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How much size “Null” value takes in SQL Server
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The smallest addressable unit of memory in most computer systems is one byte (typically 8 bits). So in reality, a bit takes a byte. Great answer Mark: +1.
– JohnB
Sep 16 '10 at 22:23
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How to prevent favicon.ico requests?
...or favicons:
"GET /favicon.ico HTTP/1.1" 404 183
"GET /apple-touch-icon-precomposed.png HTTP/1.1" 404 197
"GET /apple-touch-icon.png HTTP/1.1" 404 189
The following uses data URI and can be used to avoid fake favicon requests:
<link rel="shortcut icon" href="data:image/x-icon;," type="image/x-ic...
Why should we include ttf, eot, woff, svg,… in a font-face
...se it. More time passes and it turns out that they are absolutely terrible compared to just a normal font format, and SVG 2 wisely removes the entire chapter again.
Then, woff gets invented by people with quite a bit of domain knowledge, which makes it possible to host fonts in a way that throws awa...
Count(*) vs Count(1) - SQL Server
... values. If one or more null values are
eliminated, then a completion condition is raised: warning-
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Mongo: find items that don't have a certain field
... this for Mongoid to use in a scope. Looks like this > scope :without_recommendation, :where => {:recommendation => {"$exists"=>false}}
– genkilabs
Jun 15 '12 at 1:15
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How do I set up DNS for an apex domain (no www) pointing to a Heroku app?
...ready added a custom domain to my Heroku app and it works with www.domain.com .
4 Answers
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Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
... edited May 23 '17 at 12:26
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answered Aug 27 '12 at 17:42
Maxim MazinMaxim Ma...
How to use the “number_to_currency” helper method in the model rather than view?
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How is the undo tree used in Vim?
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See also :h undo-redo, which lists all the commands and their usage.
There are two ways to traverse the undo tree. One is to go "back in time". g+ and g- will traverse all of the nodes in the tree in chronological or reverse-chronological order (which can be a bi...
How to create a custom string representation for a class object?
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@ThomasLeonard: stackoverflow.com/questions/39013249/metaclass-in-python3-5
– Ignacio Vazquez-Abrams
Nov 8 '17 at 18:34
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