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jQuery selectors on custom data attributes using HTML5

... $("ul[data-group='Companies'] li[data-company='Microsoft']") //Get all elements with data-company="Microsoft" below "Companies" $("ul[data-group='Companies'] li:not([data-company='Microsoft'])") //get all elements with data-company!="Microsoft" below "Companies" Look in to jQuery Selector...
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Why are margin/padding percentages in CSS always calculated against width?

... The actual reasoning of why the spec is written this way is still, technically, unknown. Element height is defined by the height of the children. If an element has padding-top: 10% (relative to parent height), that is going to affect the height of the parent. Since the height of the child...
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Is there a way to access an iteration-counter in Java's for-each loop?

...ide your own counter. The reason for this is that the for-each loop internally does not have a counter; it is based on the Iterable interface, i.e. it uses an Iterator to loop through the "collection" - which may not be a collection at all, and may in fact be something not at all based on indexes (...
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Secondary axis with twinx(): how to add to legend?

... adding the line: ax2.legend(loc=0) You'll get this: But if you want all labels on one legend then you should do something like this: import numpy as np import matplotlib.pyplot as plt from matplotlib import rc rc('mathtext', default='regular') time = np.arange(10) temp = np.random.random(10...
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How to find all occurrences of an element in a list?

...first occurrence of an item in a list. Is there a neat trick which returns all indices in a list for an element? 16 Answers...
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Do c++11 lambdas capture variables they don't use?

When I use [=] to indicate that I would like all local variables to be captured by value in a lambda, will that result in all local variables in the function being copied, or just all local variables that are used by the lambda ? ...
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Fastest way to replace NAs in a large data.table

....805 12.301 134.985 system.time(a_andrie = f_andrie(dt1)) Error: cannot allocate vector of size 305.2 Mb Timing stopped at: 14.541 7.764 68.285 system.time(f_dowle(dt1)) user system elapsed 7.452 4.144 19.590 # EDIT has faster than this identical(a_gdata, dt1) [1] TRUE Note th...
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How to get first character of string?

...le what you say is true, unfortunately charAt() without any parameters actually runs about 10x slower than chartAt(0) in Firefox as of Firefox 71. See for yourself here: jsperf.com/testing-the-first-character-in-a-string/1 – Stephen M Irving Dec 16 '19 at 21:54...
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npm: disable postinstall script for package

Is it any npm option exist to disable postinstall script while installing package? Or for rewriting any field from package.json? ...
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How to create a new (and empty!) “root” branch?

...ository. By "root" branch I mean a branch that is entirely independent of all the other branches in the repository 1 . 4 A...