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Transform DateTime into simple Date in Ruby on Rails

... It's a shame that .to_date() is not present in standard ruby so we have to do workaround. Converting from DateTime to Date with correct timezone trough string (!!!) is not elegant. Understanding the internals of the DateTime and Date is not easy. Just rampaging, ignore! :-)...
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Declaring a default constraint when creating a table

...t) or if there is a way to do it. You know, I like to keep my code "tidy" and having the constraints declared after the columns makes the SQL files clearer and easier to understand and debug (or at least it is what I think). – Albireo Nov 23 '09 at 12:25 ...
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Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)

...ND_ROWS? Just a quick summary: Peter says that it depends on your indexes and other factors. Many of the comments to the post seem to say that SQL_CALC_FOUND_ROWS is almost always slower - sometimes up to 10x slower - than running two queries. ...
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Background color of text in SVG

...xt> </svg> A duplicate text item is being placed, with stroke and stroke-width attributes. The stroke should match the background colour, and the stroke-width should be just big enough to create a "splodge" on which to write the actual text. A bit of a hack and there are potential issu...
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Node.js/Windows error: ENOENT, stat 'C:\Users\RT\AppData\Roaming\npm'

...-bit. I installed the latest Node.js 32 bit. When I try to run the command npm install jquery , I receive the error: 7...
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How to Validate a DateTime in C#?

...er one please post it here. I simply want to leave this question here so I and others can search it later. 13 Answers ...
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Session variables in ASP.NET MVC

...lem is that I need this object to be accessed from any part of the website and I don't really know the best way to accomplish this. I know that one solution is to use session variables but I don't know how to use them in asp .net MVC. And where would I declare a session variable? Is there any other ...
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What's the scope of the “using” declaration in C++?

I'm using the 'using' declaration in C++ to add std::string and std::vector to the local namespace (to save typing unnecessary 'std::'s). ...
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How to detect if a variable is an array

What is the best de-facto standard cross-browser method to determine if a variable in JavaScript is an array or not? 12 Ans...
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No serializer found for class org.hibernate.proxy.pojo.javassist.Javassist?

...ate properties with: @JsonIgnoreProperties({"hibernateLazyInitializer", "handler"}) I assume you can add the properties on your proxy object that breaks the JSON serialization to that annotation. The problem is that entities are loaded lazily and serialization happens before they get loaded full...