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Lowercase JSON key names with JSON Marshal in Go

...or example: type T struct { FieldA int `json:"field_a"` FieldB string `json:"field_b,omitempty"` } This will generate JSON as follows: { "field_a": 1234, "field_b": "foobar" } share | ...
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Git: Show all of the various changes to a single line in a specified file over the entire git histor

... @AndySong - If the string you are searching for is unique enough, perhaps you can just leave off the file name and still get what you're looking for. – rob Jul 21 '13 at 16:25 ...
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Scala: Nil vs List()

...t? Example - scala> Map(1 -> "hello", 2 -> "world").foldLeft(List[String]())( (acc, el) => acc :+ el._2) res1: List[String] = List(hello, world) Using Nil as the accumulator here wouldn't work. – Kevin Meredith Nov 17 '13 at 4:57 ...
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How get integer value from a enum in Rails?

...r value Update for rails 5 For rails 5 the above method now returns the string value :( The best method I can see for now is: my_model.sale_info_before_type_cast Shadwell's answer also continues to work for rails 5. s...
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Count cells that contain any text

...nts. Text entries and numbers are counted, even when they contain an empty string of length 0. Example: Function in A7 =COUNTA(A1:A6) Range: A1 a A2 b A3 banana A4 42 A5 A6 A7 4 -> result Google spreadsheet function list contains a list of all available functions for future reference h...
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Resize a large bitmap file to scaled output file on Android

...nswer translated to code (works perfect for me): private Bitmap getBitmap(String path) { Uri uri = getImageUri(path); InputStream in = null; try { final int IMAGE_MAX_SIZE = 1200000; // 1.2MP in = mContentResolver.openInputStream(uri); // Decode image size BitmapFactory.Options op...
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How to change options of with jQuery?

...lue)); where comboBx is your combo box id. or you can append options as string to the already existing innerHTML and then assign to the select innerHTML. Edit If you need to keep the first option and remove all other then you can use var firstOption = $("#cmb1 option:first-child"); $("#cmb1")....
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Django - Circular model import issue

... Remove the import of Theme and use the model name as a string instead. theme = models.ForeignKey('themes.Theme') share | improve this answer | follow ...
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ActiveModel::ForbiddenAttributesError when creating new user

...ile_phone, :work_phone] end The form will pass say a radio selector as a string param. That's what happened in my case. The simple fix is to change enum to strings instead of symbols enum preferred_phone: %w[home_phone mobile_phone work_phone] # or more verbose enum preferred_phone: ['home_phone'...
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change text of button and disable button in iOS

... states extension UIButton { public func setAllStatesTitle(_ newTitle: String){ self.setTitle(newTitle, for: .normal) self.setTitle(newTitle, for: .selected) self.setTitle(newTitle, for: .disabled) } } and use: yourBtn.setAllStatesTitle("btn title") ...