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How Do I Use Factory Girl To Generate A Paperclip Attachment?

... necessary factory :user do avatar { File.new(Rails.root.join('app', 'assets', 'images', 'rails.png')) } end or, better yet, factory :user do avatar { File.new("#{Rails.root}/spec/support/fixtures/image.jpg") } end ...
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How to replace NaN values by Zeroes in a column of a Pandas Dataframe?

... 0.000000 3 1.876360 -0.229738 4 NaN 0.000000 EDIT: To avoid a SettingWithCopyWarning, use the built in column-specific functionality: df.fillna({1:0}, inplace=True) share | improve th...
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How can I override the OnBeforeUnload dialog and replace it with my own?

...ad to prevent it from the default dialogue. Additional notes on jQuery: Setting the event in jQuery may be problematic, as that allows other onbeforeunload events to occur as well. If you wish only for your unload event to occur I'd stick to plain ol' JavaScript for it. jQuery doesn't have a shor...
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Why is TypedReference behind the scenes? It's so fast and safe… almost magical!

...s not included in the CLI Kernel profile: 4.1.6 Vararg The vararg feature set supports variable-length argument lists and runtime-typed pointers. If omitted: Any attempt to reference a method with the vararg calling convention or the signature encodings associated with vararg methods (see Partition...
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Run JavaScript code on window close or page refresh?

...e used differently depending on the browser. You can assing them either by setting the window properties to functions, or using the .addEventListener: window.onbeforeunload = function(){ // Do something } // OR window.addEventListener("beforeunload", function(e){ // Do something }, false); ...
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Python division

I was trying to normalize a set of numbers from -100 to 0 to a range of 10-100 and was having problems only to notice that even with no variables at all, this does not evaluate the way I would expect it to: ...
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ActiveModel::ForbiddenAttributesError when creating new user

...V1::Person do permit_params :name, :address, :etc end These need to be set along with those in the controller: def api_v1_person_params params.require(:api_v1_person).permit(:name, :address, :etc) end Otherwise you will get the error: ActiveModel::ForbiddenAttributesError ...
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npm windows install globally results in npm ERR! extraneous

...en i did an 'npm ls'. I thought this was some sort of a globally corrupted setup after having lots of tinkering. I learn the following observations here: 'npm ls' gives different outputs depending on what is your current folder location. 'npm ls' tries to detect the presence of a 'node_modules' fo...
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How Drupal works? [closed]

...figuration array and establishes the base URL ($base_url) of the site. The settings.php file is parsed via include_once(), and any variable or string overrides established there are applied. See the “Variable Overrides” and “String Overrides” sections of the file sites/all/default/default.se...
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Is there any way to do a “Replace Or Insert” using web.config transformation?

... Use the InsertIfMissing transformation to ensure that the appSetting exists. Then use the Replace transformation to set its value. <appSettings> <add key="Environment" xdt:Transform="InsertIfMissing" xdt:Locator="Match(key)" /> <add key="Environment" value="Live" xd...