Author name: Yang Yang

Hello, I'm Yang. I build online businesses that please people. Want to join in and post some useful articles on Kavoir.com? Shoot me a message.

WordPress: Display Ads in Post Content and Only Display Ads in Old Posts

The title pretty much says it all. It’s 2 of the most useful AdSense ads tips for bloggers in my opinion. Obtrusive ads have the unnecessary effect of driving away readers after they have found what they needed. Unless you have amazingly great content, the chance of them becoming a loyal reader is rather low …

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PHP: Check if A String Contain Only Uppercase / Capital Letters

Sometimes you would want to check if a string is an acronym or an abbreviation by testing if it only contains capitalized letters from A to Z and nothing else. There are 2 ways to accomplish this simple task in PHP. ctype_upper() Use the native ctype_upper() function and you will know if the provided string …

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FFVCL – FFmpeg Delphi VCL for Video / Audio Apps Development

This post is dedicated to one of my friends, Coolie (not his real name but he preferred to be called that way among friends), a father and self-entrepreneur who created the outstanding Delphi VCL component for FFmpeg that makes it extremely easy to develop audio and video applications for Windows. For those who are not …

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Aweber, Mailchimp Alternative – Free Email Autoresponder Subscription

I’ve been with Aweber for nearly 2 years and they are good. But I eventually decided that newsletter is not my type of thing — there are people who are making big bucks by building and maintaining a high profile email list, but I’m just not one of them. So I left Aweber and switched …

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Review of uCertify Zend PHP-5 Exam PrepKit

Recently uCertify approached me and asked me to do blogging on about Zend PHP-5 exam PrepKit. Since this is an interesting topic to me and as I would get a free simulator, I agreed. uCertify produces the preparation kits for many different IT Certifications including Microsoft, Oracle, Cisco, CompTIA, Adobe, etc. The uCertify PrepEngine looks …

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Premium Magento Theme – Avalanche (Review)

Avalanche 15% Off Promo: Click here to get 15% discount off, then enter code KAVOIR in the box to claim the 15% discount off the Avalanche theme. After digging into Magento for a few months and trying to start my own tangible business (I only deal with digital goods as of now), I failed in …

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JavaScript: Load Image based on Select Option (Dropdown)

It’s not unusual to respond to the user actions by dynamically modifying some content of the page. For example, you can employ JavaScript to change and load another image based on the <select></select> option the user has just selected. This is the snippet you need: <select onChange=”getElementById(‘front_image’).src=’/images/’+this.value+’.jpg’;”> <option value=”1″>1</option> <option value=”2″>2</option> <option value=”3″>3</option> </select> <img …

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.com Renewal Promo Code – VeriSign .com Registry Fee Increases by $0.5

A quick notification for my readers. As VeriSign is increasing the registry fee of .com by about $0.5 by Jan. 15, 2012, you may want to renew all of your existing .com domains by then. The name registration fee is on a rise ever since the dawn, depending on your personal finance, renewing earlier is …

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<IfModule></IfModule> in .htaccess

I was debugging about some mod_rewrite errors caused by the .htaccess file on one of my sites and couldn’t solve the problem myself so I opted for a help thread on the SitePoint.com forum. Turned out it’s not the problem of my mod_rewrite rules in .htaccess but some incorrect file permissions that were causing the …

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Turn Your Blog or Business Into A Marketing Machine

These days it seems everything is automated. Some marketers even try to automate the two way conversation of the so called social media revolution, but there’s always got to be a human sentiment and senetient being behind communications. Especially the closer our network interactions become. However, despite the need for up-close-and-personal two way communication, there …

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Global Data Center Facts – Power Usage [Infographic]

Data centers are the fastest-growing energy vacuums in the IT industry in the UK, Europe, and beyond. As data centers grow larger to store the world’s data, their energy us is growing, too. Utilizing more environmentally-friendly power sources is tremendously important for the data center industry. Using renewable energy saves money, conserves natural resources, and contributes …

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