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How to draw polygons on an HTML5 canvas?

... @AlexanderDixon The javascript above is really not a good example. All variables need var, in the above code item is a polluting the global namespace. Everything is on one line, which reduces readability. If you don't care about readability then you might as well remove the curly brac...
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addEventListener not working in IE8

... created a checkbox dynamically. I have used addEventListener to call a function on click of the checkbox, which works in Google Chrome and Firefox but doesn't work in Internet Explorer 8 . This is my code: ...
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What is the perfect counterpart in Python for “while not EOF

... bytes returned from a read. In C, you might have: while ((ch != '\n') && (ch != EOF)) { // read the next ch and add to a buffer // .. } However, you cannot have this in Python: while (line = f.readline()): # syntax error because assignments are not allowed in expressions...
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do N times (declarative syntax)

...based on Array.forEach, without any library, just native vanilla. To basically call something() 3 times, use: [1,2,3].forEach(function(i) { something(); }); considering the following function: function something(){ console.log('something') } The outpout will be something something somethi...
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Git - How to use .netrc file on Windows to save user and password

...to 'C:\Users\"username"'. Go that that folder (cd %HOME%) and make a file called '_netrc' Note: Again, for Windows, you need a '_netrc' file, not a '.netrc' file. Its content is quite standard (Replace the <examples> with your values): machine <hostname1> login <login1> password...
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What Automatic Resource Management alternatives exist for Scala?

... For now Scala 2.13 has finally supported: try with resources by using Using :), Example: val lines: Try[Seq[String]] = Using(new BufferedReader(new FileReader("file.txt"))) { reader => Iterator.unfold(())(_ => Option(reader.readLine()).ma...
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Laravel Eloquent: Ordering results of all()

...sorting the collection with sortBy() happens inside the Laravel Engine (in PHP), while the orderBy() is done in the database. Surely the database is going to be quicker in almost all conceivable situations, and as your dataset increases so will the disparity in performance. I'd love to hear other pe...
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Making your .NET language step correctly in the debugger

...ev11 from http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=27543 and comment with any feedback. (Must target 4.5) Update 2: Leppie has verified the fix to work for him on the Beta version of Dev11 available at http://www.microsoft.com/visualstudio/11/en-us/downloads as noted...
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Command-line Unix ASCII-based charting / plotting tool

... While gnuplot is powerful, it's also really irritating when you just want to pipe in a bunch of points and get a graph. Thankfully, someone created eplot (easy plot), which handles all the nonsense for you. It doesn't seem to have an option to force terminal gra...
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TextView.setTextSize behaves abnormally - How to set text size of textview dynamically for different

Calling TextView.setTextSize() is working abnormally. Right after the call to setTextSize if we get a getTextSize its returning a much higher value that what we set it to earlier. ...