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MongoDB Aggregation: How to get total records count?

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Android canvas draw rectangle

...th(0); paint.setColor(Color.CYAN); canvas.drawRect(33, 60, 77, 77, paint ); paint.setColor(Color.YELLOW); canvas.drawRect(33, 33, 77, 60, paint ); } } The activity to start it: StartDraw.java import android.app.Activity; import android.graphics.Color; import...
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How to extract the hostname portion of a URL in JavaScript

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How to duplicate a whole line in Vim?

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Batch script loop

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Java 8 Streams: multiple filters vs. complex condition

...00, averaged over 100 runs: LongSummaryStatistics{count=100, sum=8336, min=77, average=83.360000, max=189} one filter with predicate of form predOne.and(pred2), list size 10000000, averaged over 100 runs: LongSummaryStatistics{count=100, sum=9094, min=84, average=90.940000, max=176} two filters with...
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You have already activated X, but your Gemfile requires Y

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How to add a new row to datagridview programmatically

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find -exec with multiple commands

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PHP, get file name without file extension

... 77 https://php.net/manual/en/function.pathinfo.php pathinfo($path, PATHINFO_FILENAME); Simple f...