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  2. Comparison of programming languages (basic instructions)

    en.wikipedia.org/wiki/Comparison_of_programming...

    long = CLng(string) float = CSng(string) double = CDbl(string) string = CStr(number) Visual Basic .NET (can use both VB syntax above and .NET methods shown right) integer = Integer.Parse (string) long = Long.Parse (string) float = Single.Parse (string) double = Double.Parse (string) string = number.ToString() Xojo: integer = Val(string) long ...

  3. List of Java bytecode instructions - Wikipedia

    en.wikipedia.org/wiki/List_of_Java_bytecode...

    convert a double to a float: d2i 8e 1000 1110 value → result convert a double to an int d2l 8f 1000 1111 value → result convert a double to a long dadd 63 0110 0011 value1, value2 → result add two doubles daload 31 0011 0001 arrayref, index → value load a double from an array dastore 52 0101 0010 arrayref, index, value →

  4. Luhn mod N algorithm - Wikipedia

    en.wikipedia.org/wiki/Luhn_mod_N_algorithm

    The mapping of characters to code-points and back can be implemented in a number of ways. The simplest approach (akin to the original Luhn algorithm) is to use ASCII code arithmetic. For example, given an input set of 0 to 9, the code-point can be calculated by subtracting the ASCII code for '0' from the ASCII code of the desired character. The ...

  5. Type conversion - Wikipedia

    en.wikipedia.org/wiki/Type_conversion

    Existing Eiffel software uses the string classes (such as STRING_8) from the Eiffel libraries, but Eiffel software written for .NET must use the .NET string class (System.String) in many cases, for example when calling .NET methods which expect items of the .NET type to be passed as arguments. So, the conversion of these types back and forth ...

  6. List of JVM languages - Wikipedia

    en.wikipedia.org/wiki/List_of_JVM_languages

    This list of JVM Languages comprises notable computer programming languages that are used to produce computer software that runs on the Java virtual machine (JVM). Some of these languages are interpreted by a Java program, and some are compiled to Java bytecode and just-in-time (JIT) compiled during execution as regular Java programs to improve performance.

  7. Java Native Interface - Wikipedia

    en.wikipedia.org/wiki/Java_Native_Interface

    In software design, the Java Native Interface (JNI) is a foreign function interface programming framework that enables Java code running in a Java virtual machine (JVM) to call and be called by [1] native applications (programs specific to a hardware and operating system platform) and libraries written in other languages such as C, C++ and assembly.

  8. Comparison of data-serialization formats - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_data...

    ^The current default format is binary. ^ The "classic" format is plain text, and an XML format is also supported. ^ Theoretically possible due to abstraction, but no implementation is included.

  9. Syntactic sugar - Wikipedia

    en.wikipedia.org/wiki/Syntactic_sugar

    In computer science, syntactic sugar is syntax within a programming language that is designed to make things easier to read or to express. It makes the language "sweeter" for human use: things can be expressed more clearly, more concisely, or in an alternative style that some may prefer.