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How do I get the current username in Windows PowerShell?
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Works as expected. Tested for url address reservation.
– Marek Bar
Jul 6 '18 at 8:36
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Use underscore inside Angular controllers
...underscore-module
Add angular-underscore-module.js to your main file (index.html)
<script src="bower_components/angular-underscore-module/angular-underscore-module.js"></script>
Add the module as a dependency in your App definition
var myapp = angular.module('MyApp', ['underscore'])
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Activity has leaked window that was originally added
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ActionBar text color
how can I change the text color of the ActionBar? I've inherited the Holo Light Theme, I'm able to change the background of the ActionBar but I don't find out what is the attribute to tweak to change the text color.
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Rspec doesn't see my model Class. uninitialized constant error
...f your spec/spec_helper.rb file
ENV["RAILS_ENV"] ||= 'test'
require File.expand_path("../../config/environment", __FILE__)
require 'rspec/rails'
require 'rspec/autorun'
or you can just run
rails generate rspec:install
and overwrite your spec_helper with one generated for use with rspec-rails.
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MySQL: #126 - Incorrect key file for table
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Every Time this has happened, it's been a full disk in my experience.
EDIT
It is also worth noting that this can be caused by a full ramdisk when doing things like altering a large table if you have a ramdisk configured. You can temporarily comment out the ramdisk line to allow suc...
&& (AND) and || (OR) in IF statements
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No, it will not be evaluated. And this is very useful. For example, if you need to test whether a String is not null or empty, you can write:
if (str != null && !str.isEmpty()) {
doSomethingWith(str.charAt(0));
}
or, the other way around
if (str == null || str.isEmpty())...
Repeat each row of data.frame the number of times specified in a column
What is the simplest way to expand each row the first two columns of the data.frame above, so that each row is repeated the number of times specified in the column 'freq'?
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Working with huge files in VIM
... up all my memory and then printed an error message :-(. I could not use hexedit for either, as it cannot insert anything, just overwrite. Here is an alternative approach:
You split the file, edit the parts and then recombine it. You still need twice the disk space though.
Grep for something surr...
Renaming files in a folder to sequential numbers
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let a=a+1
done
using the -i flag prevents automatically overwriting existing files.
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