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View list of all JavaScript variables in Google Chrome Console

...bining his solution with what has been discovered on this thread as well. https://davidwalsh.name/global-variables-javascript x = {}; var iframe = document.createElement('iframe'); iframe.onload = function() { var standardGlobals = Object.keys(iframe.contentWindow); for(var b in window) { ...
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What is unit testing? [closed]

...rough its paces, it works great, you move on to the next task. Nine months down the line and two versions later someone else makes a change to some seemingly unrelated part of the program, and it breaks the module. Worse, they test their changes, and their code works, but they don't test your module...
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Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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Scanner vs. StringTokenizer vs. String.Split

...trading some flexibility, to get a speed-boost, which I did at JFastParser https://github.com/hughperkins/jfastparser Testing on a string containing one million doubles: Scanner: 10642 ms Split: 715 ms StringTokenizer: 544ms JFastParser: 290ms ...
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Cleaner way to update nested structures

...ormation across the entire data structure, according to some strategy (top-down, bottom-up), and based on rules that match against the value at some point in the structure. The classical example is transforming an AST for a language, perhaps to evaluate, simplify, or collect information. Kiama suppo...
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What are the pros and cons of git-flow vs github-flow? [closed]

...where releases are done once every few weeks, but that this process breaks down considerably when you’re releasing once a day or more. In short: Start with a model as simple as possible (like GitHub flow tends to be), and move towards a more complex model if you need to. You can see an inter...
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What does bundle exec rake mean?

...o you can use bundle exec by default within a specific project directory: https://thoughtbot.com/blog/use-bundlers-binstubs share | improve this answer | follow ...
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How do you round UP a number in Python?

...rs, one way of rounding up is to take advantage of the fact that // rounds down: Just do the division on the negative number, then negate the answer. No import, floating point, or conditional needed. rounded_up = -(-numerator // denominator) For example: >>> print(-(-101 // 5)) 21 ...
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How do you check if a variable is an array in JavaScript? [duplicate]

...me. Array.prototype, is actually an array. you can read more about it here https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray variable instanceof Array This method runs about 1/3 the speed as the first example. Still pretty solid, looks cleaner, if you'...
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Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths - why?

...in their implementation? Seems fine to me for a Stage deletion to cascade down to Side both directly and through a Card – aaaaaa Jul 4 '17 at 22:20 ...