大约有 500 项符合查询结果(耗时:0.0224秒) [XML]

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filter for complete cases in data.frame using dplyr (case-wise deletion)

...his maybe as part of filter. library('rbenchmark') library('dplyr') n = 5e6 n.na = 100000 df = data.frame( x1 = sample(1:10, n, replace=TRUE), x2 = sample(1:10, n, replace=TRUE) ) df$x1[sample(1:n, n.na)] = NA df$x2[sample(1:n, n.na)] = NA benchmark( df %>% filter(complete.cases(x...
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How to generate a git patch for a specific commit?

...ute in a way that is compatible with "git patch-id --stable". See commit a8f6855, commit 6f93d26 (26 Apr 2019) by Stephen Boyd (akshayka). (Merged by Junio C Hamano -- gitster -- in commit 8202d12, 13 Jun 2019) format-patch: make --base patch-id output stable We weren't flushing the cont...
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How do I find the location of the executable in C? [duplicate]

...friendly path: /home/peeterj/views/peeterj_clang-7.vws/.s/00024/8000023250b8f17fllvm-tblgen – Peeter Joot Nov 30 '12 at 18:23 5 ...
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Eclipse hangs at the Android SDK Content Loader

... someone else. Delete the file: /workspace/.metadata/.plugins/org.eclipse.e4.workbench/workbench.xmi You can make a backup first, if you like. It stores your workbench settings (perspective state, file paths for menu options, etc.) But eclipse loaded and I didn't have to re-install anything like ...
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Deleting all pending tasks in celery / rabbitmq

...1.celery.pidbox 0 1 bcast.361093f1-de68-46c5-adff-d49ea8f164c0 0 1 bcast.a53632b0-c8b8-46d9-bd59-364afe9998c1 0 1 celeryev.c27b070d-b07e-4e37-9dca-dbb45d03fd54 0 1 celeryev.c66a9bed-84bd-40b0-8fe7-4e4d0c002866 0 1 celeryev.b490f71a-be1a-4cd8-ae17-06a713cc2a9...
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Can I use Twitter Bootstrap and jQuery UI at the same time?

... Lucian PovatanuLucian Povatanu 58911 gold badge44 silver badges77 bronze badges add a comment ...
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Why does Boolean.ToString output “True” and not “true”

...pez Your comment is incorrect, see here: msdn.microsoft.com/en-us/library/c8f5xwh7.aspx. Also, looking up the Boolean definition reveals it is in fact a struct, and the two do have the same properties. – tsemer Aug 13 '14 at 6:52 ...
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Which concurrent Queue implementation should I use in Java?

... community wiki 7 revs, 2 users 92%Vipin add a comment  |  ...
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Use CSS3 transitions with gradient backgrounds

...inear-gradient(to right, rgba(0,0,255,0.75), rgba(255,0,0,0.65625));} 92% {background:linear-gradient(to right, rgba(0,0,255,0.75), rgba(255,0,0,0.675));} 94% {background:linear-gradient(to right, rgba(0,0,255,0.75),rgba(255,0,0,0.69375));} 96% {background:linear-gradient(to right,...
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How do you attach and detach from Docker's process?

...: # docker run -it -d ubuntu 91262536f7c9a3060641448120bda7af5ca812b0beb8f3c9fe72811a61db07fc # docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 91262536f7c9 ubuntu "/bin/bash" 5 sec...