Development
Let’s encrypt
A nonprofit Certificate Authority providing TLS certificates to 190 million websites. https://letsencrypt.org
Development
HumHub – a free social network software and framework
https://www.humhub.com/en https://ponteryu.humhub.com HumHub is a free social network software and framework built to give you the tools to make communication and collaboration easy and successful. It’s lightweight, powerful and comes with an user-friendly interface. With HumHub you can create your Leggi tutto
Development
dbKoda – MongoDB admin tool
dbKoda’s rich code editor allows you to compose MongoDB queries and scripts with syntax highlighting, auto-complete and code formatting. View output in foldable JSON, tabular format or as a chart. Generate visual explain plans with a single click. The explain plan viewer will suggest indexes that Leggi tutto
Javascript
Event loop in JS
heap. where memory allocation happens call stack: is’t a data structure which records where in the program we are Single thread => one call stack => one thing at a timeNB (12′ 23″) The JS Runtime is single thread but Leggi tutto
Javascript
Tricky JavaScript Interview Questions and Answers
Question #1 Question #2Sorting in JS consider element as string Solution is: Question #3 Solution is: MIN_VALUE is the smallest number in JS! Question #4+operates on strings & number, so if it’s not a string or number it would try Leggi tutto
Javascript
What is a closure and how do you use it
Closures are important because they control what is and isn’t in scope in a particular function, along with which variables are shared between sibling functions in the same containing scope. Definition of the Closure given by Douglas Crockford: crockford.com/javascript/private.html Example: Closure Leggi tutto
Javascript
Tricky stuff: setTimeout
Using setTimeout makes the inside code asynchronous.The function in called after everything on the stack is finished.Check Event loop in JS
Javascript
What is a Promise?
A promise is an object that may produce a single value some time in the future: either a resolved value, or a reason that it’s not resolved (e.g., a network error occurred). A promise may be in one of 3 Leggi tutto