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
943
views
1
answer
python - django.db.utils.OperationalError: (1071, 'Specified key was too long; max key length is 767 bytes')
My model: class Course(models.Model): language = models.ForeignKey(Language) name = models.CharField(max_length= ... length limit Django index? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
1.9k
views
1
answer
python - ValueError: Number of labels is 1. Valid values are 2 to n_samples - 1 (inclusive) when using silhouette_score
I am trying to calculate silhouette score as I find the optimal number of clusters to create, but get an error ... "====") print(silhouette) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
312
views
1
answer
python - tensorflow: how to rotate an image for data augmentation?
In tensorflow, I would like to rotate an image from a random angle, for data augmentation. But I don't ... in the tf.image module. 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 - What is the Scala case class equivalent in PySpark?
How would you go about employing and/or implementing a case class equivalent in PySpark? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
368
views
1
answer
python - Decrypting Chromium cookies
I'm trying to use Chromium cookies in Python, because Chromium encrypts its cookies using AES (with CBC) I need ... help me figure this out? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
134
views
1
answer
python - Avoid tensorflow print on standard error
anyone knows if there is a method to prevent tensorflow from polluting standard error with gpus' memory ... wanna avoid this printing. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
119
views
1
answer
python - How can I list all Tensorflow variables a node depends on?
How can I list all Tensorflow variables/constants/placeholders a node depends on? Example 1 (addition of constants): import ... , 'b', 'input'] See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
452
views
1
answer
python - The `hue` parameter in Seaborn.relplot() skips an integer when given numerical data?
The hue parameter skips one integer. d = {'column1':[1,2,3,4,5], 'column2':[2,4,5,2,3], 'cluster':[0,1, ... 2.7 Seaborn 0.9.0 Ubuntu 16.04 LTS See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
115
views
1
answer
python - Does assignment with advanced indexing copy array data?
I am slowly trying to understand the difference between views and copys in numpy, as well as mutable vs. immutable ... this in a confusing way. 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 - Adobe Photoshop-style posterization and OpenCV
It seems Adobe Photoshop does posterization by quantizing each color channel separately, based on the number of ... strictly through NumPy? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
551
views
1
answer
python - Computing cosine similarity between two tensors in Keras
I have been following a tutorial that shows how to make a word2vec model. This tutorial uses this piece of code: ... can I use in this case? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
737
views
1
answer
python - Paramiko and exec_command - killing remote process?
I'm using Paramiko to tail -f a file on a remote server. Previously, we were running this via ssh -t, ... remote server is running Solaris 10. 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 - gi.repository Windows
I'm developing an app which has to be 100% compatible on windows and on linux. On linux I have no problems, but ... , gtk.. what am I missing? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
142
views
1
answer
python - Use numba to speed up for loop
From what I've read, numba can significantly speed up a python program. Could my program's time efficiency ... inner_sum * dk print outer_sum See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
133
views
1
answer
python - How to get the number of active threads started by specific class?
code looks like below: class workers1(Thread): def __init__(self): Thread.__init__(self) def run(self): # ... active by originating class ? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
139
views
1
answer
python - multiprocessing problem [pyqt, py2exe]
I am writing a GUI program using PyQt4. There is a button in my main window and by clicking this button. I ... how to fix this problem? Thanks! 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 - How to pass a parameter to only one part of a pipeline object in scikit learn?
I need to pass a parameter, sample_weight, to my RandomForestClassifier like so: X = np.array([[2.0, 2.0, 1. ... with I run "fit"? Thanks. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
417
views
1
answer
python - Opencv imshow() freezes when updating
For my image processing algorithm I'm using python / OpenCV. The output of my algorithm shall be updated ... there is no preceding invocation) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
661
views
1
answer
python - Paramiko SSH exec_command (shell script) returns before completion
I launch a shell script from a remote Linux machine using Paramiko. The shell script is launched and execute ... explain me this behaviour? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
472
views
1
answer
python - How can I correct the error ' AttributeError: 'dict_keys' object has no attribute 'remove' '?
I was trying shortest path finder using dijkstra algorithm but It seems not working. Can't figure out what the ... has no attribute 'remove' See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
1.2k
views
1
answer
python - Passthrough is not supported, GL is disabled
I tried crawling a specific site using selenium and webdriver_manager.chrome, and my code crawled elements of that ... 't solve the problem. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
148
views
1
answer
python for increment inner loop
How to increment the outer iterator from the inner loop? To be more precise: for i in range(0,6): print i for j ... .length -1) i=i+str2.length; See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
284
views
1
answer
python - Skip unittest if some-condition in SetUpClass fails
I was playing with pyUnit framework for unittest testing of my application. Is there any any way to skip all the ... skip the whole test suite. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
299
views
1
answer
python - How to change the range of the x-axis and y-axis in matlibplot?
I am new to matlibplot and I'm trying to draw a circle with radius 1 but have both my x and y axis ... would be brilliant! Thanks in advance! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
112
views
1
answer
python - Convert a dictionary to a pandas dataframe
I'm trying to convert a dictionary that only has 1 record to a pandas dataframe. I've used the ... DataFrame constructor not properly called! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
251
views
1
answer
python - Track download progress of S3 file using boto3 and callbacks
I am trying to download a text file from S3 using boto3. Here is what I have written. class ProgressPercentage( ... correction I need to make? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
157
views
1
answer
python - How to update rows in a CSV file
Hello I'm trying to make a program that updates the values in a csv. The user searches for the ID, and if ... ideas on how to get through this. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
223
views
1
answer
python - Numpy: 1D array with various shape
I try to understand how to handle a 1D array (vector in linear algebra) with NumPy. In the following example, I generate two ... [ 6., 6., 6.]]) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
Page:
« prev
1
...
340
341
342
343
344
345
346
347
348
349
350
...
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] lodash.isArrayBuffer
[2] python - Identify same values for particular key in list of dictionaries
[3] NG0200: Circular dependency in DI detected,为什么并且我该怎么做?
[4] python - Reading the contents of a file whose name is stored in a variable
[5] Trying to use Python to start a bat file which starts a Minecraft Server
[6] javascript - How to re-render component after update hash correctly with useEffect?
[7] ionic framework - Error for vault in paypal ( enabling it for subscription )
[8] highcharts 3d饼图label显示不全怎么办
[9] flutter怎么让setState变成同步的
[10] Throughoutly though about some functionality of qt
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
...