大约有 48,000 项符合查询结果(耗时:0.0452秒) [XML]

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How to change the color of an svg element?

...splay: none; } .no-svg .my-svg-alternate { display: block; width: 100px; height: 100px; background-image: url(image.png); } <svg width="96px" height="96px" viewBox="0 0 512 512" enable-background="new 0 0 512 512" xml:space="preserve"> <path id="time-3-icon" d="M256,50C142....
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What is in your Mathematica tool bag? [closed]

... processing. As an example of its utility, I've been working with Wannier90 which outputs the spatially dependent Hamiltonian into a file where each line is a different element in the matrix, as follows rx ry rz i j Re[Hij] Im[Hij] To turn that list into a set of matrices, I gathered up all subl...
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Sorting list based on values from another list?

...Y,X))] Example: X = ["a", "b", "c", "d", "e", "f", "g", "h", "i"] Y = [ 0, 1, 1, 0, 1, 2, 2, 0, 1] Z = [x for _,x in sorted(zip(Y,X))] print(Z) # ["a", "d", "h", "b", "c", "e", "i", "f", "g"] Generally Speaking [x for _, x in sorted(zip(Y,X), key=lambda pair: pair[0])] E...
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CocoaPods - use specific pod version

...rsion, 1.2.1) and saw that these didn't exist in the previous version (1.2.0). 4 Answers ...
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Replacing NAs with latest non-NA value

... divibisan 7,90699 gold badges2626 silver badges4343 bronze badges answered Oct 12 '11 at 5:32 Dirk EddelbuettelDir...
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Understanding “randomness”

...ough a pseudo-random variable: BarChart[BinCounts[RandomReal[{0, 1}, 50000], 0.01]] While this is the distribution you get after multiplying two random variables: BarChart[BinCounts[Table[RandomReal[{0, 1}, 50000] * RandomReal[{0, 1}, 500...
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How to get default gateway in Mac OSX

...milar to: route to: 98.137.149.56 destination: default mask: 128.0.0.0 gateway: 5.5.0.1 interface: tun0 flags: <UP,GATEWAY,DONE,STATIC,PRCLONING> recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire 0 0 0 0 ...
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How to drop a list of rows from Pandas dataframe?

... 401 Use DataFrame.drop and pass it a Series of index labels: In [65]: df Out[65]: one two...
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C++ performance challenge: integer to std::string conversion

... #include <string> const char digit_pairs[201] = { "00010203040506070809" "10111213141516171819" "20212223242526272829" "30313233343536373839" "40414243444546474849" "50515253545556575859" "60616263646566676869" "70717273747576777879" "80818283848586...
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Ruby on Rails and Rake problems: uninitialized constant Rake::DSL

... A tweet from DHH earlier. Rake .9.0 breaks Rails and several other things, you need to: gem "rake", "0.8.7" in your Gemfile. share | improve this answer ...