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Draw a perfect circle from user's touch
I have this practice project that allows the user to draw on the screen as they touch with their fingers. Very simple App I did as exercise way back.
My little cousin took the liberty of drawing things with his finger with my iPad on this App (Kids drawings: circle, lines, etc, whatever came to his ...
How To Create Table with Identity Column
I have an existing table that I am about to blow away because I did not create it with the ID column set to be the table's Identity column.
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How do I check whether a jQuery element is in the DOM?
Let's say that I define an element
11 Answers
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'ssh-keygen' is not recognized as an internal or external command
I run git push -u origin master
14 Answers
14
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How can I create a directly-executable cross-platform GUI app using Python?
Python works on multiple platforms and can be used for desktop and web applications, thus I conclude that there is some way to compile it into an executable for Mac, Windows and Linux.
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Rails and PostgreSQL: Role postgres does not exist
I have installed PostgreSQL on my Mac OS Lion, and am working on a rails app. I use RVM to keep everything separate from my other Rails apps.
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How to remove unreferenced blobs from my git repo
I have a GitHub repo that had two branches - master & release.
10 Answers
10
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How does JavaScript .prototype work?
I'm not that into dynamic programming languages but I've written my fair share of JavaScript code. I never really got my head around this prototype-based programming, does any one know how this works?
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Confused about stdin, stdout and stderr?
I am rather confused with the purpose of these three files. If my understanding is correct, stdin is the file in which a program writes into its requests to run a task in the process, stdout is the file into which the kernel writes its output and the process requesting it accesses the informatio...
What's the point of OOP?
As far as I can tell, in spite of the countless millions or billions spent on OOP education, languages, and tools, OOP has not improved developer productivity or software reliability, nor has it reduced development costs. Few people use OOP in any rigorous sense (few people adhere to or understand p...