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Performance of Java matrix math libraries? [closed]

...thing whose runtime is bound by matrix operations. (Some details below if interested.) This experience prompted the following question: ...
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What is the difference between call and apply?

...u need to change the value of this for the function call. An example (that convert a functions arguments-object to an array): Array.prototype.slice.call(arguments) or [].slice.call(arguments). apply makes sense if you have the arguments in an array, for example in a function that calls another funct...
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Purpose of Trigraph sequences in C++?

... I've seen trigraphs used in the early '90s to help convert PL/1 programs from a mainframe to be run/compiled/debugged on a PC. They were dabbling with editing PL/I on the PC using a PL/I to C compiler and they wanted the code to work when moved back to the mainframe which ...
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How do I add BundleConfig.cs to my project?

...elated question: How to add reference to System.Web.Optimization for MVC-3-converted-to-4 app share | improve this answer | follow | ...
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How do I replace a character at a particular index in JavaScript?

... string using two substrings and stuff the character between them METHOD2: convert the string to character array, replace one array member and join it Personally, I would use these two methods in different cases. Let me explain. @FabioPhms: Your method was the one I initially used and I was afrai...
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C# nullable string error

...nullable". Nullable<T> and the ? suffix are for value types such as Int32, Double, DateTime, etc. share | improve this answer | follow | ...
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Example of UUID generation using Boost in C++

...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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Rails raw SQL example

How can I convert this code to raw sql and use in rails? Because When I deploy this code in heroku,there is a request timeout error.I think this will be faster if I use raw sql. ...
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psycopg2: insert multiple rows with one query

...e which allows an iterator yielding strings to be read like a file. We can convert each input record to a string using a generator expression. So the solution would be args = [(1,2), (3,4), (5,6)] f = IteratorFile(("{}\t{}".format(x[0], x[1]) for x in args)) cursor.copy_from(f, 'table_name', column...
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How to complete a git clone for a big project on an unstable connection?

...epository for you if you can communicate with the provider. You can easily convert the bare repository to a full repository. Also read the comments in that answer as a shallow clone may not always help. share | ...