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Test if a vector contains a given element

How to check if a vector contains a given value? 7 Answers 7 ...
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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 ...
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Default string initialization: NULL or Empty? [closed]

I have always initialized my strings to NULL, with the thinking that NULL means the absence of a value and "" or String.Empty is a valid value. I have seen more examples lately of code where String.Empty is considered the default value or represents no value. This strikes me as odd, with the newly...
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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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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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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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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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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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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 6 ...