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How to test valid UUID/GUID?
...9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$/.test('01234567-9ABC-DEF0-1234-56789ABCDEF0');
or with brackets
/^\{?[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}\}?$/
...
How to create Java gradle project
...
Use mkdir -p src/{main,test}/{java,resources}
– Ortwin Angermeier
Aug 23 '16 at 9:31
1
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What is a good use case for static import of methods?
...sions of JUnit methods like assertEquals and fail were inherited since the test class extended junit.framework.TestCase.
// old way
import junit.framework.TestCase;
public class MyTestClass extends TestCase {
public void myMethodTest() {
assertEquals("foo", "bar");
}
}
In JUnit 4...
How to check if a string is a valid hex color representation?
...
/^#[0-9A-F]{6}$/i.test('#AABBCC')
To elaborate:
^ -> match beginning
# -> a hash
[0-9A-F] -> any integer from 0 to 9 and any letter from A to F
{6} -> the previous group appears exactly 6 times
$ ...
How do I test which class an object is in Objective-C?
How do I test whether an object is an instance of a particular class in Objective-C? Let's say I want to see if object a is an instance of class b, or class c, how do I go about doing it?
...
Copy existing project with a new name in Android Studio
...p on my device. I want to have both apps simultaneously on the device (for testing chrome custom tabs). How can I force Android Studio to have both apps at once on the device?
– Locksleyu
May 1 '18 at 13:55
...
Difference in months between two dates
...365.25 / 12)
Note, if you were to use the latter solution then your unit tests should state the widest date range which your application is designed to work with and validate the results of the calculation accordingly.
Update (with thanks to Gary)
If using the 'average months' method, a slight...
How to reverse a 'rails generate'
...e ("p" for pretend).
If you add this to the command it will simply do a "test" run and show you what files will be deleted without actually deleting them.
$ rails d controller welcome -p
remove app/controllers/welcome_controller.rb
invoke erb
remove app/views/welcome
invoke test_un...
How to test if a double is an integer
...
In Sonar, this produces an issue "Equality tests should not be made with floating point values."
– Julio D
Jul 12 '17 at 9:56
...
Why do you need to invoke an anonymous function on the same line?
...y inside the mySum function body, not outside. See following example:
var test1 = function test2() { alert(typeof test2); }
alert(typeof(test2)); //alerts 'undefined', surprise!
test1(); //alerts 'function' because test2 is a function.
Live Demo
Compare this to
function test1() { alert(type...