... My testing seems to show that the Java Derby database v10.13.1.1. similarly allows only one null in a column with a unique index. – chrisinmtown Mar 30 '18 at 14:34 ...

...ter way to achieve this. However, using clone as it is provided in C# (and Java) can be quite problematic as well. It is better to provide a protected (non-public) copy constructor and invoke that from the clone method. This gives us the ability to delegate the task of creating an object to an insta...

I'm reading a slide deck that states "JavaScript is untyped." This contradicted what I thought to be true so I started digging to try and learn more. ...

...ompiling the code into an executable is reuse and relocation. The average Java or .NET application (for example) will most likely use several 3rd party (or framework) libraries. It is much easier and faster to just compile against a pre-built library, rather than having to compile all of the 3rd p...

...s in the list, using the yield keyword. Before foreach implementation (in Java 1.4, for example), the way to iterate a list was to get an enumerator from the list, then ask it for the "next" item in the l

...ifferent set. Then your website URL should give you back appropriate HTML+Javascript so that the page will make appropriate XmlHttpRequests to your API URLs to act as a client. – ellisbben Sep 8 '11 at 21:06 ...

... edited Sep 12 at 15:02 Java Crazy 5777 bronze badges answered Nov 5 '12 at 9:04 kostjakostja ...

...境，您可以选择使用已配置的应用程序配置必备项，例如Java 运行时环境。 在某些情况下，您可能发现有必要将某些应用程序一起配置以确保应用程序间的功能，或者有必要应用一系列兼容性设置，以确保已配置的应用程序能够...

...s can handle moves and modifications at the same time. When programming in Java and using an IDE, renaming a class is both a modification and a move. I understand that Git even should be able to automatically figure it out when there's a move (out of a remove and a creation). –...

What is the best way to compare objects in JavaScript? 10 Answers 10 ...