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Best way to convert strings to symbols in hash
...
In Ruby >= 2.5 (docs) you can use:
my_hash.transform_keys(&:to_sym)
Using older Ruby version? Here is a one-liner that will copy the hash into a new one with the keys symbolized:
my_hash = my_hash.inject({}){|memo,(k,v)| memo[k.to_sy...
What is an API key? [closed]
...somewhat limited experience, the public/private distinction has nothing to do with public key crypto. The "public" keys I've seen are typically "access lite" -- in other words, a key you can distribute to grant third parties access to non-sensitive data, without giving away the keys to the kingdom....
ggplot2 plot without axes, legends, etc
I want to use bioconductor's hexbin (which I can do) to generate a plot that fills the entire (png) display region - no axes, no labels, no background, no nuthin'.
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Validating parameters to a Bash script
...^[0-9]+$' || die "Numeric argument required, $1 provided"
while read dir
do
[ -d "$dir" ] || die "Directory $dir does not exist"
rm -rf "$dir"
done <<EOF
~/myfolder1/$1/anotherfolder
~/myfolder2/$1/yetanotherfolder
~/myfolder3/$1/thisisafolder
EOF
edit: I missed the part about ch...
What does the tilde before a function name mean in C#?
...nalize method performs the operations that a standard C++ destructor would do. In C#, you don't name it Finalize -- you use the C++ destructor syntax of placing a tilde ( ~ ) symbol before the name of the class.
Dispose
It is preferable to dispose of objects in a Close() or Dispose() method that ...
Prevent body scrolling but allow overlay scrolling
...-hidden="false"] { display: block; }
Javascript (vanilla-JS)
var body = document.body,
overlay = document.querySelector('.overlay'),
overlayBtts = document.querySelectorAll('button[class$="overlay"]');
[].forEach.call(overlayBtts, function(btt) {
btt.addEventListener('click', function...
What is the instanceof operator in JavaScript?
...just JavaScript. However, with JavaScript when you declare a variable you don't explicitly define a type, var x, x could be a number / string / a user defined data type. So what instanceof does is it checks the object to see if it is of the type specified so from above taking the Customer object we...
How to handle click event in Button Column in Datagridview?
I am developing a windows application using C#. I am using DataGridView to display data. I have added a button column in that. I want to know how can I handle click event on that button in DataGridView.
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How to automatically add user account AND password with a Bash script?
I need to have the ability to create user accounts on my Linux (Fedora 10) and automatically assign a password via a bash script(or otherwise, if need be).
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Is jquery a javascript library or framework? [closed]
...ution, whereas jQuery is just a tool to make implementing what you want to do easier.
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