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scale Image in an UIButton to AspectFit?

I want to add an image to a UIButton, and also want to scale my image to fit with the UIButton (make image smaller). Please show me how to do it. ...
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Constructing pandas DataFrame from values in variables gives “ValueError: If using all scalar values

...A': [a], 'B': [b]}) >>> df A B 0 2 3 or use scalar values and pass an index: >>> df = pd.DataFrame({'A': a, 'B': b}, index=[0]) >>> df A B 0 2 3 share | im...
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Retrieving a random item from ArrayList [duplicate]

I'm learning Java and I'm having a problem with ArrayList and Random . 12 Answers 1...
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How do I get the time of day in javascript/Node.js?

... This function will return you the date and time in the following format: YYYY:MM:DD:HH:MM:SS. It also works in Node.js. function getDateTime() { var date = new Date(); var hour = date.getHours(); hour = (hour < 10 ? "0" : "") + hour; var min...
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Elasticsearch query to return all records

I have a small database in Elasticsearch and for testing purposes would like to pull all records back. I am attempting to use a URL of the form... ...
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Makefile variable as prerequisite

... This will cause a fatal error if ENV is undefined and something needs it (in GNUMake, anyway). .PHONY: deploy check-env deploy: check-env ... other-thing-that-needs-env: check-env ... check-env: ifndef ENV $(error ENV is undefined) endif (Note that ifndef and endif...
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Detecting when a div's height changes using jQuery

I've got a div that contains some content that's being added and removed dynamically, so its height is changing often. I also have a div that is absolutely positioned directly underneath with javascript, so unless I can detect when the height of the div changes, I can't reposition the div below it. ...
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android get all contacts

How can I get all the names of the contacts in my Android and put them into array of strings? 8 Answers ...
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Memoization in Haskell?

...f :: Int -> Int faster_f n = f_list !! n That performs passably well, and replaces what was going to take O(n^3) time with something that memoizes the intermediate results. But it still takes linear time just to index to find the memoized answer for mf. This means that results like: *Main Dat...
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AngularJS - $anchorScroll smooth/duration

...ng $anchorScroll. As you discovered $anchorScroll doesn't have any options and doesn't work with $ngAnimate. In order to animate the scroll you would need to use your own service/factory or just straight javascript. For the sake of self-learning I put together an example with a smooth scrolling se...