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How to profile methods in Scala?
What is a standard way of profiling Scala method calls?
12 Answers
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Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli
...is example, I am assuming that all your image files contain the string IMG and you want to replace IMG with VACATION.
The shell automatically evaluates *.jpg to all the matching files.
The second argument of mv (the new name of the file) is the output of the sed command that replaces IMG with VACATI...
Global access to Rake DSL methods is deprecated
I am working through the Ruby on Rails 3 tutorial book and typed the following on the command line:
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How to create a database from shell command?
...solution that would allow me to create database with a help of a shell command. Any hints?
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Is there any way to close a StreamWriter without closing its BaseStream?
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@Yepeekai: "if I pass a stream to a sub method and that sub method create the StreamWriter, it will be disposed at the end of the execution of that sub method" No, that's simply not true. It will only be disposed if something calls Dispose on it. The method ending doesn't...
How can you find out which process is listening on a port on Windows?
...mmendation for TCPView. It looks very useful!
-a Displays all connections and listening ports.
-b Displays the executable involved in creating each connection or listening port. In some cases well-known executables host multiple independent components, and in these cases the sequence of components...
Java: How to set Precision for double value? [duplicate]
I was working with numbers recently and I had a situation where I want to set the precision of a double value say to 6 digits or 4 digits, depending on the value stored in the database.
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How to handle back button in activity
How to handle a back button in an activity? I have some buttons. If I click one of the button it's redirecting to the buttons which I required. It's working fine but When I press back button it gets finished.
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NumPy array initialization (fill with identical values)
...th certain values, because it explicitly describes what is being achieved (and it can in principle be very efficient since it performs a very specific task).
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How to change a nullable column to not nullable in a Rails migration?
I created a date column in a previous migration and set it to be nullable. Now I want to change it to be not nullable. How do I go about doing this assuming there are null rows in that database? I'm ok with setting those columns to Time.now if they're currently null.
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