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  CSS Selector for Web Scraping

Creating a web scraper is no easy task. This is because it requires precision to identify the specific data points that we intend to collect for the end goal we are working towards.  Whether we are looking to create a marketing content database or analyze market trends, the last thing we need from our scraper is for it to return a lot of unnecessary data that will not help our cause. To avoid the inconvenience of going through huge amounts of data to get what we requested, it is crucial to ...

   CSS,WEB DESIGN,SELECTOR     2023-02-20 07:32:53

  Using public key authentication in SSH

SSH is a popular cryptographic network protocol for secure network service operation. It is frequently used in remote server login. For a system administrator or software developer, SSH is frequently used to access remote servers or development servers or testing servers etc.  To login with SSH, there are different authentication mechanisms : password, public key and interactive etc. If a remote server needs to be accessed frequently, password authentication may be too troublesome as p...

   LINUX,DEBUG,SSH,PUBLIC KEY     2016-09-10 05:55:46

  How does JGSS read Windows native TGT credential?

MS LSA is a protected subsystem that authenticates and logs users onto the local system. The user credential is stored at the native credential cache of LSA on Windows. This kind of credential is often used to authenticate the user to the server, one of the authentication methods is Kerberos. JGSS has provided a native interface which can read the native TGT credential and use it to get the TGS of a service. But how does JGSS read the native TGT credential? Here is a sample code for reading nati...

   KERBEROS,JGSS,MS LSA,NATIVE CREDENTIAL,TGT,SESSION KEY TYPE     2015-03-25 03:42:32

  Why developers need a Mac

I am by no means an Apple fan. For one thing, I find Windows (and Linux) stable and fast, so you are not going to hear me argue that my computing life was transformed once I made that Switch (with a capital letter). Admittedly that is partly because I am familiar with how to fix and tune Windows and remove foistware, but it is not that hard. For another, I am not an admirer of Apple’s secretive approach, or the fact that most requests for comment from journalists are responded to wi...

   Apple,Mac,Development,iOS,Windows     2011-12-07 03:12:17

  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

  Click and Drag on xkcd

xkcd is a webcomic created by Randall Munroe. The comic's tagline describes it as "a webcomic of romance, sarcasm, math, and language." Also some webcomics about IT may frequently appear on it. For example, the following one-- People who know Unix will understand it easily. In fact, xkcd is a Geek culture, many comics inside this site can only understood by some specified group of people. The comic began in September 2005 when Munroe decided to scan doodles from hi...

   xkcd, 1110,Click and Drag     2012-11-05 11:23:19

  Upcoming Product from Nokia: Nokia 2

With the emergence of telephone, the field of communication has seen a revolution. It was the time when people were able to talk to each other on the phone directly, and the reliance on letters was just reduced. Later entered the cell phones where the users were able to communicate with a phone call or even with SMS. The cell phones made it easy for the users to talk to each other even if they are moving from one place to another. To add value to the cell phones then entered the smartphones to t...

   SMARTPHONE,NOKIA 2     2017-11-06 23:29:02

  10 things you gotta have to succeed in IT

Takeaway: Everyone seems to agree that IT is a tough field. But what does it take to overcome the adversities and become a successful IT pro? These qualities may be the key. I recently wrote a string of articles discussing various reasons to leave IT — and various alternative careers for dissatisfied IT workers. I received an amazing amount of feedback from readers who have always wanted to express similar sentiments. But that leaves out a huge swath of peo...

   Tips,IT,Development     2011-07-21 21:55:13

  The Number One Trait of a Great Developer

Maybe the best programmers aren’t those who spectacularly solve crazy problems, but those who don’t create them, which is much more silent. – Lena HerrmannWhen I look around at other companies hiring Ruby on Rails developers, I see them focusing on three major traits: Super-smart; Large community following; Deep Ruby knowledge. They’re all wrong. While these are great aspects in moderation, they all miss the number one quality of a fantastic developer: Judge...

   Developer,Trait,Judgement,No. 1     2011-11-05 06:49:19

  File upload once again

File upload is one of the oldest operation of web design. After 20 years, it's still has no big change, difficult to handle, lack of interaction and poor user experience. Web developers have thought many methods to improve the experience of uploading file in web apps, they developed various plugins based on different JavaScript libraries. However, because of the difference among different web browsers, there is no common interface which makes these plugins work properly or easily on all web brow...

   Web design, File upload, Asynchronous,HTML5     2012-09-02 11:52:21

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