大约有 1,162 项符合查询结果（耗时：0.0240秒） [XML]
How to generate a Dockerfile from an image?
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Update Dec 2018 to BMW's answer
chenzj/dfimage - as described on hub.docker.com regenerates Dockerfile from other images. So you can use it as follows:
docker pull chenzj/dfimage
alias dfimage="docker run -v /var/run/docker.sock:/var/ru...
Using the rJava package on Win7 64 bit with R
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Update (July 2018):
The latest CRAN version of rJava will find the jvm.dll automatically, without manually setting the PATH or JAVA_HOME. However note that:
To use rJava in 32-bit R, you need Java for Windows x86
To use rJava in 64-bit...
Remap values in pandas column with a dict
... Here is one that works with the current version of pandas (0.23.4 as of 8/2018):
import pandas as pd
df = pd.DataFrame({'col1': [1, 2, 2, 3, 1],
'col2': ['negative', 'positive', 'neutral', 'neutral', 'positive']})
conversion_dict = {'negative': -1, 'neutral': 0, 'positive': 1}
df['co...
Why is MATLAB so fast in matrix multiplication?
...=
0.0324
>> gputimeit(@()gA*gA)
ans =
0.0022
Update using R2018b on a WIN64 machine with 16 physical cores and a Tesla V100:
>> timeit(@()A*A)
ans =
0.0229
>> gputimeit(@()gA*gA)
ans =
4.8019e-04
(NB: at some point (I forget when exactly) gpuArray switched from ...
How to detect if app is being built for device or simulator in Swift
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Updated Info as of February 20, 2018
It looks like @russbishop has an authoritative answer that renders this answer "incorrect" - even though it appeared to work for a long time.
Detect if app is being built for device or simulator in Swift
Previous Answ...
In Python, how can you load YAML mappings as OrderedDicts?
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2018 option:
oyaml is a drop-in replacement for PyYAML which preserves dict ordering. Both Python 2 and Python 3 are supported. Just pip install oyaml, and import as shown below:
import oyaml as yaml
You'll no longer be a...
How to select Python version in PyCharm?
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Select desired Project interpreter
Apply + OK
[NOTE]:
Tested on Pycharm 2018 and 2017.
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How do I change the color of radio buttons?
...en the input is selected, to provide the alternate graphics
Update: As of 2018 you can add the following to support multiple browser vendors:
input[type="radio"] {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
}
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Provide an image for WhatsApp link sharing
... @DerkJanSpeelman I don't understand, this site: jornada.unam.mx/ultimas/2018/06/19/… has more than 35 characters and the image preview is working. where can I find the correct specification?
– elios264
Jun 19 '18 at 16:26
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How can I access Google Sheet spreadsheets only with Javascript?
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Jan 2018 UPDATE: When I answered this question last year, I neglected to mention a third way to access Google APIs with JavaScript, and that would be from Node.js apps using its client library, so I added it below.
It's Mar 2017...