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Template default arguments

...ee asked themselves the same, I guess. Now, with C++17, the <> is no more necessary in this case. Check out my answer for more details. – Paolo M Jun 21 '18 at 14:27 ...
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How do I catch a PHP fatal (`E_ERROR`) error?

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PHP: How to remove specific element from an array?

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How to change the font size on a matplotlib plot

... Where can I find more options for elements like 'family', 'weight', etc.? – haccks Jun 11 '15 at 9:26 2 ...
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How to add spacing between UITableViewCell

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Algorithm to return all combinations of k elements from n

... The second place, with one change {1,3,4} has one change but accounts for more change since it's in the second place (proportional to the number of elements in the original set). The method I've described is a deconstruction, as it seems, from set to the index, we need to do the reverse – which ...
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Shards and replicas in Elasticsearch

... Since you have "number_of_replicas":1, the replicas cannot be assigned anymore as they are never allocated on the same node where their primary is. That's why you'll have 5 unassigned shards, the replicas, and the cluster status will be YELLOW instead of GREEN. No data loss, but it could be better ...
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Core Data: Quickest way to delete all instances of an entity

...tor executeRequest:delete withContext:myContext error:&deleteError]; More information about batch deletions can be found in the "What's New in Core Data" session from WWDC 2015 (starting at ~14:10). iOS 8 and earlier: Fetch 'em all and delete 'em all: NSFetchRequest *allCars = [[NSFetchRequ...
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Why should eval be avoided in Bash, and what should I use instead?

... There's more to this problem than meets the eye. We'll start with the obvious: eval has the potential to execute "dirty" data. Dirty data is any data that has not been rewritten as safe-for-use-in-situation-XYZ; in our case, it's a...
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How can I exclude all “permission denied” messages from “find”?

...opoldHertz준영: If you don't want to output to an external file, just do more plumbing: { find . 3>&2 2>&1 1>&3 | grep -v 'Permission denied' >&3; } 3>&2 2>&1 – gniourf_gniourf Dec 25 '16 at 22:12 ...