Lets start with the basics. The “netstat” command is quite useful for checking connections to your machine. If we wanted to see ALL of the connections (which i really recommend you don’t do unless you’re trying to debug something and then you should probably pipe it to a file) we could use the “netstat -a”…
This article will explain about different kinds of PHP handlers and how it will impact to each aspect of an application: from resources usage to security level of each. Understanding pros and cons of each handler might help you save much effort on tuning your website performance. The original article can be found at the…
Normally MySQL replication will stop whenever there is an error running a query on the slave. This happens in order for us to be able to identify the problem and fix it, and keep the data consistent with the mater that has sent the query. You can skip such errors, even if this is not recommended, as…
When working with replication on very big table, we may face problem when update table structure (such as adding an index, removing an index, adding a field, etc.). There are few cases (such as changing indexes) running a local sql is better than having it goes with replication, since the whole replication process will be…
If you are familiar with programming IDE such as MS Visual Studio, NetBean, Eclipse, etc., you might found that they come with their own formatting facility, but if you are using a multi-purpose editor such asNotepad++, then you may have to use a plugin to format your code. This tutorial will help you do code…
Below are some tips from WordPress pros from across the community. Many of the tips cover development, but there’s also advice on business, running your website and, of course, getting involved with the community. Image: Phil Oakley Tips For Developers USE EVERYTHING WORDPRESS HAS TO OFFER WordPress’ core can do a lot for you, without you…
When researching about Messaging Queue softwares, I found a very useful blog at http://nubyonrails.com/articles/about-this-blog-beanstalk-messaging-queue, so I decide to re-post here for future reference as well as for anyone who is interested in. FIGURE A Messaging queues are a tool for executing code without taxing your web application processes. Web developers often get into the rut of thinking…
It is easy to upload file from your local machine to a remote machine via popular file transfer protocols such as ftp, sftp, but how to transfer files between 2 Linux servers with command lines? This article will mention about this need by using scp. First, we must have scp in both machines. Install openssh-clients:…
Solr is the popular, blazing fast open source enterprise search platform from the Apache LuceneTM project. Its major features include powerful full-text search, hit highlighting, faceted search, near real-time indexing, dynamic clustering, database integration, rich document (e.g., Word, PDF) handling, and geospatial search. Solr is highly reliable, scalable and fault tolerant, providing distributed indexing, replication…
Google Ranking Factor Checklist 1. Positive ON-Page SEO Factors 2. Negative ON-Page SEO Factors 3. Positive OFF-Page SEO Factors 4. Negative OFF-Page SEO Factors Notes for the Above Factors Brief Google Update List – Panda The Sand Box Sources There are “over 200 SEO factors” that Google uses to rank pages in the Google search results (SERPs). What are the search engine optimization…