SEARCH KEYWORD -- Linux server
Some thoughts about Facebook native app
On Techcrunch Disrupt last month, Facebook CEO Mark Zuckerberg's remarks about their mobile app sparked a denunciation against Web App. HTML 5 seems to have become the bottleneck of poor experience of all related mobile applications. From the user perspective, Facebook native iOS App rates from the 1.5 star to four star now; since the introduction of new native app, the user usage is doubled. It's not easy to have a huge rise of user usage for such a big app like Facebook. Especially consid...
Facebook, Native app, Analysis 2012-10-12 20:38:11
Bash Shell Scripting - 10 Seconds Guide
This Bash shell scripting guide is not a detailed study but a quick reference to the BASH syntax. So lets begin... Common environment variables PATH - Sets the search path for any executable command. Similar to the PATH variable in MSDOS. HOME - Home directory of the user. MAIL - Contains the path to the location where mail addressed to the user is stored. IFS - Contains a string of characters which are used as word seperators in the command line. The string normally consists of the spac...
Bash,Shell,Linux,Tutorial,10 seconds,Shortcut key 2012-02-28 08:05:41
20 Database Design Best Practices
Use well defined and consistent names for tables and columns (e.g. School, StudentCourse, CourseID ...).Use singular for table names (i.e. use StudentCourse instead of StudentCourses). Table represents a collection of entities, there is no need for plural names.Don’t use spaces for table names. Otherwise you will have to use ‘{‘, ‘[‘, ‘“’ etc. characters to define tables (i.e. for accesing table Student Course you'll write “Student Cour...
Database design,20 tips,Well defined name,Design pattern 2012-02-07 12:10:48
What does a contemporary web developer need to know?
The early ages of web era mainly consisted of webpages of text and links. At that time,Netscape was the still dominant of web browser market. As a web developer, you could develop web apps(or better to call web pages) easily with knowledge of HTML only. But with the evolution of web, new technologies came out, we can see more robust web apps around us everywhere. Today as a web developer, the ability to run and configure a web server and edit HTML to create some simple web pages has lost almost ...
Web design,Advice 2013-12-20 06:31:51
aspã€phpã€asp.netã€jsp介ç»åŠä¼˜ç¼ºç‚¹æ¯”较
现在主æµçš„网站开å‘è¯è¨€æ— 外乎aspã€phpã€asp.netã€jspç‰ã€‚ 网页从开始简å•çš„hmtl到å¤æ‚çš„æœåŠ¡è¯è¨€ï¼Œèµ°è¿‡äº†10多个年头,å„ç§æŠ€æœ¯å±‚出ä¸ç©·ï¼Œå•ä¸ªçš„主æµæŠ€æœ¯ä¹Ÿåœ¨ä¸æ–翻新的版本,现在分...
Unknown system variable 'query_cache_size' in DbVisualizer while accessing MySQL
DbVisualizer is a very popular GUI application to view the data stored on a database. It supports various databases such as Oracle, MySQL etc. It relies on different database drivers to connect to the database server and access the data stored there. In this post, we will try to solve one problem when accessing the latest MySQL database(8.0+) through DbVisualizer. MySQL database starting from 8.0 has lots of changes which may not be compatible with old version of software or libraries whic...
MYSQL,MYSQL 8,DBVISUALIZER,QUERY_CACHE_SIZE 2018-06-30 03:48:17
Learning Python as your first programming language
Python is a widely used general-purpose, high-level programming language Its design philosophy emphasizes code readability, and its syntax allows programmers to express concepts in fewer lines of code than would be possible in languages such as C. Python now becomes more and more popular and is now being used the first teaching language in some universities. Why would you like to learn Python as your first programming language? Below are the reasons. Python is a high-level language with dynami...
Additional steps need to implement to setup shadow-boxV2 OPTEE on Raspberry PI
We followed the Shadow-box v2 project from the https://github.com/kkamagui/shadow-box-for-arm to set up the trustZone on Raspberry PI modeB to protect the Linux Kernel. But got a problem when doing the step: [3.6.5. Activate Shadow-Box for ARM and Start Secure Pi!] to create the hash for the memory area. The result is not shown. If you met the same problem, this is what I did to fix the problem on my PI: 1.1 When we do the step [3.5.1. Copy OP-TEE OS with Shadow-Box for ARM and N...
HARDWARE,RASPBERRY PI 2019-05-20 08:52:55
Build Hadoop environment in Linux
Hadoop standalone installation: 1. Install JDK Install JDK with below command: sudo apt-get install sun-java6-jdk Configure Java environment, open /etc/profile, add below contents: export JAVA_HOME = (Java installation directory) export CLASSPATH =".:$JAVA_HOME/lib:$CLASSPATH" export PATH = "$JAVA_HOME/:PATH" Verify installation of Java Type java --version, if it outputs Java version information, then Java is successfully installed. 2. Install SSH Install SSH with below command: sudo ...
Hadoop.Linux,Configuration 2013-07-31 23:22:27
Nimbula 'cloud operating system' spans data centers
Nimbula – the build-your-own-cloud outfit founded by Amazon's former vice president of engineering – has announced a new release of its Director platform, saying it will allow businesses to run a unified "infrastructure cloud" across geographically separate data centers. In short, this means that those using such a cloud can log into a single console to tap computing resources served up from disparate physical locations. Nimbula says that Director is the first "cloud OS" t...
Nimbula,Cloud computing,Data center,Arch 2011-08-23 08:06:39
RECENT
- Common Pitfalls When Handling JSON in Golang
- Streamlining the Project Invoicing Process: Tools and Strategies
- Performance comparison of string concatenation in Go language
- Why init() is not recommended in Go
- The Role of Coding Skills in Advancing Tech Careers
- Tips for Socializing With Friends During College
- Proximity Cards Do More Than Just Open Doors
- How to choose quality painted auto parts
- Oval engagement rings from MoonOcean: Elegance of form and individual approach
- Hologres vs AWS Redshift
- more>>