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I'm going to begin this with the process in Ubuntu, then in OS X and finally in Windows. I haven't tested it on all perl versions, but it should be a similar process. Use Perlbrew if you like to switch easily beween different versions of Perl. I want to state that this tutorial is about Perl in it...

The aim of this post is to get started with profiling nodejs application and how to make sense of this results to capture a bug or a memory leak. A nodejs running application is nothing but a v8 engine processes which is in many terms similar to a website running on a browser and we can basically c...

Dplyr and many modern libraries in R use non-standard evaluation (NSE) for interactive programming and standard evaluation (SE) for programming1. For instance, the summarise() function use non-standard evaluation but relies on the summarise_() which uses standard evaluation. The lazyeval library m...

If you edit a new file: vim these/directories/dont/exist/newfile, you won't be able to save the file as the directory vim is trying to save into does not exist.

iOS 10 gave us UserNotifications.framework, the new API for local/remote notifications. It offers viewing media attachments or responding to messages right from the notification. Notification content consists of: title, subtitle, body and attachment. Attachment can contain images/gifs/videos up t...

This is a polynomial algorithm for getting the minimum vertex cover of connected undirected graph. The time complexity of this algorithm is O(n2) VariableMeaningGInput connected un-directed graphXSet of verticesCFinal set of vertices The first thing you have to do in this algorithm to get al...

actually its so simple: Opt-In approach says properties that are considered to be part of DataContract must be explicitly marked otherwise will be ignore, while Opt-Out means all of the properties will be assumed to be part of the DataContract unless marked explicitly.

Its very easy to maintain localization nodejs express

Microsoft Dynamics CRM has evolved drastically over the past few years. There have been many updates and versions released, with a range of new features and improvements at each stage along the path. During the upgrade of a Dynamics CRM environment, there are a few points to bear in mind to ensure a...

By using asynchronous sockets a server can listening for incoming connections and do some other logic in the mean time in contrast to synchronous socket when they are listening they block the main thread and the application is becoming unresponsive an will freeze until a client connects. Socke...

Getting Started Bridge Mode It's a default and attached to docker0 bridge. Put container on a completely separate network namespace. Host Mode When container is just a process running in a host, we'll attach the container to the host NIC. Mapped Container Mode This mode essentially maps a new ...

This post is for those who were having trouble installing Spark in their windows machine. Mostly using sparkR function for R session. Used reference from r-bloggers

We can add Push Notification to react native app by using the npm module react-native-push-notification by zo0r. This enables for a cross platform development. Installation npm install --save react-native-push-notification react-native link Refer GitHub Repo of this module for more details....

This documentation will give you a insight how European VANETs based on the ETSI ITS-G5 and IEEE 802.11p can be simulated by using the discrete event simulator OMNeT++.

This topic is about serial communication using the Universal Asynchronous Receiver/Transmitter (UART) peripheral of the STM32 microcontrollers.