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Ternary Operator Similar To ?:
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We can combine How to define a ternary operator in Scala which preserves leading tokens? with the answer to Is Option wrapping a value a good pattern? to get
scala> "Hi".getClass.getSimpleName |> {x => x.endsWith("$") ? ...
What happens if you call erase() on a map element while iterating from begin to end?
... edited May 23 '17 at 11:54
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answered Nov 5 '08 at 0:09
Martin YorkMartin Yor...
How do I use define_method to create class methods?
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How can I request the vibrate permission?
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how to change directory using Windows command line
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The "cd" command changes the directory, but not what drive you are working with. So when you go "cd d:\temp", you are changing the D drive's directory to temp, but staying in the C drive.
Execute these two commands:
D:
cd temp
Tha...
Callback of .animate() gets called twice jquery
...n the set you call animate on:
If supplied, the start, step, progress, complete, done, fail, and always callbacks are called on a per-element basis...
Since you're animating two elements (the html element, and the body element), you're getting two callbacks. (For anyone wondering why the OP is...
Why does pattern matching in Scala not work with variables?
...ginning with upper case, or in back ticks, do you need to be aware that it comes from the surrounding scope.
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Change directory command in Docker?
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You can run a script, or a more complex parameter to the RUN. Here is an example from a Dockerfile I've downloaded to look at previously:
RUN cd /opt && unzip treeio.zip && mv treeio-master treeio && \
rm -f treeio.zip &&...