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SEARCH KEYWORD -- Unit testing

  The concept of Iterative Model in a Software Development Life Cycle (SDLC)

The iterative model implemented in any Software Development Life Cycle is all about an initial, simplified implementation which may or may not gain more complexity in future. Furthermore, it is can even be called as a broader feature set until and unless the final system is accomplished. Now while discussing the model, chances are there that he concept of incremental development will also often be used liberally and interchangeably. This means incremental alterations made during the design and i...

   SOFTWARE DEVELOPMENT,SDLC,ITERATIVE MODEL,SOFTWARE DEVELOPMENT LIFE CYCLE     2017-09-11 06:02:39

  Solve Hibernate "Too many connections" issue in MySQL

When working with Hibernate and MySQL, sometimes some exceptions will be thrown after sometime. The exception may seem like : java.sql.SQLException: Data source rejected establishment of connection, message from server: "Too many connections" This means there are too many active connections on the MySQL, you can use SHOW STATUS LIKE '%Threads_connected%'; to check the active connections to MySQL. If you want to change the maximum connections allowed to MySQL. You can execute: set global max_co...

   MySQL,Hibernate,Clos     2013-09-04 22:20:49

  Intel disclosed more configuration details of Win8 Tablet PC

Intel disclosed more hardware configuration information for future Windows 8 Tablet PC in a conference in Beijing on Thursday  Tablet PC equipped with Microsoft new operating system is expected to be released in the second half of this year.Intel shows a Win8 Tablet PC model with Clover Trail platform Atom Z2760 processor, the dual-core processor support "burst mode" (burst mode, when needed to quickly improve performance) and Hyper-Threading Hyper-Threading can make dual-core chips in some...

   Intel,Win8 Hardware comfiguration     2012-04-14 00:20:47

  Some lovely software design quotes

  Every time when I read technical books, I like reading the quote of a famous person at the start of a chapter(if any), usually they are very interesting. Here is a collection of famous quotes. Life’s too short to build something nobody wants – Ash Maurya, Running Lean author Give someone a program, you frustrate them for a day; teach them how to program, you frustrate them for a lifetime. – David Leinweber There are two ways of constructing a software design: One way is...

   Quote,Software design     2012-10-13 09:13:34

  Weibo is testing an Instagram like app called Lvzhou

Weibo, the Chinese version of Twitter, is testing an Instagram like app called Lvzhou(Oasis in English). Now only invited people can access the app. You can download the app on App Store if you are an iPhone user or you can download online if you are an Android user. The vision of this app is to allow users to discover beautiful world, users can post photos or short videos and share with the rest of the world. Before you can access the app, you have to obtain an invitation code shared by y...

   INSTAGRAM,WEIBO,LVZHOU,OASIS     2019-09-07 09:59:54

  Why I love everything you hate about Java

If you’re one of those hipster programmers who loves Clojure, Ruby, Scala, Erlang, or whatever, you probably deeply loathe Java and all of its giant configuration files and bloated APIs of AbstractFactoryFactoryInterfaces. I used to hate all that stuff too. But you know what? After working for all these months on these huge pieces of Twitter infrastructure I’ve started to love the AbstractFactoryFactories. Let me explain why. Consider this little Scala program. It uses â€Å...

   Java,Comparison,Modularity,API     2011-11-29 08:48:15

  Making Your Tech Conference Presentation, and Experience, Not Suck

Tech conferences are incredibly expensive, and not just in dollars. Even free conferences like BarCamps incur the expense of the attendee’s time. Taking time off from work or family is a hassle at the very least, and it’s time that isn’t billable. The draw of the conference boils down to those 45 minute sessions, and speaker and attendee alike should make the most of it. Speakers often start off by wasting time. They front-load the presentation with worthless informatio...

   Soft skill,Tech presentation,Advice,Highlight     2011-12-20 08:50:00

  New Android simulator has some big improvements

Message from the Android developer blog, the Android emulator now has a number of improvements and optimizations. It allows developers to develop applications more conveniently.The Android emulator is an important tool for Android developers developing and testing applications. Due to the rapid growth of Android hardware, the simulator has been slightly left behind. The new simulator brings some new functions including support for GPU, the CPU acceleration sensor support, multi-touch input suppo...

   Android, Simulator,GPU,OpenGL     2012-04-10 13:02:31

  Understanding PGO in GoLang 1.20

Background The Go 1.20 version was officially released in February 2023, it introduced the PGO(Profile Guided Optimization) mechanism. The basic principle of PGO can be divided into the following two steps: First, profiling is performed on the program to collect data about the program's runtime and generate a profiling file. When compiling the program, enable the PGO option, and the compiler will optimize the program's performance based on the content in the .pgo file. When compiling a program...

   GO 1.20,PGO,GOLANG     2023-02-28 04:27:46

  Apple investigating new iPad WiFi issues, tells AppleCare to replace affected units

According to an internal AppleCare document, Apple is actively investigating a series of WiFi-related issues affecting the third-generation iPad. Since the new iPad’s launch, many users have been complaining about third-generation iPad WiFi issues ranging from connection drops, slow download and upload speeds, or the device’s inability to even pickup local WiFi networks. A thread discussing the issue exists on Apple’s online support forums has almost amassed 700 repl...

   Apple,iPad,Wifi,Hardware issue     2012-04-06 01:37:59

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