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  PHP buffer: output_buffering and ob_start

buffer is one piece of memory section, it is usually 4Kb in Linux. It is mainly used between different devices with different speed or different priorities. With buffer, the waiting time between different processes will be reduced. Here is one simple example, when you type something in a text editor, every time when you type a character, the operating system will not write it to the disk directly, instead it will write it to buffer first When the buffer is full, the data in the buffer will be wr...

   PHP buffer,output_buffering,ob_start     2013-06-20 22:54:15

  Guide to use Compass

Sass is one kind of CSS Preprocessor, it can make CSS development simple and maintainable. But to show its real power we may need to have Compass. This article is to introduce Compass. Once you learn Compass, your CSS development efficiency will be largely improved. Here we assume you have mastered the major uses of CSS, if you know Sass, then it's better. It's still ok if you don't know Sass. 1. What is Compass? In simple, Compass it the toolkit of Sass. Sass itself is only a compiler, Compass...

   Compass,CSS,Sass,Tutorial     2012-12-03 13:35:46

  Output a file with HTTP range header in PHP

When downloading a large file, we may encounter some network issues which causes download termination and only part of the file is downloaded. When the network connection resumes next time, we may need to redownload the file again from the beginning. In order to save bandwidth, http provides a Range parameter in its header which can control the file transfer flow. With the range parameter in the header, we can resume the download from where we stop. Here is a piece of PHP code snippet which uses...

   PHP, range,http, file transfer     2013-01-09 05:55:05

  How Java Application Developers Can Build Secure Internet Based Apps?

There are few compiled solution tested by experts to guide Java application development and maintenance team how they can start safe journey on Internet. Strong encryption, wise passwords, secure hardware are few of the tech tools that should be used by Java app development team to secure their Internet based apps.   The Internet is most amazing yet most risky platform where nobody knows either they are doing safe transaction on Internet or there is some dog watching out for data packets t...

   JAVA APPLICATION MAINTENANCE,JAVA APPLICATION DEVELOPMENT     2015-09-16 02:13:17

  User experience distance

Good user experience can narrow the gap between product and users, it can also improve the user efficiency and increase satisfaction and comfort of users. Here we talk about user experience distance with different examples: 1. Floating bubble layer When users need to delete one picture,they click on the "Delete" button, then the floating bubble layer appears to prompt the user to confirm the deletion, users only need to focus on the picture which reduces the visual burden, and also no need to mo...

   User experience, Design,Detail     2012-12-20 13:20:16

  Responsive Web Design

With the popularity of 3G, more and more people are surfing the Internet using mobile phones. Mobile devices are becoming common devices for accessing internet. So web design faces a big challenge which is how to display the same webpage on different devices with different screen  resolutions.Screen resolution of mobile device are usually not very large, the width is below 600px, while PC usually has a resolution over 1000px. It is not an easy task to display the same content with satisfyin...

   CSS,Web design,Layout,Response web design     2012-05-03 06:59:40

  MySQL index optimization

Problem description: We need to access a very big table which has 40 million records. In the table, id is the primary key and program_id is indexed. When executing a select query: select * from program_access_log where program_id between 1 and 4000 The above query executes very slowly, we thought it was because there were too many records in the table. So we added id in the where condition to limit the search so that each time only half a million records would be read. select * fr...

   MySQL,Index search, Partition     2012-12-26 13:14:20

  Simple Strategies to Boost Your Android Phone Security

Android is one of the safest operating systems for smartphones and tablets if used correctly. Unfortunately, only a third of Android users use the latest version, and older versions are far more vulnerable than newer ones. Not to mention that many manufacturers take their time when it comes to downloading the latest security patches. A news blog Android Authority ranked the fastest manufacturers in downloading system updates. Here are the results: LG - 78 days Motorola - 88 days HTC - 95 days S...

   ANDROID,DATA SECURITY     2019-02-19 07:36:46

  SIEM Big Data Visualization : Dashboard for Monitoring Scam Events in Critical Infrastructure

Project Design Purpose: In a Security Information and Event Management (SIEM) system, effective monitoring and visualization of scam events is crucial to detecting and responding to cyberattacks. Cybercriminals often use deceptive methods to exploit individuals or organizations, aiming to steal sensitive information, financial assets, or disrupt operations. This project seeks to develop a web plugin dashboard to help cybersecurity researchers and managers better understand the scope and impact ...

       2024-10-05 20:47:09

  Processing Unicode Data in Python - A Primer to Understand Non-English Data Processing

Introduction: Currently we live in a world where people of diverse cultures/backgrounds use electronic devices to express their ideas, do their daily work that earns them their daily bread, and entertain themselves using content that is created using their own language and so on. Naturally, in order to make all these things happen, any computational instrument, be it a laptop or a desktop computer, or a smartphone, or something else, should be capable enough to serve all of these things in a man...

   PYTHON,UNICODE,UTF-8,NON-ENGLISH DATA,ASCII CODE     2019-04-10 00:55:19

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