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Efficient paging in SQLite with millions of records
... multiple sort columns (and SQLite 3.15 or later), you can use a row value comparison for this:
SELECT *
FROM MyTable
WHERE (SomeColumn, OtherColumn) > (LastSome, LastOther)
ORDER BY SomeColumn, OtherColumn
LIMIT 100;
s...
How do I request a file but not save it with Wget? [closed]
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what do the ampersand and greater than do in this command? can you just pipe the output to /dev/null ... wget -qO- | /dev/null ... ?
– T. Brian Jones
Mar 13 '12 at 20:22
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How do you get a Golang program to print the line number of the error it just called?
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Database Design for Tagging
...ion" operation. This article covers relational division in concise and yet comprehendible way.
About performance: A bitmap-based approach intuitively sounds like it will suit the situation well. However, I'm not convinced it's a good idea to implement bitmap indexing "manually", like digiguru sugge...
Team city unmet requirement: MSBuildTools12.0_x86_Path exists
...rosoft Build Tools 2015 (most recently until today):
https://www.microsoft.com/en-us/download/details.aspx?id=48159
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Visual Studio, Find and replace, regex
... now replaces {}. More consistant with everyone else now. msdn.microsoft.com/en-us/library/2k3te2cs(v=vs.110).aspx
– oillio
Apr 5 '13 at 0:31
2
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MySQL Select minimum/maximum among two (or more) given values
...date1
FROM A, B
WHERE B.x = A.x
Both are described here http://dev.mysql.com/doc/refman/5.0/en/comparison-operators.html
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Is there an equivalent to background-size: cover and contain for image elements?
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height: 100vh;
object-fit: cover;
}
<img src="http://lorempixel.com/1500/1000" />
See MDN - regarding object-fit: cover:
The replaced content is sized to maintain its aspect ratio while
filling the element’s entire content box. If the object's aspect ratio
does not mat...
What does upstream mean in nginx?
... 127.0.0.1:8003;
}
server {
listen 80;
server_name www.domain.com;
location / {
proxy_pass http://myproject;
}
}
}
This means all requests for / go to the any of the servers listed under upstream XXX, with a preference for port 8000.
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Which is better, return “ModelAndView” or “String” on spring3 controller
...- Spring allows you to do it either way.
Historically, the two approaches come from different versions of Spring. The ModelAndView approach was the primary way of returning both model and view information from a controller in pre-Spring 2.0. Now you can combine the Model parameter and the String re...