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How to make Twitter Bootstrap menu dropdown on hover rather than click

... I created a pure on hover dropdown menu based on the latest (v2.0.2) Bootstrap framework that has support for multiple submenus and thought I'd post it for future users: body { padding-top: 60px; padding-bottom: 40px; } .sidebar-nav { padding: 9px 0; } .dropdown-menu...
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Convert ArrayList to String[] array [duplicate]

... | edited Apr 13 '15 at 20:45 Pshemo 109k1818 gold badges159159 silver badges232232 bronze badges answe...
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Bootstrap: align input with button

...repend and input-group-append classes (see https://getbootstrap.com/docs/4.0/components/input-group/#button-addons) Group button on the left side (prepend) <div class="input-group mb-3"> <div class="input-group-prepend"> <button class="btn btn-outline-secondary" type="button"&...
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How to trigger a build only if changes happen on particular set of files

... answered Feb 10 '12 at 21:04 Aaron KushnerAaron Kushner 75666 silver badges44 bronze badges ...
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Reading Excel files from C#

... var fileName = string.Format("{0}\\fileNameHere", Directory.GetCurrentDirectory()); var connectionString = string.Format("Provider=Microsoft.Jet.OLEDB.4.0; data source={0}; Extended Properties=Excel 8.0;", fileName); var adapter = new OleDbDataAdapter("SE...
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Pip install Matplotlib error with virtualenv

...the trick! – grisaitis Feb 4 '13 at 0:59 2 It may work, but note that it wants to install quite a...
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How to create a WPF UserControl with NAMED content

...| edited May 28 '11 at 18:04 H.B. 133k2525 gold badges274274 silver badges350350 bronze badges answered ...
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pandas GroupBy columns with NaN (missing) values

...ore doing the groupby (e.g. -1): In [11]: df.fillna(-1) Out[11]: a b 0 1 4 1 2 -1 2 3 6 In [12]: df.fillna(-1).groupby('b').sum() Out[12]: a b -1 2 4 1 6 3 That said, this feels pretty awful hack... perhaps there should be an option to include NaN in groupby (see this g...
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Does Python have a ternary conditional operator?

... The order may seems strange for coders however f(x) = |x| = x if x > 0 else -x sounds very natural to mathematicians. You may also understand it as do A in most case, except when C then you should do B instead... – yota Jan 25 '16 at 15:07 ...
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sh: 0: getcwd() failed: No such file or directory on cited drive

... with the same name. – Jackson Nov 20 '15 at 18:45 exactly true! nice! – farhad goodarzi ...