Requirement: Design a system to take user-provided URL and transform them to a shortened URL that redirect back to original.
How to evaluation a system design? Continue reading
Several points to provide TinyURL solution
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Category Archives: Others
Asynchronous method invocation in Spring Framework
Since Spring 3.0, annotation support for both task scheduling and asynchronous method execution has been added. The post will give a demo of @Async annotation and its uses. Continue reading
How to check if a radio button is checked using JQuery
It is easy to check if a radio button is checked using JQuery.
For Example:
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<input type="radio" name="gender" value="Male" /> <input type="radio" name="gender" value="Female" /> |
How to display double or float data with 2 decimal places in Java?
There are multiple approaches to display double or float data with 2 decimal places in Java. The post presents a way using DecimalFormat. Continue reading
Java Properties File Processing
Java properties file (with extention .properties) is normally used to store the configurable parameters or strings for Internationalization and localization. In the file, each parameter is stored as a key/value pair of strings. Continue reading
How to Optimize Tomcat Performance
The default Tomcat configuration looks powerful and hassle-free to the 1st time users. However, it is not customized for the real work where high server load can be expected. Therefore, it is important to optimize Tomcat performance by setting customization and system tuning.
The post will describe how to optimize Tomcat performance. Continue reading
How to Remove Meta Generator WordPress
Assuming you are using WordPress 4.x, and want to remove the meta tag in each page like:
<meta name="generator" content="WordPress 4.1" /> Continue reading
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