Category: Open Source

Hadoop Logo Distributed System Infrastructure Hadoop

Hadoop is a distributed system infrastructure developed by the Apache Foundation. It allows users to develop distributed applications without needing to understand the underlying details of distributed computing, fully leveraging the power of clusters for high-speed computation and storage. Hadoop implements a distributed file system (Hadoop Distributed File …

Analysis of Nginx .htaccess Support

Previously, I discussed with Wang Yi in the Typecho development group about the issue of Nginx supporting .htaccess files. Wang Yi believed that Nginx could support .htaccess rules and be compatible with Apache rules. I think Nginx supports using .htaccess files to store Nginx’s pseudo-static rules, but is not compatible with .htaccess …

PHPCMS v9 content_output.class.php Line 338 Error Fix

I’m officially saying goodbye to Dedecms after using it for 5 years鈥擨 simply couldn’t fend off the endless attacks anymore! After battling it out for several weeks, the malware is finally gone~~~~ but at the cost of not even being able to add articles myself!~~ So frustrating! I made up my mind to switch to Phpcms, and what a switch it was~~ I also uncovered over 5,000 spam accounts; no wonder the database was …

How to Capture Iframe Load Complete Event With jQuery

Today in a project, I used AJAX to fetch data lists from the backend and then display them. At the same time, the total course duration and the total time already studied from the data were passed to an iframe. Inside this iframe, amCharts was used to render bar charts and pie charts. However, the iframe kept failing to refresh…

jQuery: $post, $get, $ajax and PHP — Implementing Async Loading

What is async loading?
The simplest way to put it is: inserting data from another page into the current page using functions like append() or html(). In plain JS, this means inserting responseXML or responseText into the page.
The other page can be static, dynamic, or even JSON/XML data.
The principle is basically the same — for pages, it’s convenient, just grab the code we want and insert it; for JSON and XML, we need to parse and place the appropriate data in the right spot.
Dynamic pages can also be parsed as long as they generate JSON or XML formatted pages.
The jQuery API usage:

PHP setcookie() Usage

//
setcookie(name, value, expire, path, domain, secure)

Returns true for success, false for failure. name and value are required, other parameters are optional. expire is the cookie expiration time. time() + 3600 * 24 * 30 will set the Cooki …

Memcached Management and Monitoring Tool MemAdmin

MemAdmin is a visual management and monitoring tool for Memcached, developed with PHP5 & JQuery. It is lightweight and easy to operate. Key features: Server parameter monitoring 鈥?STATS, SETTINGS, ITEMS, SLABS, SIZES with real-time refresh. Server performance monitoring 鈥?GET, DELETE, INCR, DECR, CAS and more.