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OpenLayers vs Google Maps? [closed]
I have used Google Maps a couple of times, but what wondering about OpenLayers .
Before starting any kind of coding, here are a couple of questions that come to my mind,
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When to use a Content Provider
I understand that Content Providers are made to allow publicly sharing data between applications. However, I'm wondering if anyone has thoughts about making a Content Provider to use just within your own app. Would there be any advantages to doing this? Any disadvantages?
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How to tell if a string contains a certain character in JavaScript?
I have a page with a textbox where a user is supposed to enter a 24 character (letters and numbers, case insensitive) registration code. I used maxlength to limit the user to entering 24 characters.
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Why is it bad practice to call System.gc()?
After answering a question about how to force-free objects in Java (the guy was clearing a 1.5GB HashMap) with System.gc() , I was told it's bad practice to call System.gc() manually, but the comments were not entirely convincing. In addition, no one seemed to dare to upvote, nor downvote my ...
C++ sorting and keeping track of indexes
Using C++, and hopefully the standard library, I want to sort a sequence of samples in ascending order, but I also want to remember the original indexes of the new samples.
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How to model type-safe enum types?
Scala doesn't have type-safe enum s like Java has. Given a set of related constants, what would be the best way in Scala to represent those constants?
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Understanding events and event handlers in C#
I understand the purpose of events, especially within the context of creating user interfaces. I think this is the prototype for creating an event:
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Reference: mod_rewrite, URL rewriting and “pretty links” explained
"Pretty links" is an often requested topic, but it is rarely fully explained. mod_rewrite is one way to make "pretty links", but it's complex and its syntax is very terse, hard to grok, and the documentation assumes a certain level of proficiency in HTTP. Can someone explain in simple terms how "p...
XPath contains(text(),'some string') doesn't work when used with node with more than one Text subnod
I have a small problem with Xpath contains with dom4j ...
6 Answers
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How to get a random number in Ruby
How do I generate a random number between 0 and n ?
17 Answers
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