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What does the `#` operator mean in Scala?
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To explain it, we first have to explain nested classes in Scala. Consider this simple example:
class A {
class B
def f(b: B) = println("Got my B!")
}
Now let's try something with it:
scala> val a1 = new A
a1: A = A@2fa8ecf4
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How to quietly remove a directory with content in PowerShell
Using PowerShell, is it possible to remove some directory that contains files without prompting to confirm action?
13 Answe...
How to calculate the angle between a line and the horizontal axis?
... is more of a directed line segment, not a "line", since lines extend infinitely and don't start at a particular point).
deltaY = P2_y - P1_y
deltaX = P2_x - P1_x
Then calculate the angle (which runs from the positive X axis at P1 to the positive Y axis at P1).
angleInDegrees = arctan(deltaY / d...
How do I put all required JAR files in a library folder inside the final JAR file with Maven?
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The following is my solution. Test it if it works for you:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
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Sum a list of numbers in Python
... your input values are integers. By default, Python does integer division: it discards the remainder. To divide things through all the way, we need to use floating-point numbers. Fortunately, dividing an int by a float will produce a float, so we just use 2.0 for our divisor instead of 2.
Thus:
av...
Is it possible to get all arguments of a function as single object inside that function?
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Use arguments. You can access it like an array. Use arguments.length for the number of arguments.
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How to get a thread and heap dump of a Java process on Windows that's not running in a console
...ocess running, assuming you know the pid.
Use Task Manager or Resource Monitor to get the pid. Then
jmap -dump:format=b,file=cheap.hprof <pid>
to get the heap for that process.
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Alternative to iFrames with HTML5
I would like to know if there is an alternative to iFrames with HTML5.
I mean by that, be able to inject cross-domains HTML inside of a webpage without using an iFrame.
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View differences of branches with meld?
I know that I can view the difference between HEAD and current state with meld . . But how can I view the differences between branches, for example master and devel with meld?
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How to change the remote repository for a git submodule?
I've created a git repository with a submodule in it. I'm able to tell the submodule itself to change its remote repository path, but I'm not sure how to tell the parent repository how to change the remote repository path for the submodule.
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