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Enabling ProGuard in Eclipse for Android

The new documentation on ProGuard for Android says to add a line to the default.properties file in the project home directory. However, on opening this file, I read at the top: ...
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Variable length (Dynamic) Arrays in Java

I was wondering how to initialise an integer array such that it's size and values change through out the execution of my program, any suggestions? ...
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Good geometry library in python? [closed]

I am looking for a good and well developed library for geometrical manipulations and evaluations in python, like: 8 Answers...
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Is there a minlength validation attribute in HTML5?

... If you enters an invalid input and you're using setCustomValidity, then it will continue to show you the error message even after you corrected the input. You can use the following onchange method to counter this. oninvalid="this.setCustomValidity('Field m...
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Openstreetmap: embedding map in webpage (like Google Maps)

...an example at http://wiki.openstreetmap.org/wiki/OpenLayers_Simple_Example and something more advanced at http://wiki.openstreetmap.org/wiki/OpenLayers_Marker and http://wiki.openstreetmap.org/wiki/Openlayers_POI_layer_example ...
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Creating an API for mobile applications - Authentication and Authorization

...he initial/primary purpose will be for consumption by mobile apps (iPhone, Android, Symbian, etc). I've been looking into different mechanisms for authentication and authorization for web-based APIs (by studying other implementations). I've got my head wrapped around most of the fundamental concep...
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Detecting 'stealth' web-crawlers

... examined web server logs for excessive activity from any given IP address and issued firewall rules to block offenders. It included whitelists of IP addresses/ranges based on http://www.iplists.com/, which were then updated automatically as needed by checking claimed user-agent strings and, if the...
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How do I perform an IF…THEN in an SQL SELECT?

... The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server. SELECT CAST( CASE WHEN Obsolete = 'N' or InStock = 'Y' THEN 1 ELSE 0 END AS bit) as Saleable,...
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Convert HH:MM:SS string to seconds only in javascript

...perator to convert numeric string to number is not a good idea. It's short and looks "clever", but it's confusing and not clean code. Use parseInt(x, 10) instead. And avoid one-liner. Also prevent errors by undefined input. For example: it's not a string, has no ":" or only "HH:MM". etc. ...
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Generate a random alphanumeric string in Cocoa

I want to call a method, pass it the length and have it generate a random alphanumeric string. 20 Answers ...