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Split a module across several files
... lowercase letter in Rust. That's why I use matrix.rs and not Matrix.rs.
2Java's different. You declare the path with package, too. It's redundant. The path is already evident from the source file location in the filesystem. Why repeat this information in a declaration at the top of the file? Of co...
What are Scala context and view bounds?
...most common usage from the library is handling String and Array, which are Java classes, like they were Scala collections. For example:
def f[CC <% Traversable[_]](a: CC, b: CC): CC = if (a.size < b.size) a else b
If one tried to do this without view bounds, the return type of a String woul...
Speed up the loop operation in R
...If you are using for loops, you are most likely coding R as if it was C or Java or something else. R code that is properly vectorised is extremely fast.
Take for example these two simple bits of code to generate a list of 10,000 integers in sequence:
The first code example is how one would code ...
How to specify maven's distributionManagement organisation wide?
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What do the terms “CPU bound” and “I/O bound” mean?
...TP communication on a mobile device? I've seen CPU usage spike from using java.nio operations.
– IgorGanapolsky
Jun 28 '18 at 19:49
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Why not use exceptions as regular flow of control?
...tion) in your catch block. FYI: "Multi-catch" is supposed to be going into Java 7.
– jasonnerothin
Apr 8 '09 at 14:33
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Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
... will run anywhere, we will have C. (note, the JVM is written in C. Even java, the language that "runs everywhere" needs C for its everywhereness.) Otherwise I agree with this post on most of its points.
– Tritium21
Sep 22 '13 at 17:35
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Looking for a clear definition of what a “tokenizer”, “parser” and...
...drew Appel; "Compiler Construction", Niklaus Wirth; "Compiling with C# and Java" and "Compilers and Compiler Generators: an Introduction with C++" by Pat Terry; and, of course, "The Definitive ANTLR Reference" by Terrence Parr.
– Andre Artus
Jun 8 '10 at 6:35
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What does “program to interfaces, not implementations” mean?
...calling sort as long as the interface does not change.
Libraries like the Java API and the .NET Framework make heavy use of interfaces because millions of programmers use the objects provided. The creators of these libraries have to be very careful that they do not change the interface to the class...
How does one write code that best utilizes the CPU cache to improve performance?
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@javapowered The compiler may be able to do that depending on the language, though I'm not sure if any of them do. The reason you can't do it in C is that it's perfectly valid to address members by base address+offset rather t...