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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...s training data, your parameter estimates have greater variance. With less testing data, your performance statistic will have greater variance. Broadly speaking you should be concerned with dividing data such that neither variance is too high, which is more to do with the absolute number of instance...
@RunWith(MockitoJUnitRunner.class) vs MockitoAnnotations.initMocks(this)
While writing a new jUnit4 test, I'm wondering whether to use @RunWith(MockitoJUnitRunner.class) or MockitoAnnotations.initMocks(this) .
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Mockito: Trying to spy on method is calling the original method
....9.0. I want mock the behaviour for a single method of a class in a JUnit test, so I have
9 Answers
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How do I test for an empty JavaScript object?
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Here is performance test between jQuery and underscore jsperf.com/isempty-vs-isemptyobject/6
– Mikhail
Feb 9 '16 at 11:21
24
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Where do alpha testers download Google Play Android apps?
... have developed my app and have published it through Google Play for alpha testing. As one of the testers I get an opt-in link, where I signed in as a tester. After that I was hoping to download the app directly with my phone by going to the Play Store on my phone. But as it seems to turn out, I hav...
Detect if value is number in MySQL
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If your data is 'test', 'test0', 'test1111', '111test', '111'
To select all records where the data is a simple int:
SELECT *
FROM myTable
WHERE col1 REGEXP '^[0-9]+$';
Result: '111'
(In regex, ^ means begin, and $ means end)
To select...
How To Test if Type is Primitive
... Here's an extension method I wrote to conveniently run the tests described in the answers by @Javier and Michael Petito: gist.github.com/3330614.
– Jonathan
Aug 12 '12 at 8:13
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Public free web services for testing soap client [closed]
...y publicly available SOAP 1.2 / WSDL 2.0 compliant free web services for testing a Python based soap client library (e.g. Zolera SOAP Infrastructure )?
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Why does struct alignment depend on whether a field type is primitive or user-defined?
... happen.
You can see it by making the struct members public and appending test code like this:
var test = new RefAndTwoInt32Wrappers();
test.text = "adsf";
test.x.x = 0x11111111;
test.y.x = 0x22222222;
Console.ReadLine(); // <=== Breakpoint here
When the breakpoint hi...
JavaScript string newline character?
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I've just tested a few browsers using this silly bit of JavaScript:
function log_newline(msg, test_value) {
if (!test_value) {
test_value = document.getElementById('test').value;
}
console.log(msg + ': ' + (test_val...