Common Coding Mistakes You Should Avoid
Making mistakes is human. However, a lot of the mistakes that developers make can be avoided. If you’re able to avoid the common mistakes in this article, you will be able to write better and cleaner code.
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Making mistakes is human. However, a lot of the mistakes that developers make can be avoided. If you’re able to avoid the common mistakes in this article, you will be able to write better and cleaner code.
You might have seen e-commerce websites every day. Or read many articles from lots of blogs, news, and Medium publications. From your perspective as a user or reader, what is … Read More
今天要讲的是更为重点的容错处理,这涉及到Spark的应用场景和RDD的设计来源。
大数据处理肯定是分布式的了,那就面临着几个核心问题:可扩展性,负载均衡,容错处理。Spark是如何处理这些问题的呢?接着上一篇的“动手写WordCount”,今天要做的就是透过这个大数据界的HelloWorld来看看Spark隐藏了哪些魔法。
Spark是主流的大数据处理框架,具体有啥能耐,相信不需要多说。我们开门见山,直接动手写大数据界的HelloWorld:WordCount。
Facebook, Google, GitHub, Netflix, and a few other tech giants have given developers and products a chance to consume their data through APIs and became a platform for them. Even … Read More
In this article, we will learn how to work with Tesseract OCR in Java using the Tesseract API. What is Tesseract OCR?Tesseract OCR is an optical character reading engine developed by HP … Read More
More and More people are facing the problem when user clicks refresh button in react web site. such as 404 not found or react crash. To solve the refresh reactjs … Read More
“Solr or Elasticsearch?”…well, at least that is the common question we hear from Sematext’s consulting services clients and prospects. Which one is better, Solr or Elasticsearch? Which one is faster? Which one … Read More
Linux centos 开关机及重启常用命令