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What is the difference between a map and a dictionary?

... values. Isn't a dictionary the same? What is the difference between a map and a dictionary 1 ? 11 Answers ...
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Should I use an exception specifier in C++?

... x.x(); } The copies might throw, the parameter passing might throw, and x() might throw some unknown exception. Exception-specifications tend to prohibit extensibility. virtual void open() throw( FileNotFound ); might evolve into virtual void open() throw( FileNotFound, SocketNotReady, In...
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How can I negate the return-value of a process?

...at negates the value a process returns. It should map 0 to some value != 0 and any value != 0 to 0, i.e. the following command should return "yes, nonexistingpath doesn't exist": ...
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Programmatically creating Markdown tables in R with KnitR

I am just starting to learn about KnitR and the use of Markdown in generating R documents and reports. This looks to be perfect for a lot of the day to day reporting that I have to do with my job. However, one thing that I'm not seeing is an easy way to print data frames and tables using Markdown fo...
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How safe is it to store sessions with Redis?

...s is perfect for storing sessions. All operations are performed in memory, and so reads and writes will be fast. The second aspect is persistence of session state. Redis gives you a lot of flexibility in how you want to persist session state to your hard-disk. You can go through http://redis.io/to...
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Defining a function with multiple implicit arguments in Scala

... They must all go in one parameter list, and this list must be the last one. def myfun(arg:String)(implicit p1: String, p2:Int)={} share | improve this answer ...
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How do I know if a generator is empty from the start?

... Oh, and for reference, I tried implementing my own "fancy decorator" suggestion. HARD. Apparently copy.deepcopy doesn't work on generators. – David Berger Mar 19 '09 at 19:50 ...
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What do linkers do?

... To understand linkers, it helps to first understand what happens "under the hood" when you convert a source file (such as a C or C++ file) into an executable file (an executable file is a file that can be executed on your machine or so...
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What is the difference between GitHub and gist?

What is the purpose of gist and how is it different from regular code sharing/maintaining using GitHub? 8 Answers ...
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Assigning out/ref parameters in Moq

... @ATD partly yes. Declare a delegate with the out parameter and assign the value in the callback with the syntax from above – royalTS Jul 25 '19 at 7:06 ...