Cross-Origin Resource Sharing (CORS) is a standard that allows a server to relax the same-origin policy. This is used to explicitly allow some cross-origin requests while rejecting others.For example, if a site offers an embeddable service, it may be necessary to relax certain restrictions. Setting up such a CORS configuration isn’t necessarily easy and may present some …
React virtualized libraries
https://github.com/bvaughn/react-virtualized React virtualized libraries are react components for efficiently rendering large lists and tabular data. Here is demo components https://bvaughn.github.io/react-virtualized/#/components/List It can be used efficiently in crypto exchange projects, which displays large amount of real-time trade history data
Trigger in mySql
A trigger is a named database object that is associated with a table, and that activates when a particular event occurs for the table. Some uses for triggers are to perform checks of values to be inserted into a table or to perform calculations on values involved in an update. A trigger is defined to …
Introduction about Netlify
Build, deploy, and managemodern web projects An all-in-one workflow that combines global deployment, continuous integration, and automatic HTTPS. And that’s just the beginning. Go beyond static Nail the fundamentals with rock-solid deployment Deploy to a redundant network of servers with built‑in continuous integration and HTTPS. Add dynamic functionality with built‑in applications Manage user identity, HTML forms, and even …
zencorder
It is a PHP library which provides video processing functionalities(similiar to ffmpeg) You can encode videos by this library. For example: Imagine you are going to extract thumbnails and create a preview when uploading a video on your php project. In the case, you can use this library https://github.com/zencoder/zencoder-php
bignumber.js
bignumber.js is a Javascript library which handles mathematical operations between big numbers (numbers which exceeds the range of current primitive number data types) In Javascript float operation is not absolutely accurate. For example, the result of 0.2 * 0.3 is 0.0599999999…, instead of 0.6. This is acceptable for normal mathematical operations but in crypto space, …
Laravel Polymorphic Relationships
A polymorphic relationship allows the target model to belong to more than one type of model using a single association. One To One (Polymorphic) Table Structure A one-to-one polymorphic relation is similar to a simple one-to-one relation; however, the target model can belong to more than one type of model on a single association. For …
jquery.scrollbar
It is a Javascript library to display customized scrollbar on the browser.Instead of customizing the default scrollbar’s styling, it hides the default scrollbar and generate a new scrollbar using html elements.https://github.com/gromo/jquery.scrollbar
Human Standard Token Abi
It’s an open source Abi which provides interface of common functionalities which are provided by smart contracts. When we add new tokens to Metamask, we can use this Abi to invoke common functionalities of the smart contract.https://github.com/danfinlay/human-standard-token-abi
Proof-of-authority 101
PoA, it’s a very simplistic protocol, where instead of miners racing to find a solution to a difficult problem, authorized signers can at any time at their own discretion create new blocks. The challenges revolve around how to control minting frequency, how to distribute minting load (and opportunity) between the various signers and how to …