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What does “@” mean in Windows batch scripts
I saw @ is used in such contexts:
7 Answers
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Postgres: How to do Composite keys?
I cannot understand the syntax error in creating a composite key. It may be a logic error, because I have tested many varieties.
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What does JVM flag CMSClassUnloadingEnabled actually do?
I cannot for the life of me find a definition of what the Java VM flag CMSClassUnloadingEnabled actually does, other than some very fuzzy high-level definitions such as "gets rid of your PermGen problems" ( which it doesn't , btw).
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HttpServletRequest - how to obtain the referring URL?
I need to log URLs that are linking to my site in a Java Servlet.
4 Answers
4
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Picking a random element from a set
How do I pick a random element from a set?
I'm particularly interested in picking a random element from a
HashSet or a LinkedHashSet, in Java.
Solutions for other languages are also welcome.
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ASP.NET MVC passing an ID in an ActionLink to the controller
I can't see to retrieve an ID I'm sending in a html.ActionLink in my controller, here is what I'm trying to do
5 Answers
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How to vertically align into the center of the content of a div with defined width/height?
What would be the correct method to vertically center any content in a defined width/height div .
4 Answers
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How do I get the value of text input field using JavaScript?
I am working on a search with JavaScript. I would use a form, but it messes up something else on my page. I have this input text field:
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how to compare two elements in jquery [duplicate]
It's always false. How can you compare two elements in jQuery?
6 Answers
6
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How to check if an array field contains a unique value or another array in MongoDB?
I am using mongodb now.
2 Answers
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