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Flatten an Array of Arrays in Swift

... Swift 4.x/5.x Just to add a bit more complexity in the array, if there is an array that contains array of arrays, then flatMap will actually fail. Suppose the array is var array:[Any] = [1,2,[[3,4],[5,6,[7]]],8] What flatMap or compactMap returns i...
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In which order do CSS stylesheets override?

...le rules of the same "specificity level" exist, whichever one appears last wins. share | improve this answer | follow | ...
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from list of integers, get number closest to a given value

...Note that we had to stack everything in its favour for the min solution to win. share | improve this answer | follow | ...
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Is cout synchronized/thread-safe?

... @ildjarn, I'm fine with the garbage data, that bit I understand. I'm just interested in the data race condition, which seems to be clear now. – edA-qa mort-ora-y Jun 16 '11 at 19:55 ...
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Sort Go map values by keys

...port/allow 'interface{}' as the value (or /* key) of a map such that any arbitrary type can be substituted at /* run time, so several of these nearly-identical functions might be /* needed for different key/value type combinations. */ func sortedMap<K><T>(m map[<K>]<V>, f fun...
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How do I suspend painting for a control and its children?

... make large modifications to. I'd like to completely prevent it from redrawing while I do that - SuspendLayout and ResumeLayout aren't enough. How do I suspend painting for a control and its children? ...
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Looping through the content of a file in Bash

...t, you can open the file using a different file descriptor: while read -u 10 p; do ... done 10<peptides.txt Here, 10 is just an arbitrary number (different from 0, 1, 2). share | improve thi...
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MongoDB: Combine data from multiple collections into one..how?

...pies_sold field with the total copies sold, you will have to work a little bit more, probably using an intermediary collection that will, then, be $out to the final collection. share | improve this ...
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Get the value of an instance variable given its name

... Uncovering the dead thread for a little bit of clarity. The complete example would be: class Computer attr_read :cpus def new(cpus) @cpus = cpus end end ? – Nicolas de Fontenay Aug 5 '13 at 16:50 ...
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What are 'get' and 'set' in Swift?

...e than 3. Swift got it easy for you and it is important to understand this bit-advance way of dating the variable value because they will extensively use in iOS development. Now let's see how get and set will be used here. class X { var _x: Int = 3 var x: Int { get { ret...