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Is there a version control system for database structure changes?
... a table keeps track of your current db version.
To migrate up, you run a command called "db:migrate" which looks at your version and applies the needed scripts. You can migrate down in a similar way.
The migration scripts themselves are kept in a version control system -- whenever you change the ...
How do I escape a single quote in SQL Server?
... If you're using an ORM it will do it for you. If you're building your SQL commands manually you'll want to use the language's "prepared statements" functionality. If you're doing it in Management Studio then you'll have to do the replace.
– Cᴏʀʏ
Feb 15 '14...
Max return value if empty query
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int maxShoeSize = Workers.Where(x => x.CompanyId == 8)
.Select(x => x.ShoeSize)
.DefaultIfEmpty(0)
.Max();
The zero in DefaultIfEmpty is not necessary.
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Cache an HTTP 'Get' service response in AngularJS?
...self is a service that can be used across multiple controllers and angular components. It can be used as a generic api service to cache all your $http's into a single service obj rather than having different service objects for each one of them.
– Nirav Gandhi
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Why can't I use background image and color together?
...;
background-position: right;
background-repeat: no-repeat;
Or using the composite style background:
background: green url(images/shadow.gif) right no-repeat;
If you use the composite style background to set both separately, only the last one will be used, that's one possible reason why your co...
Why can I use a function before it's defined in JavaScript?
... a single mention of the term “hoisting” on this page. Hopefully these comments have enough Google Juice™ to set things right :)
– Mathias Bynens
Dec 22 '11 at 12:43
2
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iOS: Multi-line UILabel in Auto Layout
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See stackoverflow.com/a/29180323/1529675 for how to determine preferredMaxLayoutWidth and see devetc.org/code/2014/07/07/auto-layout-and-views-that-wrap.html for a brief but informative writeup, complete with animated GIFs (not my writeup, I f...
How to use the C socket API in C++ on z/OS
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Can't get Gulp to run: cannot find module 'gulp-util'
On Windows 7, I've installed gulp as explained here: http://markgoodyear.com/2014/01/getting-started-with-gulp/ :
10 Answe...
Correct way to find max in an Array in Swift
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Works only on Comparable objects, so NSDecimalNumber won't work for example.
– Michał Hernas
Feb 3 '15 at 13:48
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