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
333
views
1
answer
python - Django: Using Annotate, Count and Distinct on a Queryset
Here's my database query: results = Attachments.objects.filter(currency='current').annotate(num_attachments=Count(' ... s going on here? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
280
views
1
answer
python - What is a wrapper_descriptor, and why is Foo.__init__() one in this case?
import inspect class Foo(object): pass if __name__ == '__main__': print type(Foo.__init__) print inspect. ... the class dict at all? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
351
views
1
answer
python - What is a mapping object, according to dict type?
The documentation lists 3 ways for creating a dict instance: class dict(**kwarg) class dict(mapping, **kwarg) ... for dict(mapping) to work? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
190
views
1
answer
python - Split by a word (case insensitive)
If I want to take "hi, my name is foo bar" and split it on "foo", and have that split be case insensitive (split ... ['hI MY NAME iS ', ' bar'] See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
330
views
1
answer
python - XML Declaration standalone="yes" lxml
I have an xml I am parsing, making some changes and saving out to a new file. It has the declaration <?xml ... = True, encoding='UTF-8')) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
694
views
1
answer
python - create_string_buffer throwing error TypeError: str/bytes expected instead of str instance
I am trying this simple ctypes example and getting the error mentioned >>> from ctypes import create_string_buffer >>> ... do stuff return c; } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
338
views
1
answer
python - Comparing two dictionaries with numpy matrices as values
I want to assert that two Python dictionaries are equal (that means: equal amount of keys, and ... Python Comparing/combining two dictionaries 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 - Strict comparison
In javascript, there are strict comparison operators op1 === op2 and op1 !== op2 that will compare both type and value. ... (op1)) or op1 != op2 See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
575
views
1
answer
python - Error: gunicorn: Failed to find application object 'app' in 'app'
Here's my code: app.py from flask_graphql import GraphQLView from app.infrastructure.graphql import schema from app. ... am i doing wrong? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
252
views
1
answer
python - Why 'python3 -m venv myenv' installs older version of pip into myenv than any version of pip I can find anywhere on the system?
This is not causing me any problem that I can't solve by activating the virtual environment and running pip ... put into a virtual environment? 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 - Create a 2D list out of 1D list
I am a bit new to Python and I want to convert a 1D list to a 2D list, given the width and length of this ... =2, length=2 out of the list? 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 - numpy merge sorted array to an new array?
Is there any way we can do something like merge in mergesort using numpy function? some function like merge: a ... large data thanks to numpy See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
181
views
1
answer
python - How do I use Psycopg2's LoggingConnection?
I'd like to log the queries that psycopg2 is making, but the psycopg2 documentation doesn't really specify how ... most 2 arguments (5 given) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
280
views
1
answer
python - MongoDB using an OR clause in mongoengine
I'm using python's mongoengine to query MongoDB, and have loved it for the most part, but I'm having ... benefit of (django) paginated results. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
222
views
1
answer
python - How to find the index of the nth time an item appears in a list?
Given: x = ['w', 'e', 's', 's', 's', 'z','z', 's'] Each occurrence of s appears at the following ... . How do I get the index of the 4th s? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
525
views
1
answer
python - ModuleNotFoundError - No module named 'main' when attempting to start service
Context: I created a Django application using Python 3.7. I am (attempting) to use the 2nd generation Google App ... problem out to no avail. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
619
views
1
answer
python - Why does from scipy import spatial work, while scipy.spatial doesn't work after import scipy?
I would like to use scipy.spatial.distance.cosine in my code. I can import the spatial submodule if I do ... is wrong with the second approach? 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 - How to insert NULL value in SQLAlchemy?
I've a Table with the following column: Column('type', String(128)) How do I set this column to NULL when inserting ... don't know 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
451
views
1
answer
python - What is the correct way to override the __dir__ method?
This question is meant to be more about __dir__ than about numpy. I have a subclass of numpy.recarray (in ... to begin with? mere oversight? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
286
views
1
answer
python - How to split a sequence according to a predicate?
I very often run into the need to split a sequence into the two subsequences of elements that satisfy and don't satisfy a ... 5', '8', '11')] See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
199
views
1
answer
python - How do I exchange keys with values in a dictionary?
I receive a dictionary as input, and would like to to return a dictionary whose keys will be the input's ... neat Pythonic way to achieve this? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
427
views
1
answer
python - Plotting multiple scatter plots pandas
I think there are many questions on plotting multiple graphs but not specifically for this case as shown below. The pandas ... : 'a' and 'c' See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
400
views
1
answer
python - How to iterate over rows in a DataFrame in Pandas
I have a DataFrame from Pandas: import pandas as pd inp = [{'c1':10, 'c2':100}, {'c1':11,'c2':110}, { ... object is and how I can work with it. 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 - Create list can only concatenate str (not "int") to str
I would to like to create a list programmatically based on following variables: a = 'a' b = 'b' c = 1 d ... concatenate str (not "int") to str See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
493
views
1
answer
python 3.x - How to get discord.py bot to show different stats for every player?
So, I tried to make a currency bot a while back, but it ended up that everyone in the server shared the ... balance? Help would be appreciated! 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 to create a 2D binary array with 1's forming a "diamond" shape
I need to create a function that results in a diamond shape when given a side length. The diamond array should ... it should return [[1]] See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
725
views
1
answer
python 3.x - How to install PYODBC in Databricks
I have to install pyodbc module in Databricks. I have tried using this command (pip install pyodbc) but it is ... to below error. Error message See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
225
views
1
answer
python - Tensorflow runs out of memory while computing: how to find memory leaks?
I'm iteratively deepdreaming images in a directory using the Google's TensorFlow DeepDream implementation (https:// ... GeForce GTX 980 Ti. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
Page:
« prev
1
...
272
273
274
275
276
277
278
279
280
281
282
...
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] 从npm run dev 项目可以正常打包
[2] javascript - HTML and Jquery Modal for Editing
[3] eclipse 如何在使用快捷键进行单行注释时不在行首,而在代码前?
[4] 表有100个字段,我知道不想要的5个字段名称,怎样不一一列出95个字段名称就select出来?
[5] laravel - Livewire fire method when we type into input element
[6] vue项目less编译两套
[7] python - Airflow web logging: Flask-AppBuilder logs
[8] keras - Is there a way to create a "no prediction" catagory for low probablty predicitons on a multi-class classifcaiton problem?
[9] reactjs - Selected option deselecting after onIonChange event
[10] dva处理数据问题
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
...