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Using Razor within JavaScript
...Use the <text> pseudo-element, as described here, to force the Razor compiler back into content mode:
<script type="text/javascript">
// Some JavaScript code here to display map, etc.
// Now add markers
@foreach (var item in Model) {
<text>
var m...
Test if string is a number in Ruby on Rails
...rt of Rails or 1.8? String.is_a?(Numeric) works. See also stackoverflow.com/questions/2095493/….
– Ross Attrill
Jun 16 '14 at 7:10
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Given two directory trees, how can I find out which files differ by content?
... --brief --recursive dir1/ dir2/ # GNU long options
diff -qr dir1/ dir2/ # common short options
Should do what you need.
If you also want to see differences for files that may not exist in either directory:
diff --brief --recursive --new-file dir1/ dir2/ # GNU long options
diff -qrN dir1/ dir2/ ...
Is it worthwile to learn assembly language? [closed]
...If you ignore the (fair) criticisms of his (irrelevant) libraries, I can recommend it as a good introduction to the language itself -- although for the really interesting stuff you have to hunt out obsessives on the net.
I think it's useful to understand what happens at the lower levels. As you res...
Conveniently Declaring Compile-Time Strings in C++
Being able to create and manipulate strings during compile-time in C++ has several useful applications. Although it is possible to create compile-time strings in C++, the process is very cumbersome, as the string needs to be declared as a variadic sequence of characters, e.g.
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How do I hide .class files from the Open Resource dialog in Eclipse?
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141
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How can I open multiple files using “with open” in Python?
...one time, iff I can write to all of them. I'm wondering if I somehow can combine the multiple open calls with the with statement:
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Running multiple commands with xargs
In the example above, xargs takes echo % as the command argument. But in some cases, I need multiple commands to process the argument instead of one. For example:
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Disable validation of HTML5 form elements
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What is the use case of noop [:] in bash?
...forever'
done
It's traditional to use : when the shell syntax requires a command but you have nothing to do.
while keep_waiting; do
: # busy-wait
done
The : builtin dates all the way back to the Thompson shell, it was present in Unix v6. : was a label indicator for the Thompson shell's goto s...