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How do I know if a generator is empty from the start?

Is there a simple way of testing if the generator has no items, like peek , hasNext , isEmpty , something along those lines? ...
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What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and be

...ems that many projects slowly come upon a need to do matrix math, and fall into the trap of first building some vector classes and slowly adding in functionality until they get caught building a half-assed custom linear algebra library, and depending on it. ...
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Why does Eclipse Java Package Explorer show question mark on some classes?

In the Eclipse Helios Java Package Explorer, I see the Java class icons display a small question mark to the right of the 'J', something like [J?]. This icon is shown on each class within one package in my project, but I cannot find an explanation for this in the documentation. ...
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Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF

I have the below error when I execute the following script. What is the error about, and how it can be resolved? 21 Answers...
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Best way to hide a window from the Alt-Tab program switcher?

...en a .NET developer for several years now and this is still one of those things I don't know how to do properly. It's easy to hide a window from the taskbar via a property in both Windows Forms and WPF, but as far as I can tell, this doesn't guarantee (or necessarily even affect) it being hidden fro...
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How do I add a Maven dependency in Eclipse?

I don't know how to use Maven at all. I've been developing for a couple years with Eclipse and haven't yet needed to know about it. However, now I'm looking at some docs that suggest I do the following: ...
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How can I mark “To Do” comments in Xcode?

Currently I'm working on an iOS based Image Manipulation task. 10 Answers 10 ...
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npm install private github repositories by dependency in package.json

I'm trying to install github private repository by npm that includes other private github repositories as dependency. 10 An...
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How to annotate MYSQL autoincrement field with JPA annotations

Straight to the point, problem is saving the object Operator into MySQL DB. Prior to save, I try to select from this table and it works, so is connection to db. ...
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Convert generic List/Enumerable to DataTable?

... Here's a nice 2013 update using FastMember from NuGet: IEnumerable<SomeType> data = ... DataTable table = new DataTable(); using(var reader = ObjectReader.Create(data)) { table.Load(reader); } This uses FastMember's meta-programming API for m...