C#: Your Visual Blueprint for Building .Net Applications by Eric Butow, Thomas Ryan, maranGraphics

By Eric Butow, Thomas Ryan, maranGraphics

I'm relatively dissapointed over this e-book. i presumed it might be a newbies ebook, however it grew to become out to be a publication with many absurd repetitions and examples which will not assist you with any realizing. it really is really now not a studying booklet, yet relatively small step-by-step tutorials on the right way to do issues.

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Extra info for C#: Your Visual Blueprint for Building .Net Applications (With CD-ROM)

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_SERVER['REMOTE_ADDR'] . time() . rand(); // Return this value hashed via sha1 return sha1($data); } // Echo out the hashed data - This will be different every time. > This technique can be used for any data. 1. Keys will be generated that will almost always be unique. Any key-generation algorithm has a small chance of generating the same key twice. If that absolutely cannot happen in your situation, you need to keep track of the keys that have been generated and check to make sure that the one you just made has never been generated before.

Keys will be generated that will almost always be unique. Any key-generation algorithm has a small chance of generating the same key twice. If that absolutely cannot happen in your situation, you need to keep track of the keys that have been generated and check to make sure that the one you just made has never been generated before. That same concept can be used if you must generate the ID before you have any data. In that case, all you can really use is the time and a random number. There is then a greater chance (though still slight) that you might generate two keys that are the same.

A more versatile function is created this way; however, at a slight performance hit if all you ever want to do is get the sum of the dice. In that case, the creation of the array is not needed because the sum could just be added as the loop progresses. 6. Latitude/Longitude Calculations Due to the recent popularity of consumer GPS systems, it is likely that you will need to deal with latitude and longitude at some point. Latitude and longitude are a coordinate system for the entire Earth. Latitude refers to your position north or south of the equator.

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