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
199
views
1
answer
python - Choosing from different cost function and activation function of a neural network
Recently I started toying with neural networks. I was trying to implement an AND gate with Tensorflow. I am ... to a correct solution? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
473
views
1
answer
python - Tensorflow : What is the relationship between .ckpt file and .ckpt.meta and .ckpt.index , and .pb file
I used saver=tf.train.Saver() to save the model that I trained, and I get three kinds of files named: .ckpt.meta ... I save model as a .pb file? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
300
views
1
answer
python - What are chunks, samples and frames when using pyaudio
After going through the documentation of pyaudio and reading some other articles on the web, I am confused if my ... many of them maybe wrong. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
229
views
1
answer
python - Show training and validation accuracy in TensorFlow using same graph
I have a TensorFlow model, and one part of this model evaluates the accuracy. The accuracy is just another node ... How might this be possible? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
371
views
1
answer
python - How can I hide the console window when freezing wxPython applications with cxFreeze?
I'm developing a Python application using wxPython and freezing it using cxFreeze. All seems to be going fine ... problems with Py2Exe. Thanks. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
316
views
1
answer
python - Using regex to remove comments from source files
I'm making a program to automate the writing of some C code, (I'm writing to parse strings into enumerations ... use // single line comments.) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
272
views
1
answer
python - Django - exception handling best practice and sending customized error message
I am starting to think about appropriate exception handling in my Django app, and my goal is to make it as ... 'message':message}, status=500) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
404
views
1
answer
python - Django - run a function every x seconds
I'm working on a Django app. I have an API endpoint, which if requested, must carry out a function that ... of this, criticism is appreciated. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
279
views
1
answer
python - Logging training and validation loss in tensorboard
I'm trying to learn how to use tensorflow and tensorboard. I have a test project based on the MNIST ... single node for different inputs? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
314
views
1
answer
python - Django Rest Framework POST Update if existing or create
I am new to DRF. I read the API docs, maybe it is obvious but I couldn't find a handy way to do it ... filter_fields = ("question", "answer") See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
174
views
1
answer
python - What does [:, :] mean on NumPy arrays
Sorry for the stupid question. I'm programming on PHP but found some nice code on Python and want to "recreate" ... == "__main__": main() See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
316
views
1
answer
python - See when packages were installed / updated using pip
I know how to see installed Python packages using pip, just use pip freeze. But is there any way to see ... is installed or updated with pip? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
559
views
1
answer
python - How do I properly use connection pools in redis?
It's not clear to me how connections pools work, and how to properly use them. I was hoping someone could ... our requests slowing down. Thanks See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
143
views
1
answer
python 2.7 - how to get return response from AWS Lambda function
I have a simple lambda function that returns a dict response and another lambda function invokes that function and prints ... of how to do it. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
292
views
1
answer
python - Non-global middleware in Django
In Django there is a settings file that defines the middleware to be run on each request. This middleware ... different from the global set. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
202
views
1
answer
python - List database tables with SQLAlchemy
I want to implement a function that gives information about all the tables (and their column names) that are present in ... on how to 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
327
views
1
answer
python - why cv2.imwrite() changes the color of pics?
I have the following piece of code: imgs = glob.glob('/home/chipin/heart/tray.png') current_img = io. ... Here is the value of current_img: See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
185
views
1
answer
python - Replace string/value in entire DataFrame
I have a very large dataset were I want to replace strings with numbers. I would like to operate on the dataset ... =4, very good=5 //Jonas See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
219
views
1
answer
python - Why are arbitrary target expressions allowed in for-loops?
I accidentally wrote some code like this: foo = [42] k = {'c': 'd'} for k['z'] in foo: # Huh?? ... is actually useful, not just a weird gotcha? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
257
views
1
answer
python - What is an intuitive explanation of np.unravel_index?
Pretty much what the title says. I've read the documentation and I've played with the function for ... manifestation of this transformation is. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
158
views
1
answer
python - How to convert list of model objects to pandas dataframe?
I have an array of objects of this class class CancerDataEntity(Model): age = columns.Text(primary_key=True) ... processing the input array? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
608
views
1
answer
python - Is there a parameter in matplotlib/pandas to have the Y axis of a histogram as percentage?
I would like to compare two histograms by having the Y axis show the percentage of each column from the ... using Pandas and matplotlib. Thanks See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
321
views
1
answer
python - PyDev unittesting: How to capture text logged to a logging.Logger in "Captured Output"
I am using PyDev for development and unit-testing of my Python application. As for unit-testing, everything works ... execution of this test? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
413
views
1
answer
python - Make new column in Panda dataframe by adding values from other columns
I have a dataframe with values like A B 1 4 2 6 3 9 I need to add a new column by adding values from column ... can't figure out how to do it. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
210
views
1
answer
python - Django setUpTestData() vs. setUp()
Django 1.8 shipped with a refactored TestCase which allows for data initialization at the class level using ... broad for Stack Overflow. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
410
views
1
answer
python - django - comparing old and new field value before saving
I have a django model, and I need to compare old and new values of field BEFORE saving. I've tried the save ... of pre-save actions. Thank you! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
266
views
1
answer
python - Pandas: Appending a row to a dataframe and specify its index label
Is there any way to specify the index that I want for a new row, when appending the row to a dataframe? The ... way to control the new label? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
332
views
1
answer
python - Turn off axes in subplots
I have the following code: import matplotlib.pyplot as plt import matplotlib.image as mpimg import matplotlib. ... all subplots simultaneously? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
Page:
« prev
1
...
248
249
250
251
252
253
254
255
256
257
258
...
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] 我刚建的项目,都还没动过main.ts 就有报错了。。是什么情况
[2] 视频网站如何实现非静音的视频自动播放的?
[3] jquery - mention plugin in tinymce keeps continued text inside html tag
[4] 朋友们解释一下输出结果
[5] 时间戳转半小时倒计时,请问怎么实现呢
[6] 输入的名称正则要求怎么写?
[7] linux - Starting VSCode and running command in integrated terminal from command line?
[8] ts如何声明对内置对象的扩展方法
[9] vue请问这个报错是为什么,数据都已经渲染出来了
[10] aspnet core publish copies file even if it set to Do Not Copy
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
...