Category: Tech
How to Find Cells That Contain Text in Excel
You can use a formula like this to indicate cells that contain text in Excel. Any cell that contains the strings tips, help or support will show up as true, otherwise they will be false: =OR(ISNUMBER(SEARCH("tips",D2)),ISNUMBER(SEARCH("help",D2)),ISNUMBER(SEARCH("support",D2)))
How to Build Your Own Web Site Monitoring App with Notifications for iOS and Android
If you run a web site or blog of any importance to you or your business, it’s important to have a monitoring service to ensure that it’s always running, especially if you have a sophisticated service running background tasks. A...
How to Use Zillow Neighborhood Maps and HTML5 Geolocation
Purchase a pre-installed image of this tutorial as a Digital Ocean droplet for just $15. Back in 2008, Zillow released boundary shape files to more than 7,000 U.S. neighborhoods via a Creative Commons Attribution-Sharealike license. Zillow did so to encourage innovation...
Esquire’s Rens Lieman Asks You to Hack His Data
Rens Lieman, a contributing editor at Esquire magazine (Dutch edition), is launching a privacy experiment asking hackers to discover all the data they can gather about him: [blockquote]For Esquire, I wanted to write a story about online privacy and the...
SEDO Weakens; Dilutes Brand with GoDaddy Association
It used to be that SEDO was a premiere domains sales and auctions listing service. If you received an offer from SEDO, the sale regularly completed – serious buyers & serious sellers. But now, SEDO accepts offers from GoDaddy. Not...
How Geogram built a free group email service using Yii and Mailgun
The great folks at Mailgun have published my tutorial: How Geogram built a free group email service using Yii for PHP with MySQL also available on my blog. Mailgun is a scalable, cloud-based email engine that’s easy to integrate with your email-driven...
GMail Alternatives in the PRISM Age: How to Host Your Own Email Server in the Cloud
Update: You may be interested in Filtered, my new open source IMAP-based mail filtering application which includes the capability to encrypt selected messages, removing them from your IMAP or Gmail account. I’ve posted a new tutorial called, How to Install Your...