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Does Javascript pass by reference? [duplicate]

...m very confused about my parameter for the rectangle function. It is actually undefined , and redefined inside the function. There are no original reference. If I remove it from the function parameter, the inside area function is not able to access it. ...
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How to send an email with Gmail as provider using Python?

...smtp.gmail.com:587') server.ehlo() server.starttls() Also you should really create From:, To: and Subject: message headers, separated from the message body by a blank line and use CRLF as EOL markers. E.g. msg = "\r\n".join([ "From: user_me@gmail.com", "To: user_you@gmail.com", "Subject:...
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Cannot delete or update a parent row: a foreign key constraint fails

... (`advertiser_id`) REFERENCES `jobs` (`advertiser_id`); ...is actually the opposite to what it should be. As it is, it means that you'd have to have a record in the jobs table before the advertisers. So you need to use: ALTER TABLE `jobs` ADD CONSTRAINT `advertisers_ibfk_1` FOREIGN KEY...
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How to crop circular area from bitmap in Android

I have a bitmap and I want to crop a circular region from this bitmap. All pixels outside the circle should be transparent. How can I do this? ...
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What are conventions for filenames in Go?

...he go test tool. Files with os and architecture specific suffixes automatically follow those same constraints, e.g. name_linux.go will only build on linux, name_amd64.go will only build on amd64. This is the same as having a //+build amd64 line at the top of the file See the docs for the go build...
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How to convert currentTimeMillis to a date in Java?

... Calendar objects are generally considered quite large, so should be avoided when possible. A Date object is going to be better assuming it has the functionality you need. "Date date=new Date(millis);" provided in the other answer by user AVD is going ...
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What is the correct way to create a single-instance WPF application?

...t the blog hasn't been updated in a while. That makes me worry that eventually it might disappear, and with it, the advocated solution. I'm reproducing the content of the article here for posterity. The words belong solely to the blog owner at Sanity Free Coding. Today I wanted to refactor so...
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Select random lines from a file

... @MonaJalal nope just faster, since it doesn't have to compare lines at all. – rogerdpack May 15 '17 at 17:20 Does ...
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Parse JSON String into a Particular Object Prototype in JavaScript

...olution below that applies Object.assign(..) recursively that can automatically resolve properties (with a bit of information provided in advance) – vir us Dec 8 '17 at 16:13 ...
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Do I need dependency injection in NodeJS, or how to deal with …?

...eaddirSync method or you can return an entirely different module when you call require. Method 1: var oldmethod = fs.readdirSync; fs.readdirSync = function(dir) { return ['somefile.txt', 'error.txt', 'anotherfile.txt']; }; *** PERFORM TEST *** *** RESTORE METHOD AFTER TEST **** fs.readddirS...