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Override configured user for a single git commit
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184
First, the author is not necessarily the same as the committer. Git tracks both.
To set what...
How to start an application without waiting in a batch file?
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answered May 30 '10 at 9:00
JoeyJoey
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Colored logcat in android studio by colorpid
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401
You can customize colors at Preferences – Editor – Color Scheme – Android Logcat.
Here ...
Javascript Confirm popup Yes, No button instead of OK and Cancel
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johnveyjohnvey
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add a comme...
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 ...
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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