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Activity has leaked window that was originally added

...ct to the scene (shouldn't have happened but it did) but it didn't give an extra exception for it and the whole thing was masked by the "leaked window" exception instead. – Neph Sep 10 '18 at 12:47 ...
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Eager load polymorphic

...w you join a table named by the value stored in a column. By defining the extra relationship belongs_to :shop, you are giving ActiveRecord the information it needs to complete the join. share | imp...
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How to implement a rule engine?

... all operators before compiling the rules: var nameMap = new Dictionary<string, string> { { "greater_than", "GreaterThan" }, { "hasAtLeastOne", "Contains" } }; The code uses the type User for simplicity. You can replace User with a generic type T to have a generic Rule compiler for an...
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Is there a way to make text unselectable on an HTML page? [duplicate]

... you can use this selector [unselectable=on]{...} then you avoid putting extra class – venimus Apr 29 '11 at 18:33 1 ...
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NSDate beginning of day and end of day

...n)! let specificDate = Date("2020-01-01") extension Date { init(_ dateString:String) { let dateStringFormatter = DateFormatter() dateStringFormatter.dateFormat = "yyyy-MM-dd" dateStringFormatter.locale = NSLocale(localeIdentifier: "en_US_POSIX") as Locale let dat...
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In Markdown, what is the best way to link to a fragment of a page, i.e. #some_id?

...nt anchor. This will help to keep your HTML clean, as there's no need for extra markup. share | improve this answer | follow | ...
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When to add what indexes in a table in Rails

...add: add_index :photos, [:created_at, :version] Note: An index takes up extra space on the disk and makes it slower to create and update each record, because it has to rebuild each index. Credit: https://tomafro.net/2009/08/using-indexes-in-rails-choosing-additional-indexes, rails - created_at ...
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Overlaying histograms with ggplot2 in R

...e nicely with more complicated plots, such as mixed calls to aes() and aes_string(). – rensa Apr 4 '16 at 3:41 2 ...
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YAML current date in rmarkdown

... a list includes: after_body: [ ... ] as valid YAML would only be filename strings... So no possibility of includes: "`r list.files(...)`" ? – Louis Maddox Mar 2 '15 at 18:33 ...
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Custom attributes - Yea or nay?

...om attributes in their HTML tags, mainly for the purpose of embedding some extra bits of data for use in javascript code. 1...