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  this keyword in Lambda expression in Java 8

Since the release of Java 8, people are excited to see a big feature added to this language which is existing in other languages for a long time -- Lambda expression. The introduction of lambda expression in Java 8 gives people an easy way or a vertical to horizontal way to solve problems. There are many posts on the Internet which shows how to use lambda expression in Java, such as Lambda Quick Start and Java 8 Lambda Expressions Tutorial with Examples. In this post, we will only focus on the t...

   THIS,LAMBDA EXPRESSION,JAVA 8     2014-06-01 03:57:05

  Functional Programming Is Hard, That's Why It's Good

Odds are, you don’t use a functional programming language every day. You probably aren’t getting paid to write code in Scala, Haskell, Erlang, F#, or a Lisp Dialect. The vast majority of people in the industry use OO languages like Python, Ruby, Java or C#–and they’re happy with them. Sure, they might occasionally use a “functional feature” like “blocks” now and then, but they aren’t writing functional code.And yet, for years we’v...

   Functional Programming,Hard,Difficult,Reason to learn,Good     2011-10-18 02:55:38

  Advice From An Old Programmer

You've finished this book and have decided to continue with programming. Maybe it will be a career for you, or maybe it will be a hobby. You'll need some advice to make sure you continue on the right path, and get the most enjoyment out of your newly chosen activity. I've been programming for a very long time. So long that it's incredibly boring to me. At the time that I wrote this book, I knew about 20 programming languages and could learn new ones in about a day to a week depending on how w...

   Advice,Programming,Python,Old programmer     2012-03-08 13:51:11

  What is goroutine?

Casual Talk Golang is quite enjoyable to write, aside from the tedious if err != nil checks. One of the fundamental reasons for the joy is goroutine, a core feature of Golang. Understanding goroutines in detail is worthwhile, as they contribute significantly to the pleasure of working with Golang. So, let's talk about goroutines, hoping to provide some insights to the readers. TL;DR: We'll start by talking about assembling a computer, then delve into some concepts of the operating system, such ...

   EXPLANATION,GOLANG,GOROUTINE     2024-01-21 03:26:10

  Build a Kubectl Plugin from Scratch

by author The command-line tool kubectl is indispensable when using Kubernetes. You need it to query related Pod and Service information both in developing or performing some maintenance operations, such as events, scale, rolling update, etc. However, when using kubectl, there are many inconveniences. Though Kubernetes is officially maintaining kubectl¹, and you can submit the problems, improvement, and even PR in its Github Issues, you still have to wait long before its release. The m...

   KUBENETES,KUBECTL,PLUGIN,GOLANG     2020-12-02 03:43:16

  Penrose Tiling in Obfuscated Python

Here’s a Python script which renders some Penrose tiling. Yes, this is valid Python code: _ =\ """if! 1:"e,V=100 0,(0j-1)**-.2; v,S=.5/ V.real, [(0,0,4 *e,4*e* V)];w=1 -v"def! E(T,A, B,C):P ,Q,R=B*w+ A*v,B*w+C ...

   Python,Disorder,Code,Writing,Style     2011-09-14 11:57:34

  Program Or Be Programmed

On Thursday night I gave a talk at NYU Poly and in the Q&A a young man asked me for advice for "those who aren't technical". I said he should try to get technical. The next morning I met with a bunch of Sloan Business School students doing a trek through NYC. A young woman asked me the same question. I gave her the same answer.I don't mean that everyone should become a software engineer. I do mean that everyone should understand software engineering (or whatever technical...

   Program,Technical,Basic knowledge     2011-11-10 10:31:02

  UC browser won Readers' Choice Award

China's leading mobile Internet software technology and application service provider UC excellent, its flagship product, UC browser, following the 2011 recommended by the world's leading classified information site About.com named the Readers' Choice Award in best mobile browser category, is once again awarded by About.com as Reader's Choice Award in Best Android Browser category. UC browser comes out on top in the About.com selection in two consecutive years.About.com, a part of The New York T...

   UC,About.com,Readers' Choice Aeard,2012     2012-04-03 08:08:03

  Lisp: It's Not About Macros, It's About Read

Note: the examples here only work with outlet lisp. Refer to your version of lisp/scheme’s documentation for how read works (and possibly other forms) I know it’s an old post by now, but something about the article Why I love Common Lisp and hate Java, part II rubbed me the wrong way. The examples just aren’t that good. The usage of macros is plain baffling, when a function would have been fine. The author admits this, but still does it. There’s a follow-up post wh...

   Lisp,Macro,Read,Java     2012-02-19 06:12:19

  Meta tag in HTML header

In server response, we can use response.setHeader() to set the meta information in header of a HTML page. The usage is response.setHeader(name,context); meta is used to simulate the response header of HTTP protocol in HTML page. It should be put between the <head> and </head> tag. 1. <meta name="Generator" content="" > <!--This is to specify the tool which generates this page such as Microsoft FrontPage 4.0 etc --> 2. <meta name="keywords" content=""> <!-- To tel...

   HTTP,meta,HTML,head     2013-05-22 11:34:08

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