Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Login
Remember
Register
Ask
Q&A
All Activity
Hot!
Unanswered
Tags
Users
Ask a Question
Ask a Question
Categories
All categories
Topic[话题] (13)
Life[生活] (4)
Technique[技术] (2.1m)
Idea[创意] (3)
Jobs[工作] (2)
Others[杂七杂八] (18)
Code Example[编程示例] (0)
Recent questions tagged python
0
votes
412
views
1
answer
python - boto3 client NoRegionError: You must specify a region error only sometimes
I have a boto3 client : boto3.client('kms') But it happens on new machines, They open and close dynamically. if ... why only part of the time? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
877
views
1
answer
python - Seaborn countplot with normalized y axis per group
I was wondering if it is possible to create a Seaborn count plot, but instead of actual counts on the y-axis, ... bar must depend on the group. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
541
views
1
answer
python - Flask RESTful cross-domain issue with Angular: PUT, OPTIONS methods
I've developed a small write-only REST api with Flask Restful that accepts PUT request from a handful of clients that ... as well into my API? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
353
views
1
answer
python - SQLAlchemy or psycopg2?
I am writing a quick and dirty script which requires interaction with a database (PG). The script is a ... examples of doing this available? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
359
views
1
answer
python - Adding model-wide help text to a django model's admin form
In my django app, I would like to be able to add customized help text to the admin change form for some of ... example of how I would do that? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
201
views
1
answer
python - In Django is there a way to display choices as checkboxes?
In the admin interface and newforms there is the brilliant helper of being able to define choices. You can use ... find it in the documentation. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
335
views
1
answer
python - Memory dump formatted like xxd from gdb
I'm trying to inspect a buffer which contains a binary formatted message, but also contains string data. As an example ... how to set that up. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
320
views
1
answer
python - What's the difference between raise, try, and assert?
I have been learning Python for a while and the raise function and assert are (what I realised is that both ... between raise, try, and assert? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
175
views
1
answer
python - Read from File, or STDIN
I've written a command line utility that uses getopt for parsing arguments given on the command line. I would ... not given, read from STDIN. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
140
views
1
answer
python - Difference between "axes" and "axis" in matplotlib?
I'm confused about what the different between axes and axis is in matplotlib. Could someone please explain in an easy-to-understand way? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
240
views
1
answer
python - Setuptools "development" Requirements
TL;DR: Is there a way to hook setuptool's 'develop' to install a set of development requirements when running ... method I haven't read about? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
159
views
1
answer
python - Plotting images side by side using matplotlib
I was wondering how I am able to plot images side by side using matplotlib for example something like this ... determine the grid size. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
267
views
1
answer
python - Merging dataframes on index with pandas
I have two dataframes and each one has two index columns. I would like to merge them. For example, the first ... . Do you have any suggestions? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
170
views
1
answer
python - Where is my Django installation?
I use Django but I need to find the default templates and applications. I don't know where it's installed. How can I find that? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
467
views
1
answer
python - How can I install from a git subdirectory with pip?
I have a git repository with many folders, one of them being a python module installable with pip, like this: ... /pip-88tlLm-build/setup.py' See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
623
views
1
answer
python - When to use 'raise NotImplementedError'?
Is it to remind yourself and your team to implement the class correctly? I don't fully get the use of an ... , m, n): raise NotImplementedError See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
401
views
1
answer
python - How to flatten only some dimensions of a numpy array
Is there a quick way to "sub-flatten" or flatten only some of the first dimensions in a numpy array? For ... dimensions would be (5000,25) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
354
views
1
answer
python - SQLAlchemy proper session handling in multi-thread applications
I have trouble understanding how to properly open and close database sessions efficiently, as I understood by the ... =50) mt_worker.start() See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
196
views
1
answer
python - PySpark row-wise function composition
As a simplified example, I have a dataframe "df" with columns "col1,col2" and I want to compute a row-wise ... function "f_udf" and "max_udf." See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
188
views
1
answer
python - How do I unit test PySpark programs?
My current Java/Spark Unit Test approach works (detailed here) by instantiating a SparkContext using "local" and ... unit tests with Python? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
207
views
1
answer
python - What is the difference between a stack and a frame?
Under what situations would I want to use one over the other? What is the difference between: >>> import inspect ... a stack frame in a nutshell See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
1.1k
views
1
answer
python 3.x - Import py file in another directory in Jupyter notebook
My question is related to this. I am using Python 3.6 in Jupyter Notebook. My project directory is /user/project. In ... ... How can I do this? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
250
views
1
answer
python - What does numpy.gradient do?
So I know what the gradient of a (mathematical) function is, so I feel like I should know what numpy. ... ? When is numpy.gradient useful? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
463
views
1
answer
python imaging library - pip install PIL doesn't install into virtualenv
How do I install PIL? >pip install PIL Downloading/unpacking PIL Could not find any downloads that satisfy the ... were found to uninstall. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
403
views
1
answer
python - GeoDjango GEOSException error
Trying to install a GeoDjango on my machine. I'm really new to Python and being brought into a project ... sorl-thumbnail stripe pytz==2013b See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
486
views
1
answer
python - `if __name__ == '__main__'` equivalent in Ruby
I am new to Ruby. I'm looking to import functions from a module that contains a tool I want to continue ... 's the equivalent paradigm in Ruby? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
600
views
1
answer
python - DBSCAN for clustering of geographic location data
I have a dataframe with latitude and longitude pairs. Here is my dataframe look like. order_lat order_long 0 ... while clustering? please help. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
201
views
1
answer
python - Understanding Keras LSTMs: Role of Batch-size and Statefulness
Sources There are several sources out there explaining stateful / stateless LSTMs and the role of batch_size which I ... =batch_size, verbose=2) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
Page:
« prev
1
...
253
254
255
256
257
258
259
260
261
262
263
...
715
next »
Ask a question:
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question
Just Browsing Browsing
[1] python - Sending a password over SSH or SCP with subprocess.Popen
[2] nuxt.js - How to fix Uncaught (in promise) TypeError: Cannot set property of undefined
[3] facebook - How to get the thumbnail url for a video in an Instagram hashtag feed?
[4] python - Add multiple DataFrame series to new series in same DataFrame
[5] localhost - Chrome Browsers connecting to local host on port:3389
[6] java - RxJava synchronization
[7] 400 bad request 同样是win10,有的访问正常,有的访问就出现这个问题
[8] git tag --sort=taggerdate 和gitlab中显示的不一样
[9] spring boot的状态机StateMachine有啥用?
[10] python - Cant click button with selenium
2.1m
questions
2.1m
answers
60
comments
56.9k
users
Most popular tags
javascript
python
c#
java
How
android
c++
php
ios
html
sql
r
c
node.js
.net
iphone
asp.net
css
reactjs
jquery
ruby
What
Android
objective
mysql
linux
Is
git
Python
windows
Why
regex
angular
swift
amazon
excel
algorithm
macos
Java
visual
how
bash
Can
multithreading
PHP
Using
scala
angularjs
typescript
apache
spring
performance
postgresql
database
flutter
json
rust
arrays
C#
dart
vba
django
wpf
xml
vue.js
In
go
Get
google
jQuery
xcode
jsf
http
Google
mongodb
string
shell
oop
powershell
SQL
C++
security
assembly
docker
Javascript
Android:
Does
haskell
Convert
azure
debugging
delphi
vb.net
Spring
datetime
pandas
oracle
math
Django
联盟问答网站-Union QA website
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
广告位招租
...