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How do I cast a variable in Scala?
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The preferred technique is to use pattern matching. This allows you to gracefully handle the case that the value in question is not of the given type:
g match {
case g2: Graphics2D => g2
case _ => throw new ClassCastException
}
This...
GoTo Next Iteration in For Loop in java
...en in java that skips the rest of the for loop?
Something like VB's Continue in java.
6 Answers
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Make virtualenv inherit specific packages from your global site-packages
I'm looking for a way to make a virtualenv which will contain just some libraries (which i chose) of the base python installation.
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iOS: How does one animate to new autolayout constraint (height)
I've never worked with autolayout constraints before. I have a small new app I'm working on and noticed that the NIB's views are defaulting to autolayout. So, I figured I'd take the opportunity to work with it and try to figure out where Apple is going with this.
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Is there a good way to attach JavaScript objects to HTML elements?
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Have you looked at the jQuery data() method? You can assign complex objects to the element if you want or you can leverage that method to hold a reference to an object (or some other data) at the very least.
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JVM option -Xss - What does it do exactly?
It says here that -Xss is used to "set thread stack size", what does it mean exactly? Could anyone help me understand this?
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Getting “bytes.Buffer does not implement io.Writer” error message
I'm trying to have some Go object implement io.Writer, but writes to a string instead of a file or file-like object. I thought bytes.Buffer would work since it implements Write(p []byte) . However when I try this:
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Why em instead of px?
I heard you should define sizes and distances in your stylesheet with em instead of in pixels. So the question is why should I use em instead of px when defining styles in css? Is there a good example that illustrates this?
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Is sizeof(bool) defined in the C++ language standard?
I can't find an answer in the standard documentation. Does the C++ language standard require sizeof(bool) to always be 1 (for 1 byte), or is this size implementation-defined?
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Android: Why does long click also trigger a normal click?
I have a ListView with listeners for a long click and a regular click.
4 Answers
4
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