Detect user’s browser type
Some of you may wonder how a website can be able to detect my browser type. Today I will show you a way to detect what type of browser a user is using, so you can collect this data for your statistic purposes. The codes below is only applied for php on *nux server
Display Source Code of a page
Sometimes, you may want to show just the source code of a file rather than having it translated in a web browser. For example, if you want to show your visitors how to write a certain php/asp or even an html source codes as tutorial scripts, you can instruct your server to display just the contents of the file rather than executing them by using your htaccess file to block the execution. This method will ensure the security of your blog website. In order to do this, you must create a folder for…
Preload multiple images on a webpage
In order to speed up a web page with a lot of images, you can use JavaScript to plug on that page. In the <head> tag, use the following script: function preload_images(){ var Img = new Array(); Img[0]= “ser_remodeling_pop.jpg”; Img[1]= “ser_indoor_pop.jpg”; Img[2]= “ser_outdoor_pop.jpg”; Img[3]= “ser_newconstruction_pop.jpg”; Img[4]= “ser_additions_pop.jpg”; Img[5]= “ser_breakerpanel_pop.jpg”; Img[6]= “ser_electricityupgrades_pop.jpg”; Img[7]= “ser_conversion_pop.jpg”; Img[8]= “ser_codecompliance_pop.jpg”; Img[9]= “ser_troubleshooting_pop.jpg”; var imageObj = new Image(250,167); for(var i=0; i
Using Switch() function
Back in the old day when I first know how to program in php, I always used if-else statement. Sometimes, it gets so long that I couldn’t even keep track of how many if or else, and where the else supposed to be closed. I have no idea. It’s like a jungle of if else in my file. Since I started using switch() function, my codes are much cleaner when I need multiple conditions applied on one variable. I love it. If you only have…
Linux Set Date and Time From a Shell Command Prompt
Q. The time on my server set back 1 hour and all my cron jobs are running 1 hour off. How can I set the server date and time from the shell command prompt? I can only login over ssh session using Putty. Please advice? A. You will use date command to display the current date and time or set the system date / time over ssh session. This is useful if the Linux server date and/or time is wrong, you need to set it…