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Track the time a command takes in UNIX/LINUX?

In UNIX/LINUX, is there an easy way to track the time a command takes? 3 Answers 3 ...
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Ruby/Rails: converting a Date to a UNIX timestamp

How would I get a UNIX timestamp (number of seconds since 1970 GMT) from a Date object in a Rails app? 5 Answers ...
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Simpler way to create dictionary of separate variables?

I would like to be able to get the name of a variable as a string but I don't know if Python has that much introspection capabilities. Something like: ...
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Converting an array of objects to ActiveRecord::Relation

I have an array of objects, let's call it an Indicator . I want to run Indicator class methods (those of the def self.subjects variety, scopes, etc) on this array. The only way I know to run class methods on a group of objects is to have them be an ActiveRecord::Relation. So I end up resorting to...
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Example of UUID generation using Boost in C++

I want to generate just random UUID's, as it is just important for instances in my program to have unique identifiers. I looked into Boost UUID , but I can't manage to generate the UUID because I don't understand which class and method to use. ...
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Add a number to each selection in Sublime Text 2, incremented once per selection

Is there a way to add insert a number that is incremented once per cursor in Sublime Text 2? 3 Answers ...
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How to manually install an artifact in Maven 2?

I've encountered some errors when I tried to install an artifact manually with Maven 2. I wanted to install a jar from a local directory with the command ...
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Get first n characters of a string

How can I get the first n characters of a string in PHP? What's the fastest way to trim a string to a specific number of characters, and append '...' if needed? ...
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How to easily map c++ enums to strings

I have a bunch of enum types in some library header files that I'm using, and I want to have a way of converting enum values to user strings - and vice-versa. ...
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How to find out which processes are using swap space in Linux?

Under Linux, how do I find out which process is using the swap space more? 17 Answers ...