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sqlite3-ruby install error on Ubuntu
...u need the SQLite3 development headers for the gem’s native extension to compile against. You can install them by running (possibly with sudo):
apt-get install libsqlite3-dev
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fatal error: malformed or corrupted AST file - Xcode
.... Thanks very much! No clean required here though.
– Compy
Jun 18 '14 at 13:00
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For me I only ne...
Function to Calculate Median in SQL Server
... this article from 2012 which is a great resource: https://sqlperformance.com/2012/08/t-sql-queries/median
This article found the following pattern to be much, much faster than all other alternatives, at least on the simple schema they tested. This solution was 373x faster (!!!) than the slowest (...
Resolve absolute path from relative path and/or file name
... argument relative to the path of the executing batch. It does have a shortcoming though: it miserably fails if the first argument is fully-qualified.
If you need to support both relative and absolute paths, you can make use of Frédéric Ménez's solution: temporarily change the current working di...
How to find a table having a specific column in postgresql
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Extracting hours from a DateTime (SQL Server 2005)
...zy shorthand that leads to confusion or worse. See #6 here blogs.sqlsentry.com/aaronbertrand/… and sqlblog.com/blogs/aaron_bertrand/archive/2011/09/20/…
– Aaron Bertrand
Oct 6 '14 at 19:44
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Timeout a command in bash without unnecessary delay
This answer to Command line command to auto-kill a command after a certain amount of time
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How to use GNU Make on Windows?
... there type, for example, make all but my cmd says that there is no such command.
7 Answers
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Principles for Modeling CouchDB Documents
...nts together in a single document as you'll get a single revision path for completely unrelated updates (comment addition adding a revision to the entire site document for instance). Managing the relationships or connections between various, smaller documents can be confusing at first, but CouchDB p...