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JSR-303 @Valid annotation not working for list of child objects

...e Bean Validator to delve to the type of its applied property and validate all constraints found there. Answer with code to your question, the validator, when seeing a @Valid constraint on addresses property, will explore the AddressForm class and validate all JSR 303 constraints found inside, as fo...
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ASP.NET web.config: configSource vs. file attributes

...).aspx Using the Configuration.AppSettings.Settings.Add API will result in all settings being merged back into the main .config on a Configuration.Save call. since .NET 1.1 Exception is not thrown if file does not exist. configSource attribute can apply to most sections of a configuration file, ...
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parseInt vs unary plus, when to use which?

...uld be explained here. It's bitwise equivalent of Math.floor(), which basically chops off the decimal part. – Joseph Jun 14 '13 at 11:01 ...
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Pinging servers in Python

...on 2 and Python 3 EDITS: By @radato os.system was replaced by subprocess.call. This avoids shell injection vulnerability in cases where your hostname string might not be validated. import platform # For getting the operating system name import subprocess # For executing a shell command def pi...
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Comparing arrays in JUnit assertions, concise built-in way?

...dResult, result ); If this method is not available, you may have accidentally imported the Assert class from junit.framework. share | improve this answer | follow ...
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Listing only directories in UNIX

... of ls isn't used. Similar to the behaviour of ls *php and how it displays all files ending with php in a directory. – David Hancock Oct 18 '13 at 15:24 3 ...
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C# generic type constraint for everything nullable

...vs. the unhandiness of exceptions in a static constructor. Since you're really implementing a poor-mans static analyzer here, this exception should never be thrown except during development. Finally, even if you want to avoid static construction exceptions at all costs (unwise), then you should sti...
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Difference between setUp() and setUpBeforeClass()

.... So let's assume you had three tests in your class, the order of method calls would be: setUpBeforeClass() (Test class first instance constructed and the following methods called on it) setUp() test1() tearDown() (Test class second instance constructed and the following methods ...
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How do I convert a Java 8 IntStream to a List?

... @skiwi I mean, that all the other answers are unneeded after this one as they would be not so natural. – Dmitry Ginzburg May 15 '14 at 9:56 ...
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Any way to modify Jasmine spies based on arguments?

I have a function I'd like to test which calls an external API method twice, using different parameters. I'd like to mock this external API out with a Jasmine spy, and return different things based on the parameters. Is there any way to do this in Jasmine? The best I can come up with is a hack using...