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How do you make a web application in Clojure? [closed]
...ly elegant syntax. (It uses Jetty under the hood, but it hides the Servlet API from you unless you want it, which won't be often). Go look at the README at that URL, then download a snapshot and start playing.
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Why is spawning threads in Java EE container discouraged?
...is now a standard, and correct way to create threads with the core Java EE API. By using Concurrency Utils, you ensure that your new thread is created, and managed by the container, guaranteeing that all EE services are available. Examples here and here
– Chris Ritchie
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Regular expression for floating point numbers
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TL;DR
Use [.] instead of \. and [0-9] instead of \d to avoid escaping issues in some languages (like Java).
Thanks to the nameless one for originally recognizing this.
One relatively simple pattern for matching a floating point number is
[+-]?([0-9]*[.])?[0-9]+
This will match:
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Is Java Regex Thread Safe?
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Yes, from the Java API documentation for the Pattern class
Instances of this (Pattern) class are immutable and are safe for use by multiple concurrent threads. Instances of the Matcher class are not safe for such use.
If you are looking at ...
How to get started on TDD with Ruby on Rails? [closed]
...ou write your application code. The cycle is generally write a test for an API that doesn't exist, run the test expecting it to fail, go write your API code, run your test again and make sure it passes. Then write your next test... and so on.
You might also be interested in this Rails guide.
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How to import classes defined in __init__.py
... Helpers in init.py should be for external users to simplify your API.
– Aaron Maenpaa
Feb 24 '09 at 19:31
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Which @NotNull Java annotation should I use?
...3305ecd1b415e2ab1b9ef8a9120b4
javax.validation.constraints from validation-api-1.0.0.GA-sources.jar
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Latest jQuery version on Google's CDN
...vertent web breakage and no longer updates the file at
http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.js. That file
will stay locked at version 1.11.1 as well.
The following, now moot, answer is preserved here for historical reasons.
Don't do this. Seriously, don't.
Linking to major ...
What is the maximum amount of RAM an app can use?
...tedThumbCacheInstance().addBitmap(thumbUri, thumbBytes);
My app targets API 19+ so devices are not old and these portions of available RAM are good enough for cache in my case (1% and 3%).
Fun fact: Android does not have any APIs or other hacks to get the amount of memory allocated to your app, ...
Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]
...e the Mootools framework in the client side :
http://impel.simulacre.org/api/Impel.inTouch
Sencha has also a synchronisation service: Sencha.io. Looks great, but it's dependent of the Sencha Touch framework:
http://www.sencha.com/products/io/
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