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Android studio - Failed to find target android-18

...roid-L (latest) Set the Build Tools version to largest available value (in my case 20.0.0) These changes via the UI make the equivalent changes represented in other answers but is a better way to proceed because on close, all appropriate files (current and future) will be updated automatically (w...
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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?

... you mean to see test data instead? If I understand right, I should divide my data first into training and test datasets, then further portion off some of my training dataset into a validation dataset. So in step 5, if I am measuring the variance on my test data, shouldn't I randomly sample populati...
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How to import classes defined in __init__.py

I am trying to organize some modules for my own use. I have something like this: 7 Answers ...
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Client on node: Uncaught ReferenceError: require is not defined

...y) Browserify - You can use most Node.js modules in the browser. This is my personal favorite. Webpack - Does everything (bundles JS, CSS, etc). Made popular by the surge of React.js. Notorious for its difficult learning curve. Rollup - New contender. Leverages ES6 modules. Includes tree-shaking a...
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Are the days of passing const std::string & as a parameter over?

...g object, foo2 will outperform foo1, because foo1 will do a deep copy. On my PC, using g++ 4.6.1, I got these results : variable by reference: 1000000000 iterations -> time elapsed: 2.25912 sec variable by value: 1000000000 iterations -> time elapsed: 27.2259 sec literal by reference: 10000...
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What's the use/meaning of the @ character in variable names in C#?

...ered that you can start your variable name with a '@' character in C#. In my C# project I was using a web service (I added a web reference to my project) that was written in Java. One of the interface objects defined in the WSDL had a member variable with the name "params". Obviously this is a rese...
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Typical AngularJS workflow and project structure (with Python Flask)

...mpted to serve the index.html statically. I got around this by prepending my static file with app.root_path. Otherwise, this is pretty spot on. – Makoto Sep 28 '13 at 20:32 ...
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Unicode equivalents for \w and \b in Java regular expressions?

...e hack session, but it is completely functional. The short story is that my code rewrites those 14 as follows: \s => [\u0009-\u000D\u0020\u0085\u00A0\u1680\u180E\u2000-\u200A\u2028\u2029\u202F\u205F\u3000] \S => [^\u0009-\u000D\u0020\u0085\u00A0\u1680\u180E\u2000-\u200A\u2028\u2029\u202F\u2...
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T-SQL: Selecting rows to delete via joins

...INNER JOIN TableB b ON b.Bid = a.Bid AND [my filter condition] should work share | improve this answer | follow | ...
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jQuery autocomplete tagging plug-in like StackOverflow's input tags? [closed]

... (demo?) http://jcesar.artelogico.com/jquery-tagselector/ (demo?) http://remysharp.com/wp-content/uploads/2007/12/tagging.php (demo?) http://pietschsoft.com/post/2011/09/09/Tag-Editor-Field-using-jQuery-similar-to-StackOverflow.aspx Related: https://meta.stackexchange.com/questions/100669/feedba...