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CGContextDrawImage draws image upside down when passed UIImage.CGImage

...answered Feb 6 '09 at 20:46 Kendall Helmstetter GelnerKendall Helmstetter Gelner 72.5k2626 gold badges123123 silver badges146146 bronze badges ...
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What is the difference between char, nchar, varchar, and nvarchar in SQL Server?

...torage space for number of characters you specify even if you don't use up all that space. varchar and nvarchar are variable-length which will only use up spaces for the characters you store. It will not reserve storage like char or nchar. nchar and nvarchar will take up twice as much storage spac...
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Why use @Scripts.Render(“~/bundles/jquery”)

... Bundling is all about compressing several JavaScript or stylesheets files without any formatting (also referred as minified) into a single file for saving bandwith and number of requests to load a page. As example you could create your ...
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Adding Permissions in AndroidManifest.xml in Android Studio?

... You can only type them manually, but the content assist helps you there, so it is pretty easy. Add this line <uses-permission android:name="android.permission."/> and hit ctrl + space after the dot (or cmd + space on Mac). If you need an exp...
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Rails Model, View, Controller, and Helper: what goes where?

...summarized) by the Model, or generated from the Controller. If your View really needs to do processing that can't be done by the Model or Controller, put the code in a Helper. Lots of Ruby code in a View makes the pages markup hard to read. Model: Your model should be where all your code that rela...
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Checkbox for nullable boolean

...iad of different reasons why the foo input might not appear on the page at all. If it does appear I can assume there's a value, but I need to be able to differentiate between when the model is posted with foo as unchecked and when foo isn't shown. – DMulligan J...
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How to compare objects by multiple fields

... I Actually prefer the idea of using a single Comparator. I don't think this answer is wrong, but anyone reading it should definitely check Steve Kuo answer below. – Felipe Leão Nov 13 '14 at ...
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SELECT DISTINCT on one column

... this is really useful case in any various duplication thank you – ASLIM Jan 13 at 8:08 add a comment ...
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Stateless and Stateful Enterprise Java Beans

...s. If stateless session beans do not retain their state in between method calls, why is my program acting the way it is? 7 ...
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RSpec: What is the difference between a feature and a request spec?

... The conceptual difference is that you're usually testing a user story, and all interaction should be driven via the user interface. That's where Capybara comes in. A request spec is still testing the behavior of your application and doesn't have the expectation of re...