If you are like me who today tried to start mongod and got the error below [initandlisten] ERROR: listen(): bind() failed errno:48 Address already in use for socket: [initandlisten] ERROR: addr already in use [initandlisten] now exiting Then what have to do instead of restarting

npm config delete prefix

  It turns out that if you are an NVM package (fantastic tool for switching between nodejs versions) user in macOS you will come across at some point to the following error message when you open a bash or zsh terminal npm config delete prefix or nvm use –delete-prefix

Angular 5.0.0

Angular 5.0.0 is now available

Angular 5.0.0 with code name pentagonal-donut is now available. This is a major release containing new features and bugfixes. This release continues Angular’s team focus on making Angular smaller, faster, and easier to use. Here is the changelog 5.0.0 pentagonal-donut (2017-11-01) Features animations: allow @.disabled


Visual Studio Code Keyboard Shortcuts

Below you can find a cheatsheet with all the shortcuts for Visual Studio Code editor.  As you can see there are three flavours, one for Windows, one for Linux and one for MacOS. Windows   Linux MacOS


Largest FREE Microsoft eBook Giveaway

Every year Eric Ligman is giving away a bunch of free eBooks, reference guides, Step-By-Step Guides, and other informational resources. For 2017 check the list below. Those for Azure look interesting…. Category Title Format Azure Introducing Windows Azure™ for IT Professionals PDF MOBI EPUB Azure

Microsoft's Xbox One X

Microsoft’s Xbox One X is here

The Xbox One X, the world’s most powerful console, has been officially unveiled at the E3 videogame conference. The new Xbox – previously codenamed Project Scorpio – will be released in November, and offers 40% more power than any other console, with better graphics and sound. Phil Spencer,


Write your own Virtual DOM

There are two things you need to know to build your own Virtual DOM. You do not even need to dive into React’s source. Or into source code of any other Virtual DOM implementations. They are so large and complex — but in reality the main part


How to install watchman on Linux

Watchman is a popular file watcher made by google and usually first choice for react-native developers. Watchman can also trigger actions (such as rebuilding assets) when matching files change. If you are a linux user it might be a little bit tricky to install it.


NFC technology – Free Webinar – STMicroelectronics

The Internet of Things is pushing a wave of new applications integrating NFC every day. NFC is a simple and intuitive, zero power wireless technology. This technology is paving the way to new opportunities: enriching branding and customer engagement; going beyond industrial logistics and supply chain, with


How to connect a Sharp 2Y0A710F distance sensor to Arduino

Sharp 2Y0A710F is a distance measuring sensor unit, composed of an integrated combination of PSD (position sensitive detector) , IRED (infrared emitting diode) and signal processing circuit. The variety of the reflectivity of the object, the environmental temperature and the operating duration are not influenced