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Add querystring parameters to link_to

...tacks, be sure to clean the params hash, leaving only the params that your app can be sending: # inline <%= link_to 'Link', params.slice(:sort).merge(per_page: 20) %>   If you use it in multiple places, clean the params in the controller: # your_controller.rb @params = params.slice(:sort...
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Detecting a redirect in ajax request?

...r, I thought I'd post a workaround I came up with: I configured my server app to set a custom response header (X-Response-Url) containing the url that was requested. Whenever my ajax code receives a response, it checks if xhr.getResponseHeader("x-response-url") is defined, in which case it compares...
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How to include file in a bash shell script

...own, similar, but a bit different version of "source" which may break your app. – Jacob Korba Jul 13 at 13:45 add a comment  |  ...
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How to write to an existing excel file without overwriting data (using pandas)?

... Here is a helper function: def append_df_to_excel(filename, df, sheet_name='Sheet1', startrow=None, truncate_sheet=False, **to_excel_kwargs): """ Append a DataFrame [df] to existing Excel file [filenam...
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NSString property: copy or retain?

...not, then it just gets retained. Exactly the semantics that you want in an app (let the type do what's best). share | improve this answer | follow | ...
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How to increase the gap between text and underlining in CSS

Using CSS, when text has text-decoration:underline applied, is it possible to increase the distance between the text and the underline? ...
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Permission denied (publickey) when deploying heroku code. fatal: The remote end hung up unexpectedly

... Didn't work for me. I had to revoke my old key and then let heroku app generate and upload a new one for me. See the link on how to do this provided by Lithium. – borisdiakur Oct 26 '11 at 22:49 ...
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Why does writeObject throw java.io.NotSerializableException and how do I fix it?

...of the TransformGroup, and there are not any variables that store them. My app is a 3d molecule builder, and all my atoms and bounds are just added to the TransformGroup as instances- e.g (new Atom()). The problem is not only that I need them written to a file, but that the user may want to remove o...
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How to log request and response body with Retrofit-Android?

...e about this interceptor Add Logging to Retrofit 2 While developing your app and for debugging purposes it’s nice to have a log feature integrated to show request and response information. Since logging isn’t integrated by default anymore in Retrofit 2, we need to add a logging interceptor for...
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Does Swift support reflection?

...there's the start of some reflection support: class Fruit { var name="Apple" } reflect(Fruit()).count // 1 reflect(Fruit())[0].0 // "name" reflect(Fruit())[0].1.summary // "Apple" From mchambers gist, here: https://gist.github.com/mchambers/fb9da554898dae3e54f2 ...