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  Does My Online Business Need Log Aggregation?

Logs crop up all over the place. They are generated by everything from web servers and databases to the firewalls which protect them from breaches. Because logs accumulate in large volumes from all of these different sources, log aggregation is an important process which works to organize and impose order over otherwise disparate log files. That sounds good, but should your online business be eager to jump on the log aggregation bandwagon? Here is a look at the main benefits and considerations t...

   SOFTWARE DESIGN,LOG AGGREGATION     2021-10-12 21:44:39

  Java Concurrency Basics: CountDownLatch and CyclicBarrier

CountDownLatch CountDownLatch can be used in synchronizing behavior among threads, it makes one or more threads wait for some actions in other threads to be completed. It has a property count which defines how many countDown() need to be called before other threads which called await() to be waked up.  When a thread calls CountDownLatch.await(), the thread will be blocked until the value of count becomes 0. The initial value of count can be specified when creating the CountDownLatch instanc...

   JAVA,JAVA CONCURRENCY,COUNTDOWNLATCH,CYCLICBARRIER     2018-03-25 07:02:40

  A re-introduction to JavaScript

Introduction Why a re-introduction? Because JavaScript has a reasonable claim to being the world's most misunderstood programming language. While often derided as a toy, beneath its deceptive simplicity lie some powerful language features. 2005 saw the launch of a number of high-profile JavaScript applications, showing that deeper knowledge of this technology is an important skill for any web developer. It's useful to start with an idea of the language's history. JavaScript was created in 1...

   JavaScript,Types,Array,Re-introduction,OOP     2012-02-09 05:38:08

  Remove browse button from input type=file

In Web 2.0 era, many websites will ask the user to upload their avatar when creating their profile. In HTML, the input control we should use is input="file". This is a file control provided by the browser vendor and it should be ran in a sandbox for security consideration. Browsers don't provide ways to choose file from local and upload to the remote server without the input="file" control.  There is one annoying part about the input="file", which is a default button named "Choose File" or...

   file,html,browse,remove browse button     2015-07-12 05:17:51

  PHP Security

1. IntroductionWriting PHP applications is pretty easy. Most people grasp the syntax rather quickly and will within short time be able to produce a script that works using tutorials, references, books, and help forum forums like the one we have here at PHP Freaks. The problem is that most people forget one of the most important aspects that one must consider when writing PHP applications. Many beginners forget the security aspect of PHP. Generally, your users are nice people, they will...

   PHP,Security,SQL Injection,XSS Cross sit     2011-10-01 02:25:31

  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

  Kubernetes Authentication & Authorization 101

If we want to build a system with user modules, Authentication and Authorization are something that we can never ignore, though they could be fuzzy to understand. Authentication (from Greek: αὐθεντικÏŒς authentikos, “real, genuine”, from αὐθέντης authentes, “author”) is the act of proving an assertion, such as the identity of a computer s...

   RBAC,AUTHORIZATION,AUTHENTICATION,KUBERNETES     2021-06-05 23:19:18

  STOP WRITING GOOD CODE; START WRITING GOOD SOFTWARE

Good software trumps elaborate code. And unfortunately, you can’t usually have both. The real world has deadlines and ship dates. It’s a game of pick two:Ship on timeShip with elaborate codeShip with a fantastic productAlmost always, you should pick the first and the last when you’re building software applications for users (if you’re building API’s or open source libraries for other developers, then it’s a different story). Too often I have seen de...

   Good software,Standard,Good code,Deadline,Tradeoff     2011-11-20 06:56:06

  Building Security onto Your Mobile Application

Analysts state that more than 75% of the mobile applications will fail the basic security tests in 2015 – Gartner Research. Enterprises that follow the Bring Your Own Device (BYOD) approach and facilitate mobile computing to their employees are susceptible to security threats and other vulnerabilities, unless they implement stringent security measures. In the development or deployment of mobile applications, a business can be severely impacted both financially and otherwise, if they are to...

   Web Application Development Company, iPhone App Development Company     2015-08-21 07:22:32

  Stop Designing Pages And Start Designing Flows

For designers, it’s easy to jump right into the design phase of a website before giving the user experience the consideration it deserves. Too often, we prematurely turn our focus to page design and information architecture, when we should focus on the user flows that need to be supported by our designs. It’s time to make the user flows a bigger priority in our design process. Design flows that are tied to clear objectives allow us to create a ...

   Web design,Paradigm,Advice,User experience,Flow     2012-01-05 08:16:18

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