Part 1: not disposing a subscription Judging by the number of talks, articles and discussions related to reactive programming in Swift, it looks like the community has been taken by the storm. It's not that the concept of reactiveness itself is a new…

https://dzone.com/refcardz/csharp C#Development 13 Things Every C# Developer Should Know Written by Jon JarboeSenior Technical Manager, Coverity Gives 13 useful tips and references for using C#, a simple, modern, general purpose, object-oriented, mul…

看到这儿,我猜你肯定已经看过一些博客.技术大会录像了,现在应该已经准备好踏上angular2这条不归路了吧!那么上路后,哪些东西是我们需要知道的? 下面就是一些新手常见错误汇总,当你要开始自己的angular2旅程时,尽量避免吧. 注:本文中,我假设诸位已经对angular2的基础知识有所了解.如果你是绝对新手,之前只听说过,完全没概念什么是angular2的,先去读读下面这些资料: Angular docs Victor Savkin's blog Thoughtram's Angular 2…

Spark Streaming 编程指南 Overview A Quick Example Basic Concepts Linking Initializing StreamingContext Discretized Streams (DStreams) Input DStreams and Receivers Transformations on DStreams Output Operations on DStreams DataFrame and SQL Operations MLli…

原文链接:http://www.huffingtonpost.com/syed-balkhi/10-biggest-business-mista_b_7626978.html When I started my first business, I made a lot of mistakes (everyone does). While mistakes are unavoidable, you can use the lessons learned by others to prevent t…

There have been many articles on our site on software testing interviews. That is because, we, as IT professionals, have to experience and make it through many of them in many forms. At STH, we acknowledge this and we want to help our readers as much…

11 Clever Methods of Overfitting and how to avoid them Overfitting is the bane of Data Science in the age of Big Data. John Langford reviews "clever" methods of overfitting, including traditional, parameter tweak, brittle measures, bad statistic…

http://devs.cloudimmunity.com/gotchas-and-common-mistakes-in-go-golang/ 50 Shades of Go: Traps, Gotchas, and Common Mistakes for New Golang Devs Go is a simple and fun language, but, like any other language, it has a few gotchas... Many of those gotc…

This list summarizes the top 10 mistakes that Java developers frequently make. #1. Convert Array to ArrayList To convert an array to an ArrayList, developers often do this: List<String> list = Arrays.asList(arr); Arrays.asList() will return an Array…

(Sorry for that click-bait heading. Couldn’t resist ;-) ) We’re on a mission. To teach you SQL. But mostly, we want to teach you how to appreciate SQL. You’ll love it! Getting SQL right or wrong shouldn’t be about that You’re-Doing-It-Wrong™ attitude…