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Get index of array element faster than O(n)

... answered Jul 24 '12 at 8:05 RogerRoger 6,91155 gold badges3434 silver badges6060 bronze badges ...
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How to create a MySQL hierarchical recursive query

I have a MySQL table which is as follows: 15 Answers 15 ...
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Get a list of URLs from a site [closed]

... It errored out for me: ::::::: An error occured There was an error while accessing the URL specified: 159.121.ssss Please make sure to specify the correct website URL and resubmit your request. – JustJohn ...
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Relationship between hashCode and equals method in Java [duplicate]

.... – Davide Pugliese Aug 1 '19 at 14:05 add a comment  |  ...
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How can I add new array elements at the beginning of an array in Javascript?

...ation) – dreftymac Jul 26 '13 at 21:05 25 ...
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Joining three tables using MySQL

...yntax, it is well worth your time to learn it. It will help you avoid JOIN errors like you have made in the future. – RedFilter Sep 14 '10 at 14:38 ...
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Can I use conditional statements with EJS templates (in JMVC)?

...line? That is writing <% if (true) { include foo/bar } %> appears to error. Is there a method similar or is it necessary to break out the include by <% %>. – kuanb Sep 12 '16 at 21:48 ...
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From io.Reader to string in Go

.... Example: buf := new(strings.Builder) n, err := io.Copy(buf, r) // check errors fmt.Println(buf.String()) OUTDATED INFORMATION BELOW The short answer is that it it will not be efficient because converting to a string requires doing a complete copy of the byte array. Here is the proper (non-ef...
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round() doesn't seem to be rounding properly

... If you get this error NameError: global name 'ROUND_UP' is not defined you need to import your rounding function: from decimal import Decimal, ROUND_UP. Other rounding functions – Stephen Blair Jul 18 '...
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Fetch frame count with ffmpeg

... number. See Edit lists below. ffprobe: Query the container ffprobe -v error -select_streams v:0 -show_entries stream=nb_frames -of default=nokey=1:noprint_wrappers=1 input.mp4 This is a fast method. Not all formats (such as Matroska) will report the number of frames resulting in the output o...