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Postgres unique constraint vs index
...basic but important issue, so I decided to learn by example.
Let's create test table master with two columns, con_id with unique constraint and ind_id indexed by unique index.
create table master (
con_id integer unique,
ind_id integer
);
create unique index master_unique_idx on master (in...
Getting values from query string in an url using AngularJS $location
...s just stored in the object as true. In this case, the object would be:
{"test_user_bLzgB": true}
You could access this value directly with $location.search().test_user_bLzgB
Example (with larger query string): http://fiddle.jshell.net/TheSharpieOne/yHv2p/4/show/?test_user_bLzgB&somethingEls...
Organizing a multiple-file Go project [closed]
...o structure your project in a go build friendly way, and also how to write tests. Tests do not need to be a cmd using the main package. They can simply be TestX named functions as part of each package, and then go test will discover them.
The structure suggested in that link in your question is a b...
What is Node.js? [closed]
...tting Ruby on Rails/Node.js behind a dedicated webserver (written in C and tested to hell and back) like Nginx (or Apache / Lighttd). The webserver can efficiently serve static content, access logging, rewrite URLs, terminate SSL, enforce access rules, and manage multiple sub-services. For requests ...
What is the “double tilde” (~~) operator in JavaScript? [duplicate]
...hod. They run in about 0.2 microseconds instead of 0.5 microseconds when I test it in Firefox on my computer. That means that you need to use it a lot before it's noticable. In a functon like the one in the OP it's just micro optimisation, and only makes the code harder to follow.
...
is there a css hack for safari only NOT chrome?
...have issues getting something from here working on your site, DO CHECK THE TEST SITE VIA LINKS BELOW> If a hack is working there, but not on your site, the hack is not the issue - there is something else happening with your site, often just a CSS conflict as mentioned below, or perhaps nothing is...
How to get rspec-2 to give the full trace associated with a test failure?
Right now if I run my test suite using rake spec I get an error:
6 Answers
6
...
Pass request headers in a jQuery AJAX GET call
... type: "GET",
beforeSend: function(xhr){xhr.setRequestHeader('X-Test-Header', 'test-value');},
success: function() { alert('Success!' + authHeader); }
});
http://api.jquery.com/jQuery.ajax/
http://www.w3.org/TR/XMLHttpRequest/#the-setrequestheader-method
...
Test if remote TCP port is open from a shell script
I'm looking for a quick and simple method for properly testing if a given TCP port is open on a remote server, from inside a Shell script.
...
Using async/await for multiple tasks
...rovided in the question as well as the accepted answer, so I put it to the test.
Here's the code:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace AsyncTest
{
class Program
{
class Worker
{
...