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How do I get SUM function in MySQL to return '0' if no values are found?
...table
WHERE ...
To see it in action, please see this sql fiddle: http://www.sqlfiddle.com/#!2/d1542/3/0
More Information:
Given three tables (one with all numbers, one with all nulls, and one with a mixture):
SQL Fiddle
MySQL 5.5.32 Schema Setup:
CREATE TABLE foo
(
id INT NOT NULL AUT...
Facebook Post Link Image
...e aware that each variation of a URL is cached separately on Facebook, so "www.example.com" is not the same as "example.com". Also, unique capitalization is stored as well, so "ExampleOne.com" is not the same as "exampleone.com". (This led to a lot of confusion between my client and myself when it ...
What's the right OAuth 2.0 flow for a mobile app
...h0.com/blog/oauth-2-best-practices-for-native-apps/
Another one is https://www.oauth.com/oauth2-servers/oauth-native-apps/ which states
The current industry best practice is to use the Authorization Flow
while omitting the client secret, and to use an external user agent to
complete the flow. An ex...
how to ignore namespaces with XPath
...dae
<?xml version="1.0" encoding="utf-8"?>
<COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<asset>
<contributor>
<author>Blender User</author>
<authoring_tool...
How to make a HTTP request using Ruby on Rails?
...n use Ruby's Net::HTTP class:
require 'net/http'
url = URI.parse('http://www.example.com/index.html')
req = Net::HTTP::Get.new(url.to_s)
res = Net::HTTP.start(url.host, url.port) {|http|
http.request(req)
}
puts res.body
...
What are best practices for using SmtpClient, SendAsync and Dispose under .NET 4.0
...
thanks! and just for the sake of a brief explanation: www.codefrenzy.net/2012/01/30/how-asynchronous-is-smtpclient-sendasync
– Martín Coll
Sep 15 '14 at 12:29
...
Tips for debugging .htaccess rewrite rules
...er-agent$
#Here is the actual rule I am testing
RewriteCond %{HTTP_HOST} !^www\.domain\.com$ [NC]
RewriteRule ^ http://www.domain.com%{REQUEST_URI} [L,R=302]
If you are using Firefox, you can use the User Agent Switcher to create the fake user agent string and test.
2. Do not use 301 until ...
How do I create a namespace package in Python?
...
That links to this article for the main guts of what's going on:
http://www.siafoo.net/article/77#multiple-distributions-one-virtual-package
The __import__("pkg_resources").declare_namespace(__name__) trick is pretty much drives the management of plugins in TiddlyWeb and thus far seems to be wor...
How to template If-Else structures in data-bound views?
...bservable. Here is a post that I wrote on this topic a while back: http://www.knockmeout.net/2011/03/quick-tip-dynamically-changing.html. In your scenario, it might look like:
<td data-bind="template: $root.getCellTemplate"></td>
<script id="cellEditTmpl" type="text/html">
...
What is & used for
...s equal to & in HTML
I looked over this post someone had made: http://www.webmasterworld.com/forum21/8851.htm
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