D

D

D Language Foundation

About

Crystal’s syntax is heavily inspired by Ruby’s, so it feels natural to read and easy to write, and has the added benefit of a lower learning curve for experienced Ruby devs. Crystal is statically type-checked, so any type errors will be caught early by the compiler rather than fail on runtime. Moreover, and to keep the language clean, Crystal has built-in type inference, so most type annotations are unneeded. All types are non-nilable in Crystal, and available variables are represented as a union between the type and nil. As a consequence, the compiler will automatically check for null references in compile time. Crystal’s answer to metaprogramming is a powerful macro system, which ranges from basic templating and AST inspection to types inspection and running arbitrary external programs.

About

D is a general-purpose programming language with static typing, systems-level access, and C-like syntax. With the D Programming Language, write fast, read fast, and run fast. D is made possible through the hard work and dedication of many volunteers, with the coordination and outreach of the D Language Foundation, a 501(c)(3) non-profit organization. You can help further the development of the D language and help grow our community by supporting the Foundation. Discuss D on the forums, join the IRC channel, read our official Blog, or follow us on Twitter. Browse the wiki, where among other things you can find the high-level vision of the D Language Foundation. Refer to the language specification and the documentation of Phobos, D's standard library. The DMD manual tells you how to use the compiler. Read various articles to deepen your understanding.

About

JavaScript is a scripting language and programming language for the web that enables developers to build dynamic elements on the web. Over 97% of the websites in the world use client-side JavaScript. JavaScript is one of the most important scripting languages on the web. Strings in JavaScript are contained within a pair of either single quotation marks '' or double quotation marks "". Both quotes represent Strings but be sure to choose one and STICK WITH IT. If you start with a single quote, you need to end with a single quote. There are pros and cons to using both IE single quotes tend to make it easier to write HTML within Javascript as you don’t have to escape the line with a double quote. Let’s say you’re trying to use quotation marks inside a string. You’ll need to use opposite quotation marks inside and outside of JavaScript single or double quotes.

About

Use our generator to create a test script in JavaScript or CoffeeScript. Write script to set the request parameters and validate the response. Ping-API will run your test script on global servers in U.S., Japan, Germany and Singapore. Schedule testing to inspect your APIs. We will send the failure test information to you with email, Slack and HipChat. Ping-API allows you to write test script in JavaScript and CoffeeScript to test your APIs. Write script to set request url parameters, headers and body. And write script to validate response headers and body. Script generator. Don't worry about programming. Just set parameter of your API, the generator will give you test script. It is easy! The use case for web developers. Give me a notification when my web is down or the response is unexpected. Ping-API will schedule your tests in every minutes or hours. If the test is failure, we will send the notification to you.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers in need of a powerful Programming Language solution

Audience

Programming Language solution for developers

Audience

Web developers and anyone looking for a mobile solution for running and developing web content

Audience

Development teams or inviduals who want an API testing solution

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Pricing

$5 per month
Free Version
Free Trial

Reviews/Ratings

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ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Crystal
crystal-lang.org

Company Information

D Language Foundation
dlang.org

Company Information

JavaScript
Founded: 1995
United States
javascript.com

Company Information

Ping-API
ping-api.com

Alternatives

Apache Groovy

Apache Groovy

The Apache Software Foundation

Alternatives

Alternatives

Alternatives

AssemblyScript

AssemblyScript

The AssemblyScript Project
Zig

Zig

Zig Software Foundation
Requestly

Requestly

RQ Labs, Inc.
Dart

Dart

Dart Language
HttpMaster

HttpMaster

Borvid

Categories

Categories

Categories

Categories

Integrations

BaseRock AI
DeepSeek Coder
DevCycle
ESLint
Enhance
Files.com
Gemini Advanced
HollaEx
JinaChat
Limnor Studio
Llama 3.2
Loopple
Restack
SigNoz
Surfly
Testfully
The Welkin Suite
TinyMCE
Userdesk
Wink

Integrations

BaseRock AI
DeepSeek Coder
DevCycle
ESLint
Enhance
Files.com
Gemini Advanced
HollaEx
JinaChat
Limnor Studio
Llama 3.2
Loopple
Restack
SigNoz
Surfly
Testfully
The Welkin Suite
TinyMCE
Userdesk
Wink

Integrations

BaseRock AI
DeepSeek Coder
DevCycle
ESLint
Enhance
Files.com
Gemini Advanced
HollaEx
JinaChat
Limnor Studio
Llama 3.2
Loopple
Restack
SigNoz
Surfly
Testfully
The Welkin Suite
TinyMCE
Userdesk
Wink

Integrations

BaseRock AI
DeepSeek Coder
DevCycle
ESLint
Enhance
Files.com
Gemini Advanced
HollaEx
JinaChat
Limnor Studio
Llama 3.2
Loopple
Restack
SigNoz
Surfly
Testfully
The Welkin Suite
TinyMCE
Userdesk
Wink
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