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How can I parse a YAML file from a Linux shell script?
...figuration file which is as easy as possible for a non-technical user to edit (unfortunately it has to be a file) and so I wanted to use YAML. I can't find any way of parsing this from a Unix shell script however.
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Difference between return and exit in Bash functions
What is the difference between the return and exit statement in Bash functions with respect to exit codes?
10 Answers
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Get the correct week number of a given date
... of Year format in Microsoft .Net"
Simply put, .Net allow weeks to be split across years while the ISO standard does not.
In the article there is also a simple function to get the correct ISO 8601 week number for the last week of the year.
Update The following method actually returns 1 for 2012-1...
How to determine the memory footprint (size) of a variable?
...didn't work properly.
Other Profiler Options
php-memory-profiler
https://github.com/arnaud-lb/php-memory-profiler. This is what I've done on my Ubuntu server to enable it:
sudo apt-get install libjudy-dev libjudydebian1
sudo pecl install memprof
echo "extension=memprof.so" > /etc/php5/mods-avail...
Defining a variable with or without export
...ss. You would use this for (say) loop variables, temporary variables etc.
It's important to note that exporting a variable doesn't make it available to parent processes. That is, specifying and exporting a variable in a spawned process doesn't make it available in the process that launched it.
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Is AngularJS just for single-page applications (SPAs)?
...t a small piece of that.
You have a large list of features that will benefit you outside of client-side routing:
two-way binding
templating
currency formatting
pluralization
reusable controls
RESTful api handling
AJAX handling
modularization
dependency injection
It's crazy to think that all of ...
Read whole ASCII file into C++ std::string [duplicate]
I need to read a whole file into memory and place it in a C++ std::string .
9 Answers
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Is there a way to measure how sorted a list is?
...nversion of A.
The inversion number of a sequence is one common measure of its sortedness.Formally, the inversion number is defined to be the number of inversions, that is,
To make these definitions clearer, consider the example sequence 9, 5, 7, 6. This sequence has the inversions (0,1), (0,2), (...
How to check that a string is an int, but not a double, etc.?
...eger beforehand, so that I can give a helpful error message to the user if it's wrong. PHP has is_int() , but that returns false for string like "2" .
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Git alias with positional parameters
...most obvious way is to use a shell function:
[alias]
files = "!f() { git diff --name-status \"$1^\" \"$1\"; }; f"
An alias without ! is treated as a Git command; e.g. commit-all = commit -a.
With the !, it's run as its own command in the shell, letting you use stronger magic like this.
UPD...