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What is the difference between declarative and imperative programming? [closed]

...n collection where item%2 != 0 select item would be the declarative form. Calling a function doesn't become declarative programming just because that function is in the System.Linq namespace. – Pete Kirkham Aug 28 '15 at 21:50 ...
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Finding JavaScript memory leaks with Chrome

...napshot. Repeat the same stuff. Take another heap snapshot. Filter objects allocated between Snapshots 1 and 2 in Snapshot 3's "Summary" view. For your example, I have adapted the code to show this process (you can find it here) delaying the creation of the Backbone View until the click event of t...
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How can I rotate an HTML 90 degrees?

... Just as a suggestion to all future readers: always place the prefixed rules before the standards definition. In this case, all browser-prefixed rules should be before the transform: rotate(90deg); rule. The reason would be that typically, you want t...
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Can I run HTML files directly from GitHub, instead of just viewing their source?

... Just an FYI: This doesn't seem to work at all for private repos, for obvious reasons. – rfay Sep 12 '13 at 19:45 ...
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How to detect a Christmas Tree? [closed]

... can be broken down into about 3 steps. First I apply a threshold (or actually, the logical "or" of two separate and distinct thresholds). As with many of the other answers, I assumed that the Christmas tree would be one of the brighter objects in the scene, so the first threshold is just a simple...
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How to define “type disjunction” (union types)?

...str") case _: Int => println("int") } } And that's it. You can call foo(5) or foo("abc"), and it will work, but try foo(true) and it will fail. This could be side-stepped by the client code by creating a StringOrInt[Boolean], unless, as noted by Randall below, you make StringOrInt a seale...
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Intermittent log4net RollingFileAppender locked file issue

... Try adding <lockingModel type="log4net.Appender.FileAppender+MinimalLock" /> to your <appender /> element. There is some performance impact because this means that log4net will lock the file, write to it, and unlock it for each write operation (as opposed to the default behavior,...
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Is an empty href valid?

...leted by RFC 3986 (which is currently IETF’s URI standard), which essentially says the same. HTML5 HTML5 uses (valid URL potentially surrounded by spaces → valid URL) W3C’s URL spec, which has been discontinued. WHATWG’s URL Standard should be used instead (see the last section). HTML 5.1...
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Opening Vim help in a vertical split window

... when I run :help ____ it always opens like that? – Tallboy May 7 '12 at 20:37 13 @Tallboy Try cn...
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How do I format a string using a dictionary in python-3.x?

...3). In many languages, it is known as splat operator. In JavaScript, it's called spread operator. In python, there is no particular name given to this operator. – abhisekp Apr 15 '17 at 12:01 ...