Python
Python is a dynamically typed programming language designed by Guido van Rossum. Much like the programming language Ruby, Python was designed to be easily read by programmers. Because of its large following and many libraries, Python can be implemented and used to do anything from webpages to scientific research.
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Updated
Mar 17, 2020 - Java
A description is incomplete. It should mention:
These patterns are not competing, but complementing each other. To achieve availability, one needs both fail-over and replication.
right after
"There are two main patterns to support high availability: fail-over and replication. "
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Mar 16, 2020 - Python
There are some interesting algorithms in simulation from Physics, Chemistry, and Engineering especially regarding Monte Carlo simulation: Heat Bath algorithm, Metro-Police algorithm, Markov Chain Monte Carlo, etc.
Huge and nice collection and also getting very much appreciated from the community.
It would be great if somebody can translate into English then it will be reaching out to global.
I pulled the latest version of flask Flask from the master branch, commit 64ba43411fbfb2e435455b0df2453d7809b7c5a8.
The Quickstart minimal example on the dev version of Flask does not run as intended. Previous versions of the Quickstart example would display a simple "Hello world" message, but the addition of an undefined "name" variable causes the example to fail with a NameError.
It seems
Please implement the latest examples in the examples/ folder to the docs/mkdocs.yml to see theses examples on the homepage. Perhaps a subsectioning for that many examples is necessary. See Homepage
Thank you!
It's not clear from the website's documentation, or the --help output, how to do the following equivalent curl task:
Post a raw JSON query to ElasticSearch:
curl \
--header "Content-Type: application/json" \
--request POST \
--data '{ "_source": [ "restricted_countries.*" ], "query": { "match_all": {} }, "size": 1000 }' \
'http://localhost:9200/_search'
T
We're trying to fix as many broken links as possible before modules move into collections. This is the batch of broken links on some Ansible modules.
NOTE: the link checker sometimes reports an error where a link actually works. Ignore those if you find them.
ISSUE TYPE
- Documentation Report
COMPONENT NAME
When using the url http://docs.python-requests.org/en/latest/, it redirects to https://2.python-requests.org//en/latest/ (notice the extra / before en). This causes a HTTP 404.
Expected Result
The redirect should be to https://2.python-requests.org/en/latest/
Actual Result
HTTP 404
Reproduction Steps
Try to visit the latest en documentation for requests using the
Sister issue for #16703 (OrdinalEncoder)
Code to reproduce
import pandas as pd
from sklearn.preprocessing import OneHotEncoder
df = pd.DataFrame({"cat_feature": ["a", None, "b", "a"]})
OneHotEncoder().fit(df)Observed result
Got: TypeError: '<' not supported between instances of 'str' and 'NoneType'
Full traceback:
a=torch.tensor([3+4j])
torch.clamp(a, 2+3j, 1+5j)
tensor([(3.0000 + 4.0000j)], dtype=torch.complex128)
torch.clamp(a, 1+5j, 2)
tensor([(1.0000 + 5.0000j)], dtype=torch.complex128)
np.clip(a.numpy(), 1+5j, 2)
array([2.+0.j])
trainable_variables = weights.values() + biases.values() doesn't work.
Also if I write trainable_variables = list(weights.values()) + list(biases.values()), I have to turn on tf.enable_eager_execution(), but the training result is wrong, accuracy is ar
Use f-strings
This list may be aimed at more professional developers / coders so if this is not in line with what you're trying to achieve, please close this issue. Or it could be the Arduino environment is close enough to C++ that it's not worth doing.
Otherwise, if you'd want some added, I can fork and build a short list of projects that might be of good use to Arduino newcomers.
Great resource you m
使用队列实现栈的下列操作:
push(x) -- 元素 x 入栈
pop() -- 移除栈顶元素
top() -- 获取栈顶元素
empty() -- 返回栈是否为空
注意:
你只能使用队列的基本操作-- 也就是 push to back, peek/pop from front, size, 和 is empty 这些操作是合法的。
你所使用的语言也许不支持队列。 你可以使用 list 或者 deque(双端队列)来模拟一个队列 , 只要是标准的队列操作即可。
你可以假设所有操作都是有效的(例如, 对一个空的栈不会调用 pop 或者 top 操作)。
来源:力扣(LeetCode)
链接:https://leetcode-cn.com/problems/implement-stack-using-queues
著作权归领扣网络所有。商业转载请联系官方授权
contour
项目推荐
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类别:C++
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项目后续更新计划:
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项目描述:contour 是一个使用 C++ 17 开发的终端模拟器,可在 Windows, Linux 和 MacOS 三大平台使用,支持字体连字 Font Ligatures(例如 Fira Code 字体)、GPU 加速渲染、背景模糊(Win10、KDE)、256 色和 True Color 和配色主题。
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推荐理由:快速、简洁
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示例代码:(可选)长度:1-20 行
Target Leakage in mentioned steps in Data Preprocessing. Train/test split needs to be before missing value imputation. Else you will have a bias in test/eval/serve.
Similar to certbot/certbot#7803, it seems like ideally our code should pass mypy's tests regardless of the Python version it is run on, but we currently specify that Python 2.7 should be used. Can we make our tests pass everywhere and stop pinning this?
I think listing anti-patterns with some basic reasoning about "why not" is a good idea.
Example - singleton. Although #256 has "won't fix" label
- it is in PRs section, and people (if searching history at all) are searching issues first.
- it was misspelled, Singelton instead of Singleton, therefore impossible to find
Listing most popular anti-patterns (without actual implementation) shou
In our documentation (files in doc/source/../*.rst), we refer to pandas as Pandas, pandas, and *pandas* (sphinx italics).
For documentation consistency, we should standardize these to one form. pandas is the preferable form in our documentation files.
Unfortunately I don't think we create a lint rule for this pattern since we have to be flexible to references and hyperlinks.
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Mar 19, 2020 - Jupyter Notebook
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Updated
Feb 5, 2020 - Python
In the PCA section there is the following quote:
We see that these 150 components account for just over 90% of the variance.
While not inaccurate (150 componen
Created by Guido van Rossum
Released February 20, 1991
- Organization
- python
- Website
- www.python.org
- Wikipedia
- Wikipedia


tf.functionmakes invalid assumptions about arguments that areMappinginstances. In general, there are no requirements forMappinginstances to have constructors that accept[(key, value)]initializers, as assumed here.This leads to cryptic exceptions when used with perfectly valid
Mappings