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What is the combinatory logic equivalent of intuitionistic type theory?

... bracket abstraction. tm :: Tm a -> Unty a tm (Var a) = V a tm (Lam _ b) = bra (tm b) tm (f :$ a) = tm f :. tm a tm (Pi a b) = C P :. tm a :. tm b tm Set = C U bra :: Unty (Su a) -> Unty a -- binds a variable, building a function bra (V Ze) = C S :. C K :. C...
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Static class initializer in PHP

... * @var Singleton */ private static $instance; private function __construct() { // Your "heavy" initialization stuff here } public static function getInstance() { if ( is_null( self::$instance ) ) { self::$instance = new self(); } return self::$instance;...
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foreach vs someList.ForEach(){}

...lException(ExceptionArgument.match); } for (int i = 0; i < this._size; i++) { action(this._items[i]); } } Similarly, the MoveNext in Enumerator which is what is used by foreach is this: public bool MoveNext() { if (this.version != this.list._version) { T...
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Encode String to UTF-8

... How about using ByteBuffer byteBuffer = StandardCharsets.UTF_8.encode(myString) share | improve this answer | follow | ...
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bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

bpftrace教程【官方】bpftrace_tutorial该教程通过12个简单小节帮助你了解bpftrace的使用。每一小节都是一行的命令,你可以立马运行并看到运行效果。该教程系列用来介绍bpftrace的概念。关于bpftrace的完整参考,见bpftr 该教程通过12...
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Run an Application in GDB Until an Exception Occurs

...case of GNU C++, exceptions are raised by calling a library function named __raise_exception which has the following ANSI C interface: /* addr is where the exception identifier is stored. id is the exception identifier. */ void __raise_exception (void **addr, void *id); To make the debugger c...
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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?

...)<sizeof(int)' is false. ..22 floating point is always IEEE but 'STDC_IEC_559_is_defined' is false. ..25 pointer arithmetic works outside arrays but '(diff=&var.int2-&var.int1, &var.int1+diff==&var.int2)' is false. From what I can say with my puny test cases, you are Stop at...
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After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31

...ly found the answer here: http://www.adam-bien.com/roller/abien/entry/java_se_development_kit_7 You should use JAVA_HOME=$(/usr/libexec/java_home) instead on a Mac and then set the current jdk via "Java Preferences.app". Set JAVA_HOME in ~/.profile ...
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What exactly does Perl's “bless” do?

... package Person; sub new { my $class = shift; my $self = { _firstName => shift, _lastName => shift, _ssn => shift, }; # Print all the values just for clarification. print "First Name is $self->{_firstName}\n"; print "Last Name is $se...
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How to know if two arrays have the same values

... function arraysEqual(_arr1, _arr2) { if (!Array.isArray(_arr1) || ! Array.isArray(_arr2) || _arr1.length !== _arr2.length) return false; var arr1 = _arr1.concat().sort(); var arr2 = _arr2.concat().sort(); for (var i = 0; ...