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Why historically do people use 255 not 256 for database field magnitudes?
You often see database fields set to have a magnitude of 255 characters, what is the traditional / historic reason why? I assume it's something to do with paging / memory limits, and performance but the distinction between 255 and 256 has always confused me.
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Enable bundling and minification in debug mode in ASP.NET MVC 4
...and add a custom config section to your web.config (or at a minimum, an AppSetting entry.) That way, you can selectively enable/disable optimizations without having to do a rebuild.
– Joe the Coder
Feb 12 '14 at 15:58
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A migration to add unique constraint to a combination of columns
... editor after snippets, if snippets enabled
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Copy and paste content from one file to another file in vi
I am working with two files, and I need to copy a few lines from one file and paste into another file. I know how to copy (yy) and paste (p) in the same file. But that doesn't work for different files. How is this done?
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How do I fix certificate errors when running wget on an HTTPS URL in Cygwin?
For example, running wget https://www.dropbox.com results in the following errors:
9 Answers
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PHP and Enumerations
...PHP doesn't have native Enumerations. But I have become accustomed to them from the Java world. I would love to use enums as a way to give predefined values which IDEs' auto-completion features could understand.
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CSS3 Transparency + Gradient
RGBA is extremely fun, and so is -webkit-gradient , -moz-gradient , and uh... progid:DXImageTransform.Microsoft.gradient ... yeah. :)
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Is it .yaml or .yml?
...ad, has three informative letters ("M", "L" and "Y"). Indeed, the existing set of acronyms beginning with Y seems extremely small. By implication, this is why a four letter YAML file extension feels greatly overspecified.
Perhaps this is why we see in practice that the "linguistic" pressure (in nat...
What is the dual table in Oracle?
I've heard people referring to this table and was not sure what it was about.
14 Answers
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Convert string to a variable name
I am using R to parse a list of strings in the form:
10 Answers
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