL. But, if three years from now I need to change to something like MongoDB most of the work is done. All at the expense of one extra interface a...
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Cleaner way to do a null check in C#? [duplicate]

... Console.WriteLine(new BusinessCalculator().CalculateCents()); } } Now, if you make either of the above changes, you only have to refactor one more piece of code, the BusinessCalculator.CalculateCents() method. You've also eliminated BusinessController's dependency on BusinessData. Your c...
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Laravel migration: unique key is too long, even if specified

...RT may not work. sudo systemctl stop mysqld sudo systemctl start mysqld Now you have Laravel 5.x with UTF8 support. share | improve this answer | follow | ...
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Apache not starting on MAMP Pro

... Im facing the same issue now in OS X El Captain , i have upgraded to 3.0.7.3 but still cant run apache. Can anyone hel me . thanks – Delavega Oct 5 '15 at 4:47 ...