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History of Spring Framework and Spring Boot
In October 2002, Rod Johnson wrote a book titled "Expert One-on-One J2EE Design and Development". Published by Wrox, this book covered the state of Java enterprise application development at the time and pointed out a number of major deficiencies with Java EE and EJB component framework. In the book he proposed a simpler solution based on ordinary java classes (POJO – plain old java objects) and dependency injection. ... One-on-One J2EE Design and Development was an instant hit. Much...
@Article  @Concept  @Comparison  History  Java  Software  Programming  Framework  OOAD  HabitRoutineAndPattern  Anecdote  OpenSource  EncapsulationAndDecoupling 
24 days ago by jslu
When Functional Programming Isn't Functional | LeadingAgileLeadingAgile
Using lambda expressions in an OO language doesn’t make you a functional programmer, but using ideas from the FP community to produce clean OO code is a Good Thing. OO code that uses a functional style will tend to have fewer problems of the kinds that arise from hidden side effects and poor separation of concerns. Lambda expressions are readable and expressive of intent for sections of code that process lists or collections; often more so than iteration.
@Article  @Concept  @Comparison  @Example  Functional  OOAD  Software  Programming  InterpersonalCommunication  Self-expression 
24 days ago by jslu
A Practical Introduction to Blockchain with Python // Adil Moujahid // Data Analytics and more
Putting aside all the hype around the price of Bitcoin and other cryptocurrencies, the goal of this blog post is to give you a practical introduction to blockchain technology. Sections 1 and 2 cover some core concepts behind blockchain, while section 3 shows how to implement a blockchain using Python. We will also implement 2 web applications to make it easy for end users to interact with our blockchain.
@Article  @Concept  @HOWTO  @Reference  @Example  Blockchain  Security  DistributedSystem  Database  Tutorial 
6 weeks ago by jslu
Adrian Sampson: LLVM for Grad Students
This is an introduction to doing research with the LLVM compiler infrastructure. It should be enough for a grad student to go from mostly uninterested in compilers to excited to use LLVM to do great work.
@Article  @Reference  @Research  Computation  Software  Programming  Language 
11 weeks ago by jslu
如今我这样科学上网 – Unbinilium – Medium
故本文将详细介绍如何创造一个安全快速的个人科学上网服务环境;涉及服务端的选择,搭建、优化、安全性加强和客户端的选择,以达到更好的科学上网体验;适合有一定知识的Linux用户和善于使用搜索引擎的小白阅读
@Article  @HOWTO  @Reference  China  VPN  Software  Internet  Security  CrossPlatform  Tutorial 
12 weeks ago by jslu
[Weismile生活] 2017/2018整理比較海外刷卡手續費費用與海外刷卡現金回饋信用卡優勢
當回饋大於>手續費!!就推薦申辦,不過如果沒也常出國,其實也可精算一下是否需要!如果常出國就一定是推薦要辦一張!以weiwei自己來說,假設每次出國都花10萬台幣(一年下來至少手續費就要1萬台幣了!(一萬台幣至少也有個日本來回近兩趟了))而且這個時候如果有一張信用卡可以有海外現金回饋的信用卡那就太重要了因為扣掉手續費之外還可以刷卡賺現金,超划算!
@Article  Finance  Travel 
january 2018 by jslu
[惠站长] 搬瓦工SS配置多用户教程
搬瓦工BandwagonHost给了我们非常方便的一键搭建SS shadowsocks的功能,一键搭建ss的教程可以参考搬瓦工一键SS教程。一键ss固然很方便,但是其只提供了一个ss账号供我们使用,如果我们想配置多个ss账号应该怎么操作呢?这需要我们修改shadowsocks的配置文件。
@Article  @HOWTO  China  VPN  Software  Security  Internet  Tutorial 
january 2018 by jslu
[世界公民文化中心] 想讀懂新聞英文,先看懂「新聞時態」
許多人在練習新聞英文時,新聞的標題讀起來時常似懂非懂,部分字彙為了精簡內容會省略冠詞、be動詞,與一般英文的習慣不盡相同,最大的特色就在時態,因為新聞想要表現時間的臨場感、時間感,用了大量的現在式,為的就是不讓讀者覺得是過去的事件,所以有一種好像新聞標題都看不見過去式的錯覺,這裡列出幾項新聞英文常用的時態與意思。
@Article  @Concept  @HOWTO  @Example  InterpersonalCommunication  English  Feeling  Reading  Writing 
january 2018 by jslu
[DataStax] A deep look at the CQL WHERE clause
While they share similar syntaxes, there are lots of differences between CQL and SQL. The reasons for these differences come mainly from the fact that Cassandra is dealing with distributed data and aims to prevent inefficient queries. One of the places where CQL differs a lot from SQL is the WHERE clause. The goal of this post is to describe what is supported by the CQL WHERE clause and the reasons why it differs from normal SQL.
@Article  @Concept  @Comparison  Database  BigData  DistributedSystem  Fault-tolerance  Tutorial 
january 2018 by jslu
[Capterra] The 8 Best Free and Open Source Help Desk Software Tools
Misplacing tickets, violating SLAs, frustrating customers, and sometimes losing them—all signs point to a need for a better system. The only problem is, the budget isn’t there to shell out $100 to $200 per month on software. To help get you started, and save you some cash, here are some great free and open source help desk software solutions on the market right now
@Article  @Reference  @Comparison  SysAdmin  IssueTracking  Software  ProjectManagement  TimeManagement  ServiceIndustry 
january 2018 by jslu
DKIM  寄件網域驗證技術簡介
由於SMTP規範的瑕疵(或者為了方便),寄件人的 Mail Address 和實際寄信的 Mail Server 是可以不一樣的。 ... DKIM的目的就是用來防止垃圾郵件製造者偽造您網域的寄件者來傳送郵件。 DKIM 使用簽章的方式,在外寄郵件的郵件標頭加上一個數位簽章,收件者只要檢查郵件中是否包含這個網域簽名,即可確認該郵件的寄件者地址確實屬於您網域中的地址,而且未在寄件途中遭到竄改。
@Article  @Concept  @HOWTO  @Example  Email  Security  SysAdmin  Tutorial 
january 2018 by jslu
[2017DoneRight] Sending emails with SMTP and Amazon SES in Ruby on Rails
In the past I have used services such as SendGrid and Mandrill. But since they switched Mandrill to an add-on for MailChimp premium users, Amazon SES in my opinion is the first choice for small to medium web applications. Cost of sending 40,000 emails per month with Amazon SES is mere $4 which is way cheaper than the other competitors.
@Article  @HOWTO  @Example  Email  CloudComputing  Security  Webapp  Tutorial 
january 2018 by jslu
[Technology Conversations] Java Build Tools: Ant vs Maven vs Gradle
Gradle combines good parts of both tools and builds on top of them with DSL and other improvements. It has Ant’s power and flexibility with Maven’s life-cycle and ease of use. The end result is a tool that was released in 2012 and gained a lot of attention in a short period of time. For example, Google adopted Gradle as the default build tool for the Android OS.
@Article  @Concept  @Example  @Comparison  Java  Software  Engineering 
january 2018 by jslu
[AgoraPulse] How Does Digital Marketing Differ From B2B to B2C?
B2B marketers have to create stellar content that takes time consuming research and impeccable presentation skills to reach a small pool of clients who may or may not hire them. Conversely, B2C companies have the overwhelming task of standing out in the crowd, reselling their product over and over to create customer loyalty, and appealing to an array of distinct personalities within one audience.
@Article  @HOWTO  @Comparison  B2B  Business  Marketing  SocialMedia  TargetAudience  Research  Branding  ContentStrategy 
january 2018 by jslu
[The Renaissance Developer] Idiomatic Ruby: writing beautiful code
As I think the more intuitive & faster the code is, a better software we’re building, in this post, I want to show you how I express my thoughts (A.K.A code) using Ruby in little snippets of code.
@Article  @HOWTO  @Example  Ruby  Software  Programming  Language  InterpersonalCommunication  MeaningManagement  HabitRoutineAndPattern  Tutorial  Tip 
december 2017 by jslu
[Brave New Geek] Building a Distributed Log from Scratch, Part 1: Storage Mechanics
Essentially, it’s a timestamp and an event, a when and a what, and typically appended to the end of a file. But when we generalize that pattern, we end up with something much more useful for a broad range of problems.
@Article  @Column  DistributedSystem  SystemArchitecture  DataSync  Software  Engineering  HabitRoutineAndPattern  Storage  Scalability  Cache  @Comparison  Fault-tolerance 
december 2017 by jslu
[Gamasutra] The sunk cost fallacy: Devs describe how it almost destroyed them
It's human nature to get attached to our work. ... you must learn to cut the overambitious, the unworkable, the self-indulgent. If you don't...well, as we're about to see, it can drag a project down and maybe even stretch the company's finances to breaking point — especially if keeping something you recognize is bad means putting in significant additional work.
@Article  @Concept  @Example  Engineering  HumanNature  InnerPeace  ProjectManagement 
december 2017 by jslu
[Miula 觀點] 成長駭客必備的MVP(最小可行產品)概念,到底哪個版本才比較正確?
其實 MVP 的概念,不在於最終的產品,而是在於一個商業觀念的市場驗證,做出第一個版本的產品來測試 PMF (Product-Market-Fit)。也就是說,其實最終產品是什麼,在一開始的時候根本不知道,或者是只有一個模糊的概念,但卻是隨時可以被替換更改的。為什麼要做最小可行產品 MVP 呢? 就是為了避免一開始就把整個產品都定義完成,但最後做出來的東西根本是市場不要的,而浪費了時間、金錢與精神。MVP 這個概念的真正精神,在於在市場測試後的修正彈性。
@Article  @Concept  @Comparison  Entrepreneurship  Feedback-receiving  Agility  Productivity  UnexpectednessUncertaintyAndImpermanence  LearningFromFailure  Business 
december 2017 by jslu

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