大约有 1,162 项符合查询结果（耗时：0.0228秒） [XML]
How do I set a variable to the output of a command in Bash?
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Elaboration such as an example on Update (2018) would be appreciated.
– Eduard
Jul 13 '18 at 13:31
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How to overcome “datetime.datetime not JSON serializable”?
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Updated for 2018
The original answer accommodated the way MongoDB "date" fields were represented as:
{"$date": 1506816000000}
If you want a generic Python solution for serializing datetime to json, check out @jjmontes' answer for a qu...
Is MATLAB OOP slow or am I doing something wrong?
... 0.25
isempty(persistent): 0.13
Update: R2018a
Here's R2018a results. It's not the huge jump that we saw when the new execution engine was introduced in R2015b, but it's still an appreciable year over year improvement. Notably, anonymous function handles got way fa...
How to make shallow git submodules?
... if you put branch = mybranch on the .gitmodules as well.
Git 2.20 (Q4 2018) improves on the submodule support, which has been updated to read from the blob at HEAD:.gitmodules when the .gitmodules file is missing from the working tree.
See commit 2b1257e, commit 76e9bdc (25 Oct 2018), and comm...
Do Facebook Oauth 2.0 Access Tokens Expire?
...around a bit, i found this. It seems to be the answer:
Updated (11/April/2018)
The token will expire after about 60 days.
The token will be refreshed once per day, for up to 90 days, when the person using your app makes a request to Facebook's servers.
All access tokens need to be renewed every ...
Getting the location from an IP address [duplicate]
...rl is unsafe on virustotal, due to trojan. The votes were between 2015 and 2018
– Ricardo
Jan 3 '19 at 0:50
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Is there a way to change the spacing between legend items in ggplot2?
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ggplot2 v3.0.0 released in July 2018 has working options to modify legend.spacing.x, legend.spacing.y and legend.text.
Example: Increase horizontal spacing between legend keys
library(ggplot2)
ggplot(mtcars, aes(factor(cyl), fill = factor(cyl))) +
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What are the correct version numbers for C#?
... stackonly struct, everything else.
C# 7.3 released with VS2017 v15.7 (May 2018). New features: enum, delegate and unmanaged generic type constraints. ref reassignment. Unsafe improvements: stackalloc initialization, unpinned indexed fixed buffers, custom fixed statements. Improved overloading resol...
一文了解大数据领域创业的机会与方向 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...智库7月30号发布的中国大数据应用行业的报告显示，2015-2018年中国大数据市场营销规模达到258.6亿人民币。环比增长率为37.2%。
其次，大数据在全球范围内的市场规模同样巨大，根据IDC发布最新研究结果，预测到2018年全球大数...
Very simple log4j2 XML configuration file using Console and File appender
...ps://logging.apache.org/log4j/2.x/manual/appenders.html
Output:
[INFO ] 2018-07-21 12:03:47,412 ScenarioHook.beforeScenario() - Browser=CHROME32_NOHEAD
[INFO ] 2018-07-21 12:03:48,623 ScenarioHook.beforeScenario() - Screen Resolution (WxH)=1366x768
[DEBUG] 2018-07-21 12:03:52,125 HomePageNavigati...