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Select first row in each GROUP BY group?
... BY p.customer) y ON y.customer = x.customer
AND y.max_total = x.total
GROUP BY x.customer, x.total
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OO Design in Rails: Where to put stuff
I'm really enjoying Rails (even though I'm generally RESTless), and I enjoy Ruby being very OO. Still, the tendency to make huge ActiveRecord subclasses and huge controllers is quite natural (even if you do use a controller per resource). If you were to create deeper object worlds, where would you p...
MySQL SELECT WHERE datetime matches day (and not necessarily time)
...rds, if my table only contained the following 4 records, then only the 2nd and 3rd would be returned if I limit to 2012-12-25.
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Where is JAVA_HOME on macOS Mojave (10.14) to Lion (10.7)?
...s probably the least useful thing... i always have multiple windows opened and arranged on screen so i can see multiple things at once... usually a different layout on every space.
– prodigitalson
Jul 6 '11 at 15:38
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SVN - Checksum mismatch while updating
...another directory, delete the directory where your project is checked out, and checkout the project again.
Then copy your changes back in (don't copy any .svn folders) and commit, and continue.
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iOS - Build fails with CocoaPods cannot find header files
... on the same project. He made some changes (only to code as far as I know) and made a new branch in the repo. I have checked out his branch and tried to build it, but I am getting an error: ASLogger/ASLogger.h file not found.
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Do we need semicolon at the end? [duplicate]
...rtion: Everything you need to know outlines the concept well in an understandable manner using examples under the headings:
Where Semicolons are Allowed
Where Semicolons May be Omitted
The rules
It even digs into the official ECMAScript specification about the topic.
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How to upgrade PowerShell version from 2.0 to 3.0
The OS that I am using is Windows 7, and the PowerShell version that is installed here is 2.0. Is it possible for me to upgrade it to version 3.0 or 4.0?
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Definition of “downstream” and “upstream”
I've started playing with Git and have come across the terms "upstream" and "downstream". I've seen these before but never understood them fully. What do these terms mean in the context of SCMs ( Software Configuration Management tools) and source code?
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Host 'xxx.xx.xxx.xxx' is not allowed to connect to this MySQL server
...N *.* TO 'monty'@'%'
-> WITH GRANT OPTION;
Although as Pascal and others have noted it's not a great idea to have a user with this kind of access open to any IP. If you need an administrative user, use root, and leave it on localhost. For any other action specify exactly the privileges ...