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Assert equals between 2 Lists in Junit
...t(actual, is(not(expected)));
}
If you have a recent version of Junit installed with hamcrest, just add these imports:
import static org.junit.Assert.*;
import static org.hamcrest.CoreMatchers.*;
http://junit.org/junit4/javadoc/latest/org/junit/Assert.html#assertThat(T, org.hamcrest.Matcher)
http:...
Why use Dijkstra's Algorithm if Breadth First Search (BFS) can do the same thing faster?
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Dijkstra allows assigning distances other than 1 for each step. For example, in routing the distances (or weights) could be assigned by speed, cost, preference, etc. The algorithm then gives you the shortest path from your source to e...
How to force a view refresh without having it trigger automatically from an observable?
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You can't call something on the entire viewModel, but on an individual observable you can call myObservable.valueHasMutated() to notify subscribers that they should re-evaluate. This is generally not necessary in KO, as you mentioned.
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How is location accuracy measured in Android?
... that radius of the measured point in meters. Assuming that errors are normally distributed (which, as the docs say, is not necessarily true), that means that this is one standard deviation. For example, if Location.getAccuracy returns 10, then there's a 68% chance the true location of the device is...
Force add despite the .gitignore file
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See man git-add:
-f, --force
Allow adding otherwise ignored files.
So run this
git add --force my/ignore/file.foo
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What does threadsafe mean?
... safe" and so I ended up writing a delegate (sample from MSDN helped) and calling it instead.
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Invoking a static method using reflection
...the method is private use getDeclaredMethod() instead of getMethod(). And call setAccessible(true) on the method object.
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Angular ng-repeat Error “Duplicates in a repeater are not allowed.”
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The solution is actually described here: http://www.anujgakhar.com/2013/06/15/duplicates-in-a-repeater-are-not-allowed-in-angularjs/
AngularJS does not allow duplicates in a ng-repeat directive. This means if you are trying to do the following,...
Can I export a variable to the environment from a bash script without sourcing it?
...tioned, is to use source or . to execute the script in the context of the calling shell:
$ cat set-vars1.sh
export FOO=BAR
$ . set-vars1.sh
$ echo $FOO
BAR
Another way is to have the script, rather than setting an environment variable, print commands that will set the environment variable:
$ c...
How to make a Java thread wait for another thread's output?
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I would really recommend that you go through a tutorial like Sun's Java Concurrency before you commence in the magical world of multithreading.
There are also a number of good books out (google for "Concurrent Programming in Java", "J...