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How get integer value from a enum in Rails?

...t the integer values for an enum from the class the enum is on: Model.sale_infos # Pluralized version of the enum attribute name That returns a hash like: { "plan_1" => 1, "plan_2" => 2 ... } You can then use the sale_info value from an instance of the Model class to access the integer v...
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delegate keyword vs. lambda notation

... If you specify an anonymous method without specifying a parameter list at all it is compatible with any delegate type returning void and without any out parameters. Armed with this knowledge, we should be able to construct two overloads to make the expressions completely unambiguous but very differ...
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How to do a Jquery Callback after form submit?

... And if the <form> is submited usually ? (I mean not with Ajax) What can I put in the first argument of .bind() ? EDIT : well, I guess click. Nvm, sorry. :p – 4wk_ Feb 4 '13 at 13:32 ...
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How to specify data attributes in razor, e.g., data-externalid=“23151” on @this.Html.CheckBoxFor(…)

...heckBox", data_externalid = "23521" } ) The _ will automatically be converted to - in the resulting markup: <input type="checkbox" name="MyModel.MyBoolProperty" data-externalid="23521" class="myCheckBox" /> And that's true for all Html helpers taking a htmlAttributes anonymou...
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Get the (last part of) current directory name in C#

...the last part of current directory, for example from /Users/smcho/filegen_from_directory/AIRPassthrough , I need to get AIRPassthrough . ...
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Unix command-line JSON parser? [closed]

... "bar": 2, "foo": 1 } Note: Depending on your version of python, all keys might get sorted alphabetically, which can or can not be a good thing. With python 2 it was the default to sort the keys, while in python 3.5+ they are no longer sorted automatically, but you have the option to sort ...
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Convert .pem to .crt and .key

... Converting Using OpenSSL These commands allow you to convert certificates and keys to different formats to make them compatible with specific types of servers or software. Convert a DER file (.crt .cer .der) to PEM openssl x509 -inform der -in certificate.cer -o...
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How do I hide a menu item in the actionbar?

... Get a MenuItem pointing to such item, call setVisible on it to adjust its visibility and then call invalidateOptionsMenu() on your activity so the ActionBar menu is adjusted accordingly. Update: A MenuItem is not a regular view that's part of your layout. Its som...
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get size of json object

... check the size i.e. like that: var data = {one : 1, two : 2, three : 3}; _.size(data); //=> 3 _.keys(data); //=> ["one", "two", "three"] _.keys(data).length; //=> 3 share | improve this ...
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JSON formatter in C#?

... Cool! Looks like that was added in .NET Core 3.0 actually, which was released September 23, 2019 – mpen Aug 25 at 0:34 add a comment  |...