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When to use static vs instantiated classes
...onseFactory);
$httpResponse = $httpClient->request();
The main idea is to decouple the dependencies out of your classes. This way the code is much more extensible and, the most important part for me, testable. Why is it more important to be testable? Because I don't always write library ...
Difference between and
...two rows from the XML and added one. That's not a very big difference. The idea with annotations is that it's supposed to remove the XML.
So let's remove the XML definitions and replace them all with annotations:
package com.xxx;
import org.springframework.stereotype.Component;
@Component
public c...
How do I (or can I) SELECT DISTINCT on multiple columns?
...roughly equivalent to:
SELECT a,b,c FROM t GROUP BY a,b,c
It's a good idea to get used to the GROUP BY syntax, as it's more powerful.
For your query, I'd do it like this:
UPDATE sales
SET status='ACTIVE'
WHERE id IN
(
SELECT id
FROM sales S
INNER JOIN
(
SELECT salepr...
How to use Elasticsearch with MongoDB?
...
@Duck5auce do have any idea of how to get the result (the elastic search result) by express.js and display in browser either using jade or ejs template for example like app.get('search="google"',function(req,res){}); and thank you for the wonderfu...
How do you know what to test when writing unit tests? [closed]
...ng.
For a long time I knew it would be good to start doing it but I had no idea how to start and more importantly what to test.
Then we had to rewrite an important piece of code in our accounting program.
This part was very complex as it involved a lot of different scenarios.
The part I'm talking a...
How to change the background color of the options menu?
...ed version of the hack from other answers on this page, also incorporating ideas from these very closely related questions:
Change background color of android menu
How to change the background color of the options menu?
Android: customize application's menu (e.g background color)
http://www.maca...
In Windows Azure: What are web role, worker role and VM role?
...es: The Platform Training kit (mentioned below) will give you lots of good ideas and samples, but here are some straightforward use cases:
You can run any code that exposes a tcp, http, https, or udp endpoint (web applications, SOAP/REST services, etc.). You need to think about the stateless way o...
How do HTML parses work if they're not using regexp?
... Iterating it yourself with lots of custom logic isn't such a great idea. Use a library that supports the standard algorithm if you can. e.g. search.cpan.org/~tobyink/HTML-HTML5-Parser-0.03/lib/HTML/HTML5/… / code.google.com/p/html5lib
– Quentin
Mar 8 ...
SQL Server Script to create a new user
...olemember to assign a prepared role to your login account. This is a good idea - faster and easier than manually granting privileges. If you google it you'll see plenty of links. However, you must still understand the distinction between a login and a user.
...
Generating an Excel file in ASP.NET [closed]
... and I haven't supplied all the called code, but I think it represents the idea well.
Dim uiTable As HtmlTable = GetUiTable(groupedSumData)
Response.Clear()
Response.ContentType = "application/vnd.ms-excel"
Response.AddHeader("Content-Disposition", String.Format("inline; filename=...