Tutorial by Topics: loops

for (initialization; condition; final_expression) { } for (key in object) { } for (variable of iterable) { } while (condition) { } do { } while (condition) for each (variable in object) { } // ECMAScript for XML Loops in JavaScript typically help solve problems which involve repeating ...

As one of the most basic functions in programming, loops are an important piece to nearly every programming language. Loops enable developers to set certain portions of their code to repeat through a number of loops which are referred to as iterations. This topic covers using multiple types of loops...

A loop statement executes a group of statements repeatedly until a condition is met. There are 3 types of primitive loops in C++: for, while, and do...while. while (condition) statement ; do statement while (expression) ; for (for-init-statement ; condition ; expression) statement ; for (f...

while (boolean_expression) { block_expression } do { block_expression } while (boolean_expression) ParameterDetailsboolean_expressionAny expression that will evaluate to true or false.block_expressionAny expression or set of expressions that will be evaluated if the boolean_expres...

loop { block } // infinite loop while condition { block } while let pattern = expr { block } for pattern in expr { block } // expr must implement IntoIterator continue // jump to the end of the loop body, starting a new iteration if necessary break // stop the loop ...

As one of the most basic functions in programming, loops are an important piece to nearly every programming language. Loops enable developers to set certain portions of their code to repeat through a number of loops which are referred to as iterations. This topic covers using multiple types of loops...

A loop is a sequence of instruction(s) that is continually repeated until a certain condition is reached. Being able to have your program repeatedly execute a block of code is one of the most basic but useful tasks in programming. A loop lets you write a very simple statement to produce a significan...

for constant in sequence { statements } for constant in sequence where condition { statements } for var variable in sequence { statements } for _ in sequence { statements } for case let constant in sequence { statements } for case let constant in sequence where condition { statements } for c...

Iterate over column vector A common source of bugs is trying to loop over the elements of a column vector. A column vector is treated like a matrix with one column. (There is actually no distinction in Matlab.) The for loop runs once with the loop variable set to the column. % Prints once: [3,...

(do ({var | (var [init-form [step-form]])}*) (end-test-form result-form*) declaration* {tag | statement}*) (do* ({var | (var [init-form [step-form]])}*) (end-test-form result-form*) declaration* {tag | statement}*) (dolist (var list-form [result-form]) declaration* {tag | statement}*) (dotimes ...

Loops are a fundamental aspect of programming. They allow programmers to create code that repeats for some given number of repetitions, or iterations. The number of iterations can be explicit (6 iterations, for example), or continue until some condition is met ('until Hell freezes over'). This topi...

When looping over internal tables, it is generally preferable to ASSIGN to a field symbol rather than loop INTO a work area. Assigning field symbols simply updates their reference to point to the next line of the internal table during each iteration, whereas using INTO results in the line of the t...

In Kotlin, loops are compiled down to optimized loops wherever possible. For example, if you iterate over a number range, the bytecode will be compiled down to a corresponding loop based on plain int values to avoid the overhead of object creation.

for (declaration, condition, iteration) { } while (condition) { } do { } while (condition) General Remark If you intend to create a loop to wait for something to happen, you're probably on the wrong track here. Rather remember that all code after setup() is run from a method called loop()...

Official docs explains playbook conditionals. http://docs.ansible.com/ansible/playbooks_conditionals.html Ansible (github) https://github.com/marxwang/ansible-learn-resources

for /l %%p in (startNumber, increment, endNumber) do command for /f %%p in (filename) do command for /f %%p in ("textStrings") do command for /f %%p in ('command') do command for /r drive:\path %%p in (set) do command for /d %%p in (directory) do command The for command acce...

for i in iter; ...; end while cond; ...; end break continue @parallel (op) for i in iter; ...; end @parallel for i in iter; ...; end @goto label @label label Whenever it makes code shorter and easier to read, consider using higher-order functions, such as map or filter, instead of lo...

for (variable identifier in iterating collection) { expression } while (condition) { expression } do { expression } while (condition); break; continue;

for OrdinalVariable := LowerOrdinalValue to UpperOrdinalValue do begin {loop-body} end; for OrdinalVariable := UpperOrdinalValue downto LowerOrdinalValue do begin {loop-body} end; for EnumerableVariable in Collection do begin {loop-body} end; Delphi's for-loop syntax does not provide an...