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Rspec doesn't see my model Class. uninitialized constant error
...
Your spec_helper file is missing some important commands. Specifically, it's not including config/environment and initializing rspec-rails.
You can add the following lines to the start of your spec/spec_helper.rb file
ENV["RAILS_ENV"] ||= 'test'
require File.expand_path...
How to distinguish between left and right mouse click with jQuery
...ction(e){
e.preventDefault();
//code
return false;
});
Demo: http://jsfiddle.net/maniator/WS9S2/
Or you can make a quick plugin that does the same:
(function( $ ) {
$.fn.rightClick = function(method) {
$(this).bind('contextmenu rightclick', function(e){
e.preventDefaul...
Conditions for automatic generation of default/copy/move ctor and copy/move assignment operator?
...he "Implicitly-declared" sections of the following cppreference entries:
https://en.cppreference.com/w/cpp/language/copy_constructor
https://en.cppreference.com/w/cpp/language/move_constructor
https://en.cppreference.com/w/cpp/language/copy_assignment
https://en.cppreference.com/w/cpp/language/mov...
Difference between TCP and UDP?
...
The Law of Leaky Abstractions
by Joel Spolsky
http://www.joelonsoftware.com/articles/LeakyAbstractions.html
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Is there a way to detach matplotlib plots so that the computation can continue?
...lotlib.pyplot import plot, draw, show
plot([1,2,3])
draw()
print('continue computation')
# at the end call show to ensure window won't close.
show()
Using interactive mode:
from matplotlib.pyplot import plot, ion, show
ion() # enables interactive mode
plot([1,2,3]) # result shows immediatelly (imp...
How to hide output of subprocess in Python 2.7
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
ERROR:'keytool' is not recognized as an internal or external command, operable program or batch file
When i use the command
26 Answers
26
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How can I get the list of files in a directory using C or C++?
...approach like boost(no offence, I like boost!).
The author of the windows compatibility layer is Toni Ronkko. In Unix, it is a standard header.
UPDATE 2017:
In C++17 there is now an official way to list files of your file system: std::filesystem. There is an excellent answer from Shreevardhan bel...
Is there an easy way to add a border to the top and bottom of an Android View?
...<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<item>
<shape
android:shape="rectangle">
<stroke android:width="1dp" android:color="#FF000000" />
<solid android...
Can I protect against SQL injection by escaping single-quote and surrounding user input with single-
...some extent it must always be done.
Some research papers on the subject:
http://www.imperva.com/docs/WP_SQL_Injection_Protection_LK.pdf
http://www.it-docs.net/ddata/4954.pdf (Disclosure, this last one was mine ;) )
https://www.owasp.org/images/d/d4/OWASP_IL_2007_SQL_Smuggling.pdf (based on the pre...