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Singletons vs. Application Context in Android?

Recalling this post enumerating several problems of using singletons and having seen several examples of Android applications using singleton pattern, I wonder if it's a good idea to use Singletons instead of single instances shared through global application state (subclassing android.os.Applicat...
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Vim indent xml file

...want to format. Then, in normal mode, type ! xmllint --format - Your command-line at the bottom will look like this: :'<,'>!xmllint --format - Then hit enter. Technical Explanation The selected text is sent to the xmllint command, then --format'ed, and the results of xmllint are placed o...
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When does static class initialization happen?

...nstantiate a class, but I access a static field, are ALL the static blocks and private static methods used to instantiate private static fields called (in order) at that instant? ...
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Difference between parameter and argument [duplicate]

Is there a difference between a "parameter" and an "argument", or are they simply synonyms? 4 Answers ...
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CSS vertical alignment text inside li

I am displaying number of boxes in a row with fix height and width, generated from tags. now I need to align the text in the vertical center. The CSS vertical-align has no impact, maybe I am missing something??? ...
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Convert JavaScript String to be all lower case?

... what is time and space complexity of toLowerCase() function? – Ramzan Chasygov Apr 4 '18 at 17:41 ...
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Android screen size HDPI, LDPI, MDPI [duplicate]

... that I need fit in all screen sizes. I have three folders, hdpi , ldpi and mdpi for drawables, but in the emulator there isn't any referense to what resolution hdpi is and what mdpi and ldpi are. ...
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Filter rows which contain a certain string

...mail in the comments above. You can use regular expressions for the second and subsequent arguments of filter like this: dplyr::filter(df, !grepl("RTB",TrackingPixel)) Since you have not provided the original data, I will add a toy example using the mtcars data set. Imagine you are only intereste...
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What is the difference between Modal and Push segue in Storyboards?

Can someone explain to me what is the exact difference between modal and push segue? 4 Answers ...
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Twig: in_array or similar possible within if statement?

I am using Twig as templating engine and I am really loving it. However, now I have run in a situation which definitely mustbe accomplishable in a simpler way than I have found. ...