大约有 40,000 项符合查询结果(耗时:0.0469秒) [XML]

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Why is pow(a, d, n) so much faster than a**d % n?

... +1 that's actually what the docstring implies >>> print pow.__doc__ pow(x, y[, z]) -> number With two arguments, equivalent to x**y. With three arguments, equivalent to (x**y) % z, but may be more efficient (e.g. for longs). – Hedde van der Heide ...
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How can I create an object and add attributes to it?

... set on it. (I wish it could, for this exact purpose.) It doesn't have a __dict__ to hold the attributes. I generally just do this: class Object(object): pass a = Object() a.somefield = somevalue When I can, I give the Object class a more meaningful name, depending on what kind of data I'...
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jQuery event handlers always execute in order they were bound - any way around this? [duplicate]

...st parameter, and a key ("events" for us) as the second parameter. jQuery._data(<DOM element>, "events"); So here's the modified code for jQuery 1.8. // [name] is the name of the event "click", "mouseover", .. // same as you'd pass it to bind() // [fn] is the handler function $.fn.bindFir...
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How to refer environment variable in POM.xml?

...operties Guide... As Seshagiri pointed out in the comments, ${env.VARIABLE_NAME} will do what you want. I will add a word of warning and say that a pom.xml should completely describe your project so please use environment variables judiciously. If you make your builds dependent on your environment...
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XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv

...se with https://github.com/kripken/sql.js/) I created a file called base64_data.js (and used btoa() to convert the data that I needed and insert it into a <div> so I could copy it). var base64_data = "U1FMaXRlIGZvcm1hdCAzAAQA ...<snip lots of data> AhEHwA=="; and then included the da...
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Dynamic cell width of UICollectionView depending on label width

...ered Apr 17 '14 at 14:07 Basheer_CADBasheer_CAD 4,6982121 silver badges3535 bronze badges ...
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How do I associate a Vagrant project directory with an existing VirtualBox VM?

...othername". Stop the machine from provisioning: Create a file named action_provision in the same dir as the id file, set it's contents to: 1.5:{id} replacing {id} with the id found in step 1. Setup a new public/private key: Vagrant uses a private key stored in .vagrant/machines/default/virtualbox/...
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What is the difference between user and kernel modes in operating systems?

...e the state and returns to user mode. http://en.wikibooks.org/wiki/Windows_Programming/User_Mode_vs_Kernel_Mode http://tldp.org/HOWTO/KernelAnalysis-HOWTO-3.html http://en.wikipedia.org/wiki/Direct_memory_access http://en.wikipedia.org/wiki/Interrupt_request ...
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?

... # change this to desired chunk size for page in range(1, paginator.num_pages + 1): for row in paginator.page(page).object_list: # here you can do whatever you want with the row print "done processing page %s" % page ...
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How to add text inside the doughnut chart using Chart.js?

...rt is refreshed by providing new data params – techie_28 Jun 29 '16 at 9:19 Have you figured out the solution for that...