Today's Question:  What does your personal desk look like?        GIVE A SHOUT

SEARCH KEYWORD -- Java software development

  My ten development principles

After several years developing software, I have acquired a very a strong opinion on how software should be developed, I actually have come to the conclusion that everything boils down to 10 principles, that if well implemented, will make any software development successful. 1.- Customer first. “If we don’t take care of the customer… somebody else will.” Customer first means focusing from a customer perspective on real value for the product being developed,...

   Principle,Software,Development,Communica     2011-08-15 07:28:55

  Set file permission in Java

Prior to Java 6,  there is no good solution at the Java level to provide file permission management. You need to implement your own native methods or call the Runtime.exec() to invoke the system routine such as chmod in LInux. Since Java 6, Java introduces a set of methods which can be used to set the file permission at Java level. These methods include: File.setReadable(boolean); File.setWritable(boolean); FIle.setExecutable(boolean); File.setReadable(boolean, boolean); File.setWritable(bo...

   JAVA, FILE PERMISSION, POSIX,learnjava     2015-08-29 03:37:37

  Which web front-end framework to choose?

When doing web design, we often need to choose which front-end framework to use in order to provide great user experience and simplify the development. Also, compatibility problem can be solved by using front-end frameworks. Here is a list of front-end frameworks. Which one are you using? Which one do you prefer?1. Apache FlexApache Flex, is a software development kit for the development and deployment of cross-platform rich Internet applications based on the Adobe Flash platform. Initially deve...

   Web design,Front-end,Framework     2012-07-30 13:57:26

  Generate certificate in Java -- Certificate chain

In previous post, we have introduced the use of Certificate and how to generate self signed certificate using Java. In this post, we will show you how to generate a certificate chain. Sometimes we may only have a certificate request or we don't have a trusted certificate which can be used for business. Now we need to have a trusted CA to sign our certificate so that it can be used on SSL communications. To generate a certificate chain, we may first have our own certificate(A), then we may use ot...

   Java,Certificate chain,Creation, Pure Java     2014-07-30 08:24:52

  System programming is still there

System programming is the practice of writing system software. System software lives at a low level, interfacing directly with the kernel and core system libraries. Your shell and your text editor, your compiler and your debugger, your core utilities and system daemons are all system software. But so are the network server, the web server, and the database. These components are entirely system software, primarily if not exclusively interfacing with the kernel and the C library. But nowadays more...

   System programming     2014-02-27 05:46:48

  The requirements of DevOps development

DevOps has become a popular and commonly adopted software development model in IT industry in recent years. Its popularity is partially because it advocates it could improve software development efficiency, delivery speed and cost saving. This is especially favored by managers who become the main force to promote this type of development model in their companies. However, we must be cautious about DevOps model as well. With their advantages, they also bring challenges to development teams and th...

   AGILE,DEVOPS,SPRINT     2018-06-03 23:18:44

  Use Memory Analyzer Tool in Eclipse

When developing applications, we often encounter memory issues of an application. To analyze how much memory each class takes, we need to have some specific tools to assist us. One of them is Memory Analyzer Tool on Eclipse. The Eclipse Memory Analyzer is a fast and feature-rich Java heap analyzer that helps you find memory leaks and reduce memory consumption. To use the Memory Analyzer Tool, you first need to install it on Eclipse. You can go to Help -> Install New Software.... Paste  h...

   Memory analyzer tool, Eclipse,heap dump, HPROF     2014-10-28 07:22:35

  Singleton Design Pattern in Java

Singleton is frequently used in applications where resource may be expensive to create and no instance specific state needs to be maintained. For example, when creating database connection, a singleton may be needed. Today we will share the famous Singleton design pattern in Java. 1. Definition Singleton design pattern is a design pattern that restricts the instantiation of a class to one object. It is one of the most well-known design patterns. 2. Application Singleton ...

   DESIGN PATTERN,SINGLETON,MULTITHREAD,JAVA     2020-04-11 02:16:28

  One interesting story about Chinese software development

I have once seen an interesting complaint written by one foreigner about Beijing South Railway Station (China) on foursquare. It says: "There is simply no way to buy a ticket at the machine unless you have a Chinese ID. What the hell they have English interface for then?" Apparently,the foreigner cannot buy ticket because he doesn’t have Chinese ID but there still presents an English interface for foreigners on the vending machine. Because of my profession, I find this awkward situation w...

   Software design,User experience,Importance     2012-03-26 14:42:50

  Generating CSR using Java

A CSR(Certificate Signing Request) is a kind of request generated by an application and is to be sent to a Certificate Authority to create a signed certificate which can be distributed. It usually contains certificate information such as subject name, public key info and signature info. In Java, keytool can be used to generate a certificate request with option -certreq.  But sometimes if an application wants to create a CSR programmatically, keytool will not do a favor, instead you should u...

   JAVA,SECURITY,CSR,CERTIFICATE REQUEST     2016-05-25 04:49:17

RECENT