sinatrarb

Uplaod files and images from you android to your desktop/laptop

i faced a problem couple days ago, my engagement party photos were stuck on my mobile phone i can’t transfer them to my mac osx laptop, as mac doesn’t want to configure my android phone as disk storage, neither want to show the photos when i configure it as a camera, so i had to solve it with a simple trick (not the explained trick here).

the following script will solve a problem like this, you can run this script from your desktop, and take a note of your IP address over your WIFI network.

then connect your phone to the same WIFI network and open “http://:3000” choose all the files you want to copy to your machine and press upload,

voaalaaaa, and it is in your laptop now :), also as android has some good features, when you try to choose the file manager of image gallery to upload you will find other options to take a picture and upload it directly to your desktop, and or record sound and upload it directly, and other options depending on your android applications.

have fun with it and let me know how did you use it.

Live Calculator + Math module using ruby and sinatra

this calculator will open port 3000 using sinatra and listen on two paths the root (http://localhost:3000/) to load the calculator HTML and /calc path (http://localhost:3000/calc) to evaluate expression

when you write any expression such as (2+2) javascrip will send the expression as you type to /calc path and get teh result into a div with id=result

i included the Math module so you can use cos, sin, tan and any method within the ruby Math Module.

also as this calculator uses eval method you can use it to evaluate a pure ruby expression such as “Emad “*10 this will print “Emad” 10 times

have fun and let me know how did you use it ;)