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Where does the “flatmap that s***” idiomatic expression in Scala come from?

...h function might return null. When you actually use null you code will be riddled with null checks. But if you use Options instead of values, you can just flatmap the values with the desired functions, chaining the functions in the case of multiple functions and get a collection with just the result...
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super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh

... var channelOptions = { tags: "".split(" "), id: "1" }; initTagRenderer("".split(" "), "".split(" "), channelOptions); StackExchange.using("externalEditor", function() { // Have to fire editor after snippets, if snippets enabled...
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Add a new element to an array without specifying the index in Bash

...is syntax first appeared in version 3.1-alpha1. – David Yaw Jan 3 '14 at 21:17 41 @Jas: To access...
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How do I tell Matplotlib to create a second (new) plot, then later plot on the old one?

... why did you use 111 ? – Yash Sodha May 16 '18 at 12:53 2 ...
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Lodash - difference between .extend() / .assign() and .merge()

In the Lodash library, can someone provide a better explanation of merge and extend / assign . 5 Answers ...
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Visual Studio 2010 annoyingly opens documents in wrong MDI pane

... Did you perhaps use the "New Horizontal Tab Group" command to split #1 into #1 and #2, then move your errors window into that? I would just try resetting the window layout and see if that fixes it. First, Window -> Close...
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Replace a value if null or undefined in JavaScript

...ment to apply the ?? C# operator to JavaScript and I don't know how. Consider this in C#: 5 Answers ...
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What's the point of 'meta viewport user-scalable=no' in the Google Maps API

...e user will see a big ol' pixelated image with huge pixelated labels. The idea is that the user should use the zooming provided by Google Maps. Not sure about any interaction with your plugin, but that's what it's there for. More recently, as @ehfeng notes in his answer, Chrome for Android (and p...
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Reuse Cucumber steps

...looks like this: Given /^I login successfully$/ step "I login with valid credentials" end Old, deprecated method (for reference): You can call steps from other steps like this: Given /^I login successfully$/ Given "I login with valid credentials" Then "I should be logged in" end I...
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How do I convert a hexadecimal color to rgba with the Less compiler?

...: background: none\9; // Only Internet Explorer 8 filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d')", argb(@rgba-color),argb(@rgba-color))); // Internet Explorer 9 and down // Problem: Filter gets applied twice in Internet Explorer 9. // So...