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JUnit: how to avoid “no runnable methods” in test utils classes

... I don't think it would help, because he moved to JUnit 4.4 and that should not matter. – guerda Mar 23 '09 at 7:46 2 ...
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How to check if hex color is “too black”?

...e darkness of a color chosen by a color picker to see if it's "too black", and if so, set it to white. I thought I could use the first characters of the hex value to pull this off. It's working, but it's switching some legitimately "light" colors too. ...
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jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)

... Update There is a new and very simple solution for this: It allows you to use any kind of input filter on a text <input>, including various numeric filters. This will correctly handle Copy+Paste, Drag+Drop, keyboard shortcuts, contex...
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HTTP Basic Authentication credentials passed in URL and encryption

I have a question about HTTPS and HTTP Authentication credentials. 3 Answers 3 ...
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Is it possible for a computer to “learn” a regular expression by user-provided examples?

...ton, it is possible to learn some regular expressions by a program. Kearns and Valiant show some cases where it is not possible to learn a finite automaton. A related problem is learning hidden Markov Models, which are probabilistic automata that can describe a character sequence. Note that most mod...
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JPA and Hibernate - Criteria vs. JPQL or HQL

What are the pros and cons of using Criteria or HQL ? The Criteria API is a nice object-oriented way to express queries in Hibernate, but sometimes Criteria Queries are more difficult to understand/build than HQL. ...
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Mutable vs immutable objects

...returning an array of strings from a method) but I'm having trouble understanding what the negative impacts are of this. What are the best practices around using mutable objects? Should you avoid them whenever possible? ...
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What are Transient and Volatile Modifiers?

Can someone explain what the transient and volatile modifiers mean in Java? 4 Answers ...
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reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?

...d _allData of my own type SystemData which consists of few List<T> and Dictionary<T> marked as volatile . The system data ( _allData ) is refreshed once in a while and I do it by creating another object called newData and fill it's data structures with new data. When it's done I j...
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When should I use double or single quotes in JavaScript?

...r use of single vs. double in different libraries is programmer preference and/or API consistency. Other than being consistent, use whichever best suits the string. Using the other type of quote as a literal: alert('Say "Hello"'); alert("Say 'Hello'"); This can get complicated: alert("It's \"game\"...