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Cache Invalidation — Is there a General Solution?

...anges the file, and this component in turn could notify the component that transforms the data. I don't think there is any general magic fix to make the problem go away. But in many practical cases there may very well be opportunities to transform a "polling"-based approach into an "interrupt"-bas...
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How to convert a selection to lowercase or uppercase in Sublime Text

...t docs for Windows/Linux: Keypress Command Ctrl + K, Ctrl + U Transform to Uppercase Ctrl + K, Ctrl + L Transform to Lowercase and for Mac: Keypress Command cmd + KU Transform to Uppercase cmd + KL Transform to Lowercase Also note that Ctrl + Shift + p in Windows (⌘ + S...
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java.net.URLEncoder.encode(String) is deprecated, what should I use instead?

... ISO Latin Alphabet No. 1, a.k.a. ISO-LATIN-1 UTF-8 Eight-bit UCS Transformation Format UTF-16BE Sixteen-bit UCS Transformation Format, big-endian byte order UTF-16LE Sixteen-bit UCS Transformation Format, little-endian byte order UTF-16 Sixteen-bit UCS Transformation Form...
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How to align absolutely positioned element to center?

...nowing it's width and height do: position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); Example: *{ margin:0; padding:0; } section{ background:red; height: 100vh; width: 100vw; } div{ width: 80vw; height: 80vh; background: white; position...
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Possible to iterate backwards through a foreach?

...;T> Invert<T>(this IEnumerable<T> source) { var transform = source.Select( (o, i) => new { Index = i, Object = o }); return transform.OrderByDescending(o => o.Index) ...
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vertical-align with Bootstrap 3

...r: .display-flex-center { display: flex; align-items: center; } Transform translateY method: .transform-center-parent { position: relative; transform-style: preserve-3d; } .transform-center { position: relative; top: 50%; transform: translateY(-50%); } Display inli...
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Resize image proportionally with CSS? [duplicate]

... Try transform: scale(0.5, 0.5); -ms-transform: scale(0.5, 0.5); -webkit-transform: scale(0.5, 0.5); share | improve this answe...
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What is the difference between map and flatMap and a good use case for each?

...es0: Array[String] = Array("Roses are red", "Violets are blue") Now, map transforms an RDD of length N into another RDD of length N. For example, it maps from two lines into two line-lengths: rdd.map(_.length).collect res1: Array[Int] = Array(13, 16) But flatMap (loosely speaking) transfo...
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Change one value based on another value in pandas

... call .apply() on an entire dataframe rather than on a single column: def transform_row(r): r.animal = 'wild ' + r.type r.type = r.animal + ' creature' r.age = "{} year{}".format(r.age, r.age > 1 and 's' or '') return r df.apply(transform_row, axis=1) In[4]: Out[4]: an...
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CSS3 Continuous Rotate Animation (Just like a loading sundial)

...ion 2s infinite linear; } @-webkit-keyframes rotation { from {-webkit-transform: rotate(0deg);} to {-webkit-transform: rotate(359deg);} } Also what might be more resemblant of the apple loading icon would be an animation that transitions the opacity/color of the stripes of gray instead ...