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belongs_to through associations

... I'd like to know myself. Everything I tried fired 3 selects. You can specify a "-> { joins :something }" lambda on an association. The join is fired but subsequently another select anyway. I wasn't able to tune this up. ...
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Resizing an Image without losing any quality [closed]

...is might have been true in '08, but luckily we're miles ahead in this area now (to a great extent due to old IE versions slowly fading away). – Camilo Martin Feb 15 '13 at 12:23 ...
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How to convert an int value to string in Go?

... fmt.Sprintf("%v",value); If you know the specific type of value use the corresponding formatter for example %d for int More info - fmt share | improve thi...
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Android WebView, how to handle redirects in app instead of opening a browser

So right now in my app the URL I'm accessing has a redirect, and when this happens the WebView will open a new browser, instead of staying in my app. Is there a way I can change the settings so the View will redirect to the URL like normal, but stay in my app instead of opening a new browser? ...
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How to check if a file exists in Documents folder?

... objectAtIndex:0 can be now replaced with firstObject – Govind Nov 20 '13 at 8:39 ...
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When to use %r instead of %s in Python? [duplicate]

... Thanks. I was wondering why one might use the %r - but I now understand from your example above. – Helen Neely Jan 16 '14 at 15:49 2 ...
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Why is there an “Authorization Code” flow in OAuth2 when “Implicit” flow works so well?

...oken if you are not using en encrypted connection (HTTPS) allowing what's known as Man-in-the-middle attacks. Passing the access token directly in a URL param could in theory be possible but the auth sever would have to make sure the redirect URI is using HTTPS with TLS encryption and a 'trusted' S...
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Sql query to insert datetime in SQL Server

...at specifier: string.Format("select convert(datetime2, '{0:s}'", DateTime.Now); share | improve this answer | follow | ...
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What is /dev/null 2>&1?

...ns three files, standard input, standard output, and standard error as we know whenever a file is opened, the operating system (from kernel) returns a non-negative integer called a file descriptor. The file descriptor for these files are 0, 1, and 2, respectively. So 2>&1 simply says redirec...
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UIView Hide/Show with animation

...n your app and add #import <QuartzCore/QuartzCore.h> to your header. Now you can do one of the following: 1) set button.layer.shouldRasterize = YES; and then use the alpha animation code that Michail provided in his answer. This will prevent the layers from blending weirdly, but has a slight ...