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Best way to alphanumeric check in JavaScript
What is the best way to perform an alphanumeric check on an INPUT field in JSP ? I have attached my current code
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How can a Java variable be different from itself?
I am wondering if this question can be solved in Java (I'm new to the language). This is the code:
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What does “Memory allocated at compile time” really mean?
In programming languages like C and C++, people often refer to static and dynamic memory allocation. I understand the concept but the phrase "All memory was allocated (reserved) during compile time" always confuses me.
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Will the Garbage Collector call IDisposable.Dispose for me?
The .NET IDisposable Pattern implies that if you write a finalizer, and implement IDisposable, that your finalizer needs to explicitly call Dispose.
This is logical, and is what I've always done in the rare situations where a finalizer is warranted.
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How to execute a raw update sql with dynamic binding in rails
I want to execute one update raw sql like below:
8 Answers
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How to get unique values in an array
How can I get a list of unique values in an array? Do I always have to use a second array or is there something similar to java's hashmap in JavaScript?
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Entity Framework: One Database, Multiple DbContexts. Is this a bad idea? [closed]
My impression to date has been that a DbContext is meant to represent your database, and thus, if your application uses one database, you'd want only one DbContext .
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What C++ Smart Pointer Implementations are available?
This is a spin-off from a garbage collection thread where what I thought was a simple answer generated a lot of comments about some specific smart pointer implementations so it seemed worth starting a new post.
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Why can Java Collections not directly store Primitives types?
Java collections only store Objects, not primitive types; however we can store the wrapper classes.
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How can I output the value of an enum class in C++11
How can I output the value of an enum class in C++11? In C++03 it's like this:
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