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CSS performance relative to translateZ(0)

...n element is 3D by using transform: translateZ(0) to speed up animations and transitions. I was wondering if there are implications to using this transform in the following manner: ...
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How to use z-index in svg elements?

...Fiddle. Solution (alternative) The tag use with the attribute xlink:href and as value the id of the element. Keep in mind that might not be the best solution even if the result seems fine. Having a bit of time, here the link of the specification SVG 1.1 "use" Element. Purpose: To avoid re...
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?

... The explanation comes from Agner Fog in Optimizing software in C++ and it reduces to how data is accessed and stored in the cache. For terms and detailed info, see the wiki entry on caching, I'm gonna narrow it down here. A cache is organized in sets and lines. At a time, only one set is u...
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Understanding dict.copy() - shallow or deep?

... 3, 4, 5]}, {1: [1, 2, 3, 4]}) So: b = a: Reference assignment, Make a and b points to the same object. b = a.copy(): Shallow copying, a and b will become two isolated objects, but their contents still share the same reference b = copy.deepcopy(a): Deep copying, a and b's structure and conte...
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Find string between two substrings [duplicate]

... edited Apr 26 '19 at 15:51 andilabs 16.9k1111 gold badges9393 silver badges123123 bronze badges answered Jul 30 '10 at 5:59 ...
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Uninitialized constant ActiveSupport::Dependencies::Mutex (NameError)

... This is an incompatibility between Rails 2.3.8 and recent versions of RubyGems. Upgrade to the latest 2.3 version (2.3.11 as of today). share | improve this answer ...
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Getting only response header from HTTP POST using curl

...rite the protocol headers to the specified file. This option is handy to use when you want to store the headers that a HTTP site sends to you. Cookies from the headers could then be read in a second curl invocation by using the -b, --cookie option! The -c, --...
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Iterate through a C++ Vector using a 'for' loop

I am new to the C++ language. I have been starting to use vectors, and have noticed that in all of the code I see to iterate though a vector via indices, the first parameter of the for loop is always something based on the vector. In Java I might do something like this with an ArrayList: ...
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git: diff between file in local repo and origin

... If [remote-path] and [local-path] are the same, you can do $ git fetch origin master $ git diff origin/master -- [local-path] Note 1: The second command above will compare against the locally stored remote tracking branch. The fetch comman...
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Generic method multiple (OR) type constraint

...t types. That means you could just as well leave out the generic parameter and provide overloads. – Botz3000 May 31 '12 at 13:00 ...