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Capturing multiple line output into a Bash variable
...out, stderr are 0-2, so we can use &3 or higher in bash).
result=""
./test>/tmp/foo
while read line <&3; do
result="$result$line\n"
done 3</tmp/foo
echo -e $result
you can also use mktemp, but this is just a quick code example. Usage for mktemp looks like:
filenamevar=`mkte...
How to “git show” a merge commit with combined diff output even when every changed file agrees with
... <email@email>
Date: Tue Feb 22 00:27:17 2011 +0100
Merge branch 'testing' into master
notice the line:
Merge: fc17405 ee2de56
take those two commit ids and reverse them. so in order get the diff that you want, you would do:
git diff ee2de56..fc17405
to show just the names of the ch...
Installing a local module using npm?
...his is handy for installing your own stuff, so that you can work on it and test it iteratively without having to continually rebuild.
cd ~/projects/node-bloggy # go into the dir of your main project
npm link ../node-redis # link the dir of your dependency
[Edit] As of NPM 2.0, you can decla...
How do you pass a function as a parameter in C?
...rgument is of type int.
I have included an example program below:
// g++ test.cpp --std=c++11
#include <functional>
double Combiner(double a, double b, std::function<double (double,double)> func){
return func(a,b);
}
double Add(double a, double b){
return a+b;
}
double Mult(doub...
How to scale Docker containers in production
...Another related project I recently discovered:
maestro
Update 2
The latest release Openstack contains support for managing Docker containers:
Docker Openstack
Paas zone within OpenStack
Update 3
System for managing Docker instances
Shipyard
And a presentation on how to use tools like P...
What is the best (idiomatic) way to check the type of a Python variable? [duplicate]
...er heavy with theory and quite a lot to consume when the goal is to simply test if something is a dict or string. Is there additional effort to implement ABCs, and (especially for a simple use case) is the added effort worth it?
– Mike S
Jun 12 '15 at 14:52
...
Concat scripts in order with Gulp
...rc="js/vendor/vendor.js"></script>
<script src="js/modules/test.js"></script>
<script src="js/main.js"></script>
In your build directory you will have the reference to main.min.js which will contain vendor.js, test.js, and main.js
...
How to pass an array within a query string?
...
Express.js also supports square bracket notation, tested on 4.13.4.
– Steve Kehlet
Apr 8 '16 at 17:17
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How do I redirect to another webpage?
...REFERER. Otherwise, you can almost always simply use window.location.href.
Testing against HTTP_REFERER (URL pasting, session, etc.) can help tell whether a request is legitimate.
(Note: there are also ways to work-around / spoof these referrers, as noted by droop's link in the comments)
Simple cro...
Java Desktop application: SWT vs. Swing [closed]
...r to "write once, run anywhere". SWT will be more like "write once, tweak/test everywhere". But this same discussion happened with other languages as well.
– Mark
Feb 23 '10 at 22:06
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