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How to easily truncate an array with JavaScript?

Linq has a convenient operator method called Take() to return a given number of elements in anything that implements IEnumerable . Is there anything similar in jQuery for working with arrays? ...
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Doctrine 2 can't use nullable=false in manyToOne relation?

An User has one Package associated with it. Many users can refer to the same package. User cannot exists without a Package defined. User should own the relation. Relation is bidirectional, so a Package has zero or more users in it. ...
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Node.js / Express.js - How does app.router work?

Before I ask about app.router I think I should explain at least what I think happens when working with middleware. To use middleware, the function to use is app.use() . When the middleware is being executed, it will either call the next middleware by using next() or make it so no more middlewar...
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An async/await example that causes a deadlock

I came across some best practices for asynchronous programming using c#'s async / await keywords (I'm new to c# 5.0). 5 A...
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MySQL: What's the difference between float and double?

Checking in the new database structure I saw that someone changed a field from float to double. Wondering why, I checked the mysql documentation, but honestly didn't understand what the difference is. ...
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SOAP server and client application VCL+indy demo for Delphi XE?

Delphi used to include a demos folder for web Services, but no longer seems to include this. 1 Answer ...
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Set UILabel line spacing

How can I modify the gap between lines (line spacing) in a multiline UILabel ? 10 Answers ...
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What does '

What does <?= mean exactly? 8 Answers 8 ...
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When does Java's Thread.sleep throw InterruptedException?

When does Java's Thread.sleep throw InterruptedException? Is it safe to ignore it? I am not doing any multithreading. I just want to wait for a few seconds before retrying some operation. ...
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ModelState.AddModelError - How can I add an error that isn't for a property?

I am checking my database in Create(FooViewModel fvm){...} to see if the fvm.prop1 and fvm.prop2 already exist in that combination; if so, I want to add an error to the modelstate, then return the whole view. I tried: ...