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Are there disadvantages to using a generic varchar(255) for all text-based fields?
I have a contacts table which contains fields such as postcode , first name , last name , town , country , phone number etc, all of which are defined as VARCHAR(255) even though none of these fields will ever come close to having 255 characters. (If you're wondering, it's this way becaus...
How can you program if you're blind?
Sight is one of the senses most programmers take for granted. Most programmers would spend hours looking at a computer monitor (especially during times when they are in the zone ), but I know there are blind programmers (such as T.V. Raman who currently works for Google).
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Changing the background drawable of the searchview widget
I'm trying to change the drawable that sits in the Android actionbar searchview widget.
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How can I parse a CSV string with JavaScript, which contains comma in data?
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How can I specify a branch/tag when adding a Git submodule?
How does git submodule add -b work?
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Should I use past or present tense in git commit messages? [closed]
I read once that git commit messages should be in the imperative present tense, e.g. "Add tests for x". I always find myself using the past tense, e.g. "Added tests for x" though, which feels a lot more natural to me.
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What is the C runtime library?
What actually is a C runtime library and what is it used for? I was searching, Googling like a devil, but I couldn't find anything better than Microsoft's: "The Microsoft run-time library provides routines for programming for the Microsoft Windows operating system. These routines automate many commo...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
I successfully implemented the OpenCV square-detection example in my test application, but now need to filter the output, because it's quite messy - or is my code wrong?
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Confirm deletion in modal / dialog using Twitter Bootstrap?
I have an HTML table of rows tied to database rows. I'd like to have a "delete row" link for each row, but I would like to confirm with the user beforehand.
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How to find Unused Amazon EC2 Security groups
I'm try to find a way to determine orphan security groups so I can clean up and get rid of them. Does anyone know of a way to discover unused security groups.
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