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How to convert/parse from String to char in java?
How do I parse a String value to a char type, in Java?
14 Answers
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Make multiple-select to adjust its height to fit options without scroll bar
Apparently this doesn't work:
16 Answers
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Waiting on a list of Future
I have a method which returns a List of futures
11 Answers
11
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Equivalent of “throw” in R
...hrow" an error in R? I have a function that takes a data frame and some column names and does stuff with them. If the columns don't exist, I want the function to stop and to stop all functions depending on it.
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What's the best way to inverse sort in scala?
What is the best way to do an inverse sort in scala? I imagine the following is somewhat slow.
9 Answers
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Scala Programming for Android
I have followed the tutorial at Scala and Android with Scala 2.7.3 final. The resulting Android App works but even the most basic application takes several minutes (!) to compile and needs 900 kb compressed, which is a show stopper for mobile applications. Additionally, the IDE runs out of mem...
PHP shell_exec() vs exec()
...ream as a string. exec returns the last line of the output by default, but can provide all output as an array specifed as the second parameter.
See
http://php.net/manual/en/function.shell-exec.php
http://php.net/manual/en/function.exec.php
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How to make a element expand or contract to its parent container?
... <svg> element expand to the size of its parent container, in this case a <div> , no matter how big or small that container may be.
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Creating a dynamic choice field
I'm having some trouble trying to understand how to create a dynamic choice field in django. I have a model set up something like:
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How to express a NOT IN query with ActiveRecord/Rails?
Just to update this since it seems a lot of people come to this, if you are using Rails 4 look at the answers by Trung Lê` and VinniVidiVicci.
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