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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In the solution for the pastebin/bitly system design, the write to cache flow is missing in the second diagram which refers to the scaling aspect. The cache has only a read arrow but not a write arrow. The diagram will be more intuitive if a write-through/write-back cache mechanism was indicated.
A curated list of awesome Python frameworks, libraries, software and resources
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Updated
Jan 2, 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.
The following version information is coming from the Werkzeug docs: "New in version 0.6: The location can now be a unicode string that is encoded using the iri_to_uri() function." See http://flask.pocoo.org/docs/0.11/api/#flask.redirect.
There might be more of this kind of issue in the documentation. For this particular one, you can trace the code to docs/api.rst,:
.. autofunction:: redirec
In the given documentation, the mentioned key are acc and val_acc, but actually it is accuracy and val_accuracy.
Given documentation screenshot:

Whereas the actual keys are `dict_keys(['val_loss', 'val_accuracy
In = syntax,
- double quotes (
") - back slashes (
\) - non-ascii characters
$ http -v httpbin.org/post \
dquote='\"' \
multi-line='line 1\nline 2' Looks like www.python-requests.org and docs.python-requests.org are redirecting to https://2.python-requests.org and failing SSL negotiation, making the site appear down. Google links are all dead, documentation links don't work, etc.
http://2.python-requests.org redirects to https://requests.kennethreitz.org/en/master/, which works.
Expected Result
Website should appear or redirect to
SUMMARY
- include_tasks: included.yml
loop:
- 1
- 2
Expected output:
TASK [include_tasks] ******************************
included: …/included.yml for localhost => (item=1)
included: …/included.yml for localhost => (item=2)
Current output:
TASK [include_tasks] ******************************
included: …/included.yml for localhost
included: …/in
Description
ValueError: Unknown label type: 'unknown' thrown when passing sparse matrix y in RandomForestClassifier.fit.
The reason is that several numpy functions are called on the variable:
I think "outputs [-1]" and "outputs [0]" are equivalent (reversed) in this line of code, but the former (89%) works better than the latter (86%). Why?
See scrapy/scrapy#3991 (comment)
In the parts of the documentation where we currently cover Request.from_curl we may want to mention this online tool as well.
LogCumsumExp
🚀 Feature
Add numerically stable cumulative logsumexp function. Also we have associated PR on cummax that is needed for numerically stable implementation (pytorch/pytorch#20240).
Motivation
This is useful when computing sum of probabilities and have different applications.
Pitch
Torch has cumsum and cumprod so I suggest logcumsumexp to be added.
- face_recognition version: 1.2.3
- Python version: 3.7
- Operating System: Debian 10.1
Description
face_detection need to scan "known_people" directory every time.
in "known_people" directory I've 20 people and face_detection need a lot of time to "learn" before search known peoples inside new photos (unknown_pictures directory contain 2 photos).
it's possible to cache "learn" anali
Update the tutorial for "Building a container from scratch in Go - Liz Rice (Microscaling Systems)"
Description
The instructor in the above mentioned video has created a new version of the same tutorial, which can be found here
Why
It is always good to keep resources and tutorials up-to-date. The new video talks about namespaces, chroot and cgroups, and speaks about containers at a greater depth.
Is this something you're interest
100 Days of ML Coding
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Updated
Jan 2, 2020 - Python
The release script fails silently after any keyboard input from the user. The release script can fail silently when given unexpected input. This can potentially delay the release by hours.
给定两个由小写字母构成的字符串 A 和 B ,只要我们可以通过交换 A 中的两个字母得到与 B 相等的结果,就返回 true ;否则返回 false 。
示例 1:
输入: A = "ab", B = "ba"
输出: true
示例 2:
输入: A = "ab", B = "ab"
输出: false
示例 3:
输入: A = "aa", B = "aa"
输出: true
示例 4:
输入: A = "aaaaaaabc", B = "aaaaaaacb"
输出: true
示例 5:
输入: A = "", B = "aa"
输出: false
提示:
0 <= A.length <= 20000
0 <= B.length <= 20000
A 和 B 仅由小写字母构成。
来源:力扣(L
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该项目已达到最低可行的产品质量水平。虽然贡献者将它作为日常驱动程序,但它可能对某些命
令不稳定。未来版本将填补缺失的功能并提高稳定性。它的设计也随着成熟而变化。Nu附带了一组内置命令(如下所示)。如果命令未知,命令将弹出并执行它(在 Windows 上使
用 cmd 或在 Linux 和 MacOS 上使用 bash),正确地通过 stdin,stdout 和 stderr,所以像你的日常 git 工作流程甚至 vim 可以正常工作。还有一本关于 Nu 的书,目前正在进行中。
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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
Content from the 'For Developers' content section of the wiki should be included in the pandas documentation where relevant.
- Code Style and Conventions
- Testing #20501
- Documenting new features and bug fixes
- Using Git
- Choosing Exceptions to Raise
- Tips & Tricks for pandas dev
- A quick overview of pandas.util
- Git Workflows
- Pandas Develop
AiLearning: 机器学习 - MachineLearning - ML、深度学习 - DeepLearning - DL、自然语言处理 NLP
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Updated
Jan 2, 2020 - Python
I was having a very hard time figuring out
fill = A.stack().mean()
A.add(B, fill_value=fill)fill = 4.5. However I computed a value of 3.2 because I was taking the mean from the column of A not the DataFrame A.
This coming after the Indexing chapter where "explicit is better than implicit." I was thinking that this should be a little more explicit.
The link to the EMNIST page on Tensorflow's docs is broken.
The existing link is -
https://www.nist.gov/node/1298471/emnist-dataset
It should be replaced by -
http://www.itl.nist.gov/iaui/vip/cs_links/EMNIST/gzip.zip