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When should I use a NoSQL database instead of a relational database? Is it okay to use both on the s
...n oriented data stores. It's proven and suitable for 99% of the real world applications. You can practically do anything with relational databases.
But, there are limitations on speed and scaling when it comes to massive high availability data stores. For example, Google and Amazon have terabytes o...
ActiveMQ or RabbitMQ or ZeroMQ or [closed]
... a wider view on the topic.
These 3 messaging technologies have different approaches on building distributed systems :
RabbitMQ is one of the leading implementation of the AMQP protocol (along with Apache Qpid). Therefore, it implements a broker architecture, meaning that messages are queued on a ...
Android: ProgressDialog.show() crashes with getApplicationContext
I can't seem to grasp why this is happening. This code:
18 Answers
18
...
Yellow fade effect with JQuery
...,
"opacity": ".7",
"z-index": "9999999"
}).appendTo('body').fadeOut(1000).queue(function () { $(this).remove(); });
});
}
Optional:
Use the following code if you also want to match the border-radius of the element:
jQuery.fn.highlight = function () {
$(this...
Shortest way to print current year in a website
... of the page contents with just the date year.
For this scenario, you can append a text node to the existing element using the following code:
<div>
©
<span id="copyright">
<script>document.getElementById('copyright').appendChild(document.createTextNode(n...
Find mouse position relative to element
I want to make a little painting app using canvas. So I need to find the mouse's position on the canvas.
23 Answers
...
Difference between thread's context class loader and normal classloader
...e named class), the library that does the reflection should always ask the application which class loader to use, by receiving the ClassLoader as a parameter from the application. The application (which knows all the classes that need constructing) should pass it getClass().getClassLoader().
Any ot...
Memcached vs. Redis? [closed]
We're using a Ruby web-app with Redis server for caching. Is there a point to test Memcached instead?
17 Answers
...
Creating a copy of a database in PostgreSQL [closed]
...
Yes, the same caveats apply to this command, as to explicit CREATE DATABASE invocation. Like the comments for Bell's answer above say, the database should be idle.
– zbyszek
Apr 13 '12 at 15:50
...
Android: How to create a Dialog without a title?
...ertDialog.Builder builder;
AlertDialog alertDialog;
Context mContext = getApplicationContext();
LayoutInflater inflater = (LayoutInflater)
mContext.getSystemService(LAYOUT_INFLATER_SERVICE);
View layout = inflater.inflate(R.layout.custom_dialog,
(ViewGroup) findViewById(R.id.layout_...