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Separation of JUnit classes into special test package?
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155
I prefer putting the test classes into the same package as the project classes they test, but ...
ScalaTest in sbt: is there a way to run a single test without tags?
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This is now supported (since ScalaTest 2.1.3) within interactive mode:
testOnly *MySuite -- -z foo
to run only the tests whose name includes the substring "foo".
For exact match rather than substring, use -t instead of -z.
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How do I append text to a file?
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125
cat >> filename
This is text, perhaps pasted in from some other source.
Or else entered ...
Jquery selector input[type=text]')
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177
Using a normal css selector:
$('.sys input[type=text], .sys select').each(function() {...})
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What is the “__v” field in Mongoose
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312
From here:
The versionKey is a property set on each document when first created
by Mongoo...
Is it possible to use getters/setters in interface definition?
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125
You can specify the property on the interface, but you can't enforce whether getters and sette...
Java switch statement: Constant expression required, but it IS constant
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13 Answers
13
Active
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Creating an array of objects in Java
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A[] a = new A[4];
...creates 4 A references, similar to doing this:
A a1;
A a2;
A a3;
A a4;
Now you couldn't do a1.someMethod() without allocating a1 like this:
a1 = new A();
Similarly, with the array you need to do this:
a[0] = new A();
...before using it.
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Member initialization while using delegated constructor
I've started trying out the C++11 standard and i found this question which describes how to call your ctor from another ctor in the same class to avoid having a init method or the like. Now i'm trying the same thing with code that looks like this:
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Javascript Confirm popup Yes, No button instead of OK and Cancel
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