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How do I create directory if none exists using File class in Ruby?
... are not already present:
require 'fileutils'
dirname = File.dirname(some_path)
unless File.directory?(dirname)
FileUtils.mkdir_p(dirname)
end
Edit: Here is a solution using the core libraries only (reimplementing the wheel, not recommended)
dirname = File.dirname(some_path)
tokens = dirname....
How to import an existing X.509 certificate and private key in Java keystore to use in SSL?
...j's 'workaround' link to this 2008 post: cunning.sharp.fm/2008/06/importing_private_keys_into_a.html
– cloudsurfin
Feb 11 '16 at 0:44
2
...
What is an application binary interface (ABI)?
..."calling convention", which is a part of the ABI. en.wikipedia.org/wiki/X86_calling_conventions
– JesperE
Mar 13 '14 at 10:48
4
...
Split a string by another string in C#
....microsoft.com/en-us/dotnet/api/system.string.split?view=netcore-2.0#System_String_Split_System_String_System_StringSplitOptions_
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ASP.NET MVC: Is Controller created for every request?
...ntext, Type controllerType)
{
try
{
return (IController)(_resolverThunk().GetService(controllerType) ?? Activator.CreateInstance(controllerType));
}
The longer version is this (Here's the code from the source from the MvcHandler):
protected internal virtual void ProcessReque...
How do I hide a menu item in the actionbar?
... calling menu.findItem()) and call setVisible() on it. The answers by suhas_sm and by P1r4nh4 present the correct approach.
– Ted Hopp
Jun 24 '14 at 17:33
...
Defining an array of anonymous objects in CoffeeScript
...underscore, variable used to omit not used variables:
a =
items: [
_ =
name: 'value1'
_ =
name: 'value2'
]
console.log JSON.stringify(a) will produce this:
{
"items":[
{
"name":"value1"
},{
"name":"value2"
}
]
}
...
Where is Erlang used and why? [closed]
...
From Programming Erlang:
alt text http://bks8.books.google.com/books?id=Qr_WuvfTSpEC&printsec=frontcover&img=1&zoom=5&sig=ACfU3U2F4YY4KqO0vCuZ4WEZjdE2yFFvvg
Many companies are using Erlang in their production systems:
• Amazon uses Erlang to implement SimpleDB, providing database ...
Check if a string is a date value
... internally provided format:
moment("2015-06-22T13:17:21+0000", moment.ISO_8601, true).isValid(); // true
And you can use multiple formats as an array:
var formats = [
moment.ISO_8601,
"MM/DD/YYYY :) HH*mm*ss"
];
moment("2015-06-22T13:17:21+0000", formats, true).isValid(); // true
mome...
UICollectionView inside a UITableViewCell — dynamic height?
... -
// MARK: UIView functions
override func systemLayoutSizeFitting(_ targetSize: CGSize, withHorizontalFittingPriority horizontalFittingPriority: UILayoutPriority, verticalFittingPriority: UILayoutPriority) -> CGSize {
collectionView.layoutIfNeeded()
let topConstraintCons...