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Java: Get first item from a collection
... That does the same thing, it just checks if it is a list first, and gets by index if it is. It also has some code to try to fail faster on an actual Collection (that is if the index is too large it tries to figure that out without iterating through the whole thing and throwing the excepti...
Unit test, NUnit or Visual studio?
...it has few advantages over MS-Test
Suite attribute - can aggregate tests and execute them separately (useful for large projects with fast and slow tests for example)
Readable Assert method, e.g. Assert.AreEqual(expected, actual) vs Assert.That(actual, Is.EqualTo(expected))
NUnit has frequent versi...
String representation of an Enum
...This is because static field initialisers are called in declaration order, and before the static constructor, creating the weird and necessary but confusing situation that the instance constructor can be called before all static fields have been initialised, and before the static constructor is call...
Hidden Features of Visual Studio (2005-2010)?
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This works in MS Word and OO Writer as well. I've used it a lot.
– Bård
Aug 27 '09 at 7:17
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Condition within JOIN or WHERE
...al algebra allows interchangeability of the predicates in the WHERE clause and the INNER JOIN, so even INNER JOIN queries with WHERE clauses can have the predicates rearrranged by the optimizer so that they may already be excluded during the JOIN process.
I recommend you write the queries in the mo...
In which language are the Java compiler and JVM written?
...ich languages are the Java compiler ( javac ), the virtual machine (JVM) and the java starter written?
9 Answers
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Copying files from one directory to another in Java
...directory, dir, with text files. I iterate over the first 20 files in dir, and want to copy them to another directory in the dir directory, which I have created right before the iteration.
In the code, I want to copy the review (which represents the ith text file or review) to trainingDir . How c...
What's the difference between “ ” and “ ”?
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One is non-breaking space and the other is a regular space. A non-breaking space means that the line should not be wrapped at that point, just like it wouldn’t be wrapped in the middle of a word.
Furthermore as Svend points out in his comment, non-...
how to get the one entry from hashmap without iterating
...try() method is not defined in the interface SortedMap but only in TreeMap and ConcurrentSkipListMap :(
– janko
Oct 2 '09 at 13:33
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Verifying that a string contains only letters in C#
I have an input string and I want to verify that it contains:
10 Answers
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