I just renewed the SSL certificate. The cheapest DV SSL certificate I found is from GoGetSSL.com. I paid by paypal. The price is so good. US$7.90 for two years. Comodo PositiveSSL. After I installed the certificate on my blog. I check the certificate by clicking on the lock icon on the address bar. It is

Electromagnetic compatibility is an important aspect of global product safety testing. Electronic devices that give off radiation play increasingly vital roles in the lives of people around the world. Electromagnetic compatibility testing ensures that such devices can withstand the emission of electromagnetic radiation given off by other electronics in the vicinity while not affecting the

Here I run the PHP benchmark script on my Virtualbox guest OS Ubuntu 16.04. Every version of PHP I tested 7 times. So get rid of the highest one, and the lowest one. Get the average of the rest five scores. php5.6.39 The average is 5.13 seconds. php 7.1.25 The average is 1.859 seconds. php7.2

I use a Nginx as  the reverse proxy. Here is the scenario. The original server is Server A. The reverse proxy is Server B. Web users are browser the website through Server B. The web log of Server A just received the IP address of server B. All users are shared one remote address. It

First I need to make sure my Nginx has the geoip module. Check it by entering the command below. My Nginx shown the results as below. I found  –with-http_geoip_module=dynamic It is cool, I have the geoip module with my Nginx installation. Second,  I need GeoIP country database. Here is the official site to download the

Every casino online offers different modes of payment. Players have the liberty to choose the way in which they would like to deposit and withdraw money from their user accounts. The advantages and disadvantages of every payment method are unique and, therefore, as a player, it is your choice to choose which one you’d like

I bought Cruzer Dial USB Flash Drive 32GB Pack at Costco last week. It is on reduced price. 32GB 2-pack. The USB Flash Drive has the following features: USB 2.0 2-Year limited warranty Password Protection and file privacy with included SanDisk SecureAccess Software The USB connector, which is black, is not metal, but plastic. When

Wow, it is another time to introduce a mac data recovery software, EaseUS Data Recovery Wizard for Mac Free 11.8. No matter what kind of computer you use, even Mac, you may have a chance to lose your data one time. Just one time, you may lose your best photos with your family or your important homework assignment.

Do you know how to save buttery life when it’s very low without turning on the airplane mode? What magic can you do with Siri except asking her to open an app or call somebody? Do you know that you can check one’s frequent locations just by looking into his iPhone? Read the following infographic

  Some time ago, on October 8, 2018, Google came out and admitted to a data breach in its Google+ social network, because of a software bug. This bug resulted in close to 500,000 user accounts getting compromised. There is no proof available so far that any user’s personal information was misused. If you recall,