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  Write Your Own R Packages

Introduction A set of user-defined functions (UDF) or utility functions are helpful to simplify our code and avoid repeating the same typing for daily analysis work. Previously, I saved all my R functions to a single R file. Whenever I want to use them, I can simply source the R file to import all functions. This is a simple but not perfect approach, especially when I want to check the documentation of certain functions. It was quite annoying that you can’t just type ?func&n...

   DATA SCIENCE,R PROGRAMMING,DATA ENGINEERING     2019-10-19 07:20:52

  Some hidden XSS injection vulnerabilities

XSS injection refers to a Web page generates some unexpected executable js codes based on user input  and these executable codes are executed by web browser,i.e, the source code sent to web browser by the server contains some illegal js codes, and these illegal js codes are related to user's input. Common XSS injection vulnerabilities can be fixed with some functions such as htmlspecialchars(escaping HTML special characters) and strip_tags() or similar, but there are some hidden XSS injecti...

   XSS,PHP,Security,Code,JavaScript     2012-08-27 20:32:08

  The Best Wireless Headphones for Everyday Use

Wireless headphones have consumed a little bit of slamming during the previous six months, complying with Apple's debatable choice to clear the newest set of Apple iPhone of the reliable old earphone port. HTC observed fit using the U Ultra and also in businesses and undergone lots of objection from both customers and market professionals. Several sets are more concentrated on sports and also exercise and set in additional functions to perform so that some others are created mainly for hearing t...

   HEADPHONES,WIRELESS     2017-10-12 10:54:56

  8 Optimization Rules To Improve Visibility Of your Ecommerce Store

The success of an Ecommerce store depends on its page rank. If your store pops up in first page then there are higher chances of getting noticed. But getting a spot in page 1 is no mean task as web crawlers are very smart in identifying a quality content. These crawlers follow a specific pattern in setting up a yardstick for a quality content. You need to understand what does a quality content mean from a search engine perspective. Here are the rules to be followed.   #1 Unique content is ...

   marketplace apptha, multi vendor marketplace, magento marketplace     2015-03-09 07:16:16

  Arrays.equals() vs MessageDigest.isEqual()

Both Arrays.equals() and MessageDigest.isEqual() are used to compare the equality of two arrays. They can be interchangeably in many cases. However, they do have some differences which lead to different use cases in real applications. One difference is that the arrays passed to MessageDigest.isEqual() cannot be null while it's ok for Arrays.equals(). The one major difference between these two methods is that Arrays.equals() is not time-constant while MessageDigest.isEqual() is time-constant. Thi...

   Arrays.equal(),MessageDigest.isEqual(),Java,Security     2015-05-14 22:03:29

  Resolve SystemStackError issue when resolving IP address in Ruby

In Ruby, Resolv is the default DNS resolution implementation. It can be used to resolve IP address of a hostname. To use it, one just needs to require 'resolv' in the code. But sometimes, a user would want to check /etc/hosts first or some other mechanisms to resolve an IP address. In this case, one can require 'resolv-replace' and then replace the default DNS resolvers with customized DNS resolvers. For example, using resolv-replace, one would write require 'resolv-replace' Resolv::DefaultResol...

   RUBY,RUBY ON RAILS,NETWORK     2017-07-08 09:54:35

  jQuery 2.0 will drop support for some IE6/7/8 oddities

jQuery official website releases its road map for the future jQuery development. This road map reveals that jQuery 1.8 will be released within a month and other consecutive versions will follow the following release plan:jQuery 1.9 (early 2013): many of the interfaces already deprecated in version 1.8 will be removed; some of them will be available as plugins or alternative APIs supported by the jQuery project. IE 6/7/8 will be supported as today.jQuery 1.9.x (ongoing in 2013 and beyond): This v...

   jQuery 2.0,jQuery,IE support     2012-06-29 05:20:27

  Will Intel acquire Nvidia?

According to BrightSideofnews, Intel may acquire Nvidia, Nvidia CEO Jen-Hsun Huang will likely serve as Intel's new CEO.It is reported that the two sides have begun to have some negotiations, but details are still unknown. Intel CEO and President Paul Otellini has decided to retire in May next year,  The board of directors said Intel's new CEO may not come from Intel internal, now they are in the process of finding new CEO.Intel CEO Paul Otellini is thought of performing poorly in the...

   Intel,Nvidia,CEO     2012-12-14 13:08:12

  Cleansing data with Pig and storing JSON format to HBase with Pig UDF

Introduction This post will explain you the way to clean data and store JSON format to HBase. Hadoop architect experts also explain Apache Pig and its advantages in Hadoop in this post. Read more and find out how they do it. This post contains steps to do some basic clean the duplication data and convert the data to JSON format to store to HBase. Actually, we have some built-in lib to parse JSON in Pig but it is important to manipulate the JSON data in Java code before store to HBase. Apache Pig...

   JSON,HADOOP ARCHITECT,APACHE HBASE,PIG UDF     2016-06-10 01:13:41

  Secure Your Go Code With Vulnerability Check Tool

Security vulnerabilities exist in any language and any code, some are written by ourselves, but more are from the upstream dependencies, even the underlying Linux. We have discussed the security protection methods for Go and Kubernetes Image in Path to a Perfect Go Dockerfile and Image Vulnerability Scanning for Optimal Kubernetes Security, in which the security scanning was performed based on generic. As the Go community grows, more and more open-source packages have caused ...

   GOVULNCHECK,GOSEC,GOLANG     2022-10-29 23:43:20

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