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Understanding checked vs unchecked exceptions in Java
...eptions are useful - they are used when you want to force the user of your API to think how to handle the exceptional situation (if it is recoverable). It's just that checked exceptions are overused in the Java platform, which makes people hate them.
Here's my extended view on the topic.
As for th...
How to calculate md5 hash of a file using javascript
...in 2009. So what about new browsers?
With a browser that supports the FileAPI, you *can * read the contents of a file - the user has to have selected it, either with an <input> element or drag-and-drop. As of Jan 2013, here's how the major browsers stack up:
FF 3.6 supports FileReader, FF4 ...
Inject errors into already validated form?
... @scompt: thanks, fixed. @Weeble: _errors is part of the public form API, despite its name; see insin's answer for a docs link.
– John Millikin
May 21 '10 at 20:38
18
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What's Up with Logging in Java? [closed]
...
In chronological order of api apperance (as far as I know):
Log4j because most everybody uses it (in my experience)
Commons Logging because open source projects use it (so they can integrate with whatever logging framework is used in the integrated ...
Convert seconds value to hours minutes seconds?
...th with time and date values, you need to stop yourself and find the right API in the language at hand. If you just need a HH:MM:SS-type response, you'll be better off with DateUtils.formatElapsedTime...
– dovetalk
Mar 12 at 21:37
...
Solr vs. ElasticSearch [closed]
...it already linked kimchy's answer to ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage?, which summarizes the reasons why he went ahead and created ElasticSearch, which in his opinion provides a much superior distributed model and ease of use in comparison to Solr.
Ryan Sonnek'...
How do I manage MongoDB connections in a Node.js web application?
...ngoClient } from 'mongodb';
import config from './config';
import usersRestApi from './api/users';
const app = express();
app.use('/api/users', usersRestApi);
app.get('/', (req, res) => {
res.send('Hello World');
});
// Create a MongoDB connection pool and start the application
// after the...
What is WEB-INF used for in a Java EE web application?
...ications come from :
The servlet container (e.g Tomcat) Java Servlet API
Your application domain
The Servlet container requirements
If you use Apache Tomcat, the root directory of your application must be placed in the webapp folder. That may be different if you use another servlet cont...
Launching Google Maps Directions via an intent on Android
...gation:q=an+address+city"));
UPDATE
In May 2017 Google launched the new API for universal, cross-platform Google Maps URLs:
https://developers.google.com/maps/documentation/urls/guide
You can use Intents with the new API as well.
...
how to access iFrame parent page using jquery?
...t load it one task. Also, people seem concerned about JS perf, then use an API on top of JS to do things easily possible (and possibly faster) without the API.
– Grant Wagner
Apr 7 '09 at 18:26
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