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Python argparse: default value or specified value

...ring as default) and "" (empty string as entered by user). In the code for now I'm using the default and since I need to do some ops, I have something like this self.foo = (args.bar or some_else_source).upper(). It will break on None object AFAIUC. – 0andriy Au...
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How can you get the Manifest Version number from the App's (Layout) XML variables?

...rsion number in the main part of the code. What I have been doing up until now is to link the version number in a String XML file to the manifest (@string/Version). What I would like to do is to do it the other way around, link a string XML variable to the version in the manifest. The reason? I'd li...
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What is the difference between partitioning and bucketing a table in Hive ?

I know both is performed on a column in the table but how is each operation different. 8 Answers ...
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Share variables between files in Node.js?

...'/../config/environments/' + process.env.NODE_ENV + '.json') || {}); And now you can get the data like this: // File: server.js ... var config = require('./config/config'); ... mailer.setTransport(nodemailer.createTransport(config.mailerType, config.mailerConfig)); Scenario 2: Use a constants f...
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How do you iterate through every file/directory recursively in standard C++?

... This used to be a good answer, but now that <filesystem> is standard, it's better to simply use is (see other answers for an example). – Gathar Aug 12 '19 at 14:01 ...
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Coalesce function for PHP?

... Ironically, this is now the first hit for "php coalesce" on Google. – Will Shaver Aug 23 '14 at 15:52 ...
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How do I have an enum bound combobox with custom string formatting for enum values?

...run-of-the-mill never-will-be-globalized-in-any-way piece of software. (I know, that assumption will turn out to be false later. ;-)) – peSHIr Apr 28 '09 at 8:15 add a comment...
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Mimicking sets in JavaScript?

...or somethings called ES 2015 has a built-in Set object. It is implemented now in some browsers. Since browser availability changes over time, you can look at the line for Set in this ES6 compatibility table to see the current status for browser availability. One advantage of the built-in Set objec...
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How to properly reuse connection to Mongodb across NodeJs application and modules

... I tried this code but I got null when do mongoUtil.getDb(), I don't know why is that. – Keming Jan 17 '18 at 19:44 3 ...
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How can I get a web site's favicon?

...s/files from the same place. Getting the default icons from my system for known file types isn't terribly complicated, but I don't know how to get the favicon from a website. (SO has the grey->orange stack icon in the address bar for instance) ...