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Using “this” with class name
I am doing Android programming and was learning about Intents, when I saw a constructor that, to my C# trained mind, seemed funky. The call was:
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What do the different readystates in m>X m>MLHttpRequest mean, and how can I use them?
what is the difference between ?:, ?! and ?= in regem>x m>?
I searched for the meaning of these em>x m>pressions but couldn't understand the em>x m>act difference between them.
This is what they say:
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How to check if a specific key is present in a hash or not?
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Hash's key? method tells you whether a given key is present or not.
session.key?("user")
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WPF Application that only has a tray icon
I am a total WPF newbie and wonder if anyone could give me some pointers how to write an application that starts minimized to tray. The idea is that it periodically fetches an RSS Feed and creates a Toaster-Popup when there are new feeds.
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Why should Java ThreadLocal variables be static
...Thread - Per Instance", not just a guaranteed "Per Thread." That isn't normally the semantic you're looking for.
Usually it's holding something like objects that are scoped to a User Conversation, Web Request, etc. You don't want them also sub-scoped to the instance of the class.
One web reques...
What is a tracking branch?
Can someone em>x m>plain a "tracking branch" as it applies to git?
4 Answers
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Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate
...ing to do with database constraints itself. As Hibernate is the reference implementation of JSR 303, however, it intelligently picks up on these constraints and translates them into database constraints for you, so you get two for the price of one. @Column(nullable = false) is the JPA way of declari...
RESTful Authentication via Spring
Problem:
We have a Spring MVC-based RESTful API which contains sensitive information. The API should be secured, however sending the user's credentials (user/pass combo) with each request is not desirable. Per REST guidelines (and internal business requirements), the server must remain stateless. ...
What is Castle Windsor, and why should I care?
I'm a long-time Windows developer, having cut my teeth on win32 and early COM. I've been working with .NET since 2001, so I'm pretty fluent in C# and the CLR. I'd never heard of Castle Windsor until I started participating in Stack Overflow. I've read the Castle Windsor "Getting Started" guide, b...