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generate days from date range

...ops, procedures, or temp tables. The subquery generates dates for the last 10,000 days, and could be extended to go as far back or forward as you wish. select a.Date from ( select curdate() - INTERVAL (a.a + (10 * b.a) + (100 * c.a) + (1000 * d.a) ) DAY as Date from (select 0 as a union al...
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Python 3.x rounding behavior

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Cutting the videos based on start and end time using ffmpeg

...y copy. For example: ffmpeg -i movie.mp4 -ss 00:00:03 -t 00:00:08 -async 1 cut.mp4 When re-encoding you may also wish to include additional quality-related options or a particular AAC encoder. For details, see ffmpeg's x264 Encoding Guide for video and AAC Encoding Guide for audio. Also, the -...
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How do you select a particular option in a SELECT element in jQuery?

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Create an array or List of all dates between two dates [duplicate]

... LINQ: Enumerable.Range(0, 1 + end.Subtract(start).Days) .Select(offset => start.AddDays(offset)) .ToArray(); For loop: var dates = new List<DateTime>(); for (var dt = start; dt <= end; dt = dt.AddDays(1)) { date...
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Mimicking sets in JavaScript?

...bj = {}; // or create an object with some items already in it var obj = {"1":true, "2":true, "3":true, "9":true}; Question 1: Is A in the list: if (A in obj) { // put code here } Question 2: Delete 'A' from the list if it's there: delete obj[A]; Question 3: Add 'A' to the list if it wasn't a...
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Get DOS path instead of Windows path

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How do I import CSV file into a MySQL table?

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How to import multiple .csv files at once?

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Python Pandas merge only certain columns

Is it possible to only merge some columns? I have a DataFrame df1 with columns x, y, z, and df2 with columns x, a ,b, c, d, e, f, etc. ...