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MongoDB aggregation framework match OR

...n' }] } Like so, since the $match operator just takes what you would normally put into the find() function share | improve this answer | follow | ...
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What does the git index contain EXACTLY?

...ns an article on what an index includes: The index is a binary file (generally kept in .git/index) containing a sorted list of path names, each with permissions and the SHA1 of a blob object; git ls-files can show you the contents of the index: $ git ls-files --stage 100644 63c918c667fa005ff12ad89...
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Phase • Animations made easy! - Extensions - Kodular Community

...l arrangement containing a complex group of components, Phase has got them all covered! Blocks Phase features a lot of 15 primary blocks. Most of these blocks are self-explanatory, but in case you need to learn more, you can hover over them in the blocks editor to see their documentation. Events...
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How to create an HTML button that acts like a link?

... type="submit">. The only difference is that the <button> element allows children. You'd intuitively expect to be able to use <button href="https://google.com"> analogous with the <a> element, but unfortunately no, this attribute does not exist according to HTML specification. ...
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Reading a binary file with python

...ve something to unpack is pretty trivial: import struct data = open("from_fortran.bin", "rb").read() (eight, N) = struct.unpack("@II", data) This unpacks the first two fields, assuming they start at the very beginning of the file (no padding or extraneous data), and also assuming native byte-or...
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What is the difference between Reader and InputStream?

... is designed for character streams. If the information you are reading is all text, then the Reader will take care of the character decoding for you and give you unicode characters from the raw input stream. If you are reading any type of text, this is the stream to use. You can wrap an InputStre...
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git submodule tracking latest

...6: submodule add: If --branch is given, record it in .gitmodules This allows you to easily record a submodule.<name>.branch option in .gitmodules when you add a new submodule. With this patch, $ git submodule add -b <branch> <repository> [<path>] $ git config -f .gitm...
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How to send email attachments?

... best answer for me but there is a small error: replace import pathlibwith from pathlib import Path – AleAve81 Apr 29 at 20:38 ...
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Get week of year in JavaScript like in PHP

...light saving was observed and years where 1 Jan was Friday. Fixed by using all UTC methods. The following returns identical results to Moment.js. /* For a given date, get the ISO week number * * Based on information at: * * http://www.merlyn.demon.co.uk/weekcalc.htm#WNR * * Algor...
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HTML5 Pre-resize images before uploading

...le); var ctx = canvas.getContext("2d"); ctx.drawImage(img, 0, 0); var MAX_WIDTH = 800; var MAX_HEIGHT = 600; var width = img.width; var height = img.height; if (width > height) { if (width > MAX_WIDTH) { height *= MAX_WIDTH / width; width = MAX_WIDTH; } } else { if (height &gt...