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String.IsNullOrWhiteSpace in LINQ Expression
...umerable<T>. In short IQueryable<T> is processed by a LINQ provider to deliver an optimized query. During this transformation not all C# statements are supported, as it either is not possible to translate them to a back-end specific query (e.g. SQL) or because the implementer did not for...
How to Test a Concern in Rails
...ng to test model concerns, you won't be able to do things like test the validity of objects or invoke ActiveRecord callbacks unless you set up the database accordingly (because your dummy class won't have a database table backing it). Moreover, you'll want to not only test the concern but also test ...
Swift equivalent for MIN and MAX macros
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Sorry. How did you learn this? I don't see it in 'The Swift Programming Language' nor in an Xcode6 documentation search.
– GoZoner
Jun 12 '14 at 14:35
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Can you get DB username, pw, database name in Rails?
I'm writing a rake task that does some DB work outside of Rails/ActiveRecord.
5 Answers
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What is a “first chance exception”?
...ebugger a second time, giving you a chance to do something with it in your IDE before and after the application itself. This appears to be a Microsoft Visual Studio invention.
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Access parent DataContext from DataTemplate
...ms with the relative source in Silverlight. After searching and reading I did not find a suitable solution without using some additional Binding library. But, here is another approach for gaining access to the parent DataContext by directly referencing an element of which you know the data context. ...
How do you push a Git tag to a branch using a refspec?
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it push all your tags
– Dawid Drozd
Oct 1 '13 at 18:55
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Note that this...
How can I get the sha1 hash of a string in node.js?
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Good idea. Note, however, that all objects (except arrays and null) will have the same sha1sum value since Object.toString() returns [object Object] by default. So sha1sum({}) === sha1sum({"foo":"bar"}) === sha1sum({"a":1}), etc...
Disabling Strict Standards in PHP 5.4
... answered Apr 2 '12 at 21:46
David StocktonDavid Stockton
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How to get duration, as int milli's and float seconds from ?
...d Mar 7 '15 at 20:17
Billy The KidBilly The Kid
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