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Javascript roundoff number to nearest 0.5

...on monetary values that was coming back with like 9 decimal points... (num*100)/100 worked perfectly. – Dustin Kreidler Feb 12 '19 at 16:53 ...
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Change Active Menu Item on Page Scroll?

... } }); } body, html { margin: 0; padding: 0; height: 100%; width: 100%; } .menu { width: 100%; height: 75px; background-color: rgba(0, 0, 0, 1); position: fixed; background-color:rgba(4, 180, 49, 0.6); -webkit-transition: all 0.4s ease; ...
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How do I use WPF bindings with RelativeSource?

...t name <Rectangle Fill="Red" Name="rectangle" Height="100" Stroke="Black" Canvas.Top="100" Canvas.Left="100" Width="{Binding ElementName=rectangle, Path=Height}"/> But in this above case we are obliged to indicate the nam...
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How to add a progress bar to a shell script?

...######## (66%)\r' sleep 1 echo -ne '####################### (100%)\r' echo -ne '\n' In a comment below, puk mentions this "fails" if you start with a long line and then want to write a short line: In this case, you'll need to overwrite the length of the long line (e.g., with spaces)....
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How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites

...nction timeSince(date) { var seconds = Math.floor((new Date() - date) / 1000); var interval = seconds / 31536000; if (interval > 1) { return Math.floor(interval) + " years"; } interval = seconds / 2592000; if (interval > 1) { return Math.floor(interval) + " months"; } ...
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Is there a splice method for strings?

...& joining) is twice slower than the former solution (using slice), for 100-letter strings it's x5 and for 1000-letter strings it's x50, in Ops/sec it's: 10 letters 100 letters 1000 letters slice implementation 1.25 M 2.00 M 1.91 M split implementation ...
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Increasing nesting function calls limit

...unction a1() that calls a2(), that calls a3... so when a99() will call a100() you will see 3 Answers ...
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How to update a plot in matplotlib?

...t matplotlib.pyplot as plt import numpy as np x = np.linspace(0, 6*np.pi, 100) y = np.sin(x) # You probably won't need this if you're embedding things in a tkinter plot... plt.ion() fig = plt.figure() ax = fig.add_subplot(111) line1, = ax.plot(x, y, 'r-') # Returns a tuple of line objects, thus t...
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How to horizontally center a

...o; border: 1px solid black; } #outer { border: 1px solid red; width:100% } <div id="outer"> <div id="inner">Foo foo</div> </div> EDIT With flex-box, it is very easy to style the div horizontally and vertically centered. #inner { border: 1px solid black; }...
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Grouping functions (tapply, by, aggregate) and the *apply family

... +100 R has many *apply functions which are ably described in the help files (e.g. ?apply). There are enough of them, though, that beginni...