Recent questions tagged Python

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python - How to load a javascript or css file into a BottlePy template?

I am trying to return a html template with BottlePy. And this works fine. But if I insert a javascript file ... .js -views index.tpl Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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531 views

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python - Django annotate groupings by month

I have a very basic model: class Link(models.Model): title = models.CharField(max_length=250, null=False) user = ... annotate()? Many thanks, G See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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449 views

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python - Extracting polygon given coordinates from an image using OpenCV

I've a set of points like the following: <data:polygon> <data:point x="542" y="107"/> <data:point x=" ... I do that using OpenCV with python ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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133 views

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python - Scraping websites with Javascript enabled?

I'm trying to scrape and submit information to websites that heavily rely on Javascript to do most of its actions. ... if that's what it takes. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Setting the size of the plotting canvas in Matplotlib

I would like Matplotlib/Pyplot to generate plots with a consistent canvas size. That is, the figures can well ... occupies more or less space. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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241 views

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python - How to config Django using pymysql as driver?

I'm new to Django. It wasted me whole afternoon to config the MySQL engine. I am very confused about the ... Is the ENGINE also the DRIVER? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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188 views

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python - Restoring TensorFlow model

I'm trying to restore TensorFlow model. I followed this example: http://nasdag.github.io/blog/2016/01/19/ ... without GPU to run predictions. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - howto install pygraphviz on windows 10 64bit

Has anyone succeeded in installing pygraphviz on windows 10 64bit? I tried anaconda with python 3.5 64bit & 32bit ... would be also happy ... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Passing C++ vector to Numpy through Cython without copying and taking care of memory management automatically

Dealing with processing large matrices (NxM with 1K <= N <= 20K & 10K <= M <= 200K), I often need to ... able to use them in these scenarios. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Streaming a CSV file in Django

I am attempting to stream a csv file as an attachment download. The CSV files are getting to be 4MB ... csv output return csv_handle.getvalue() See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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211 views

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python - Accessing parent model instance from modelform of admin inline

I'm using a TabularInline in Django's admin, configured to show one extra blank form. class MyChildInline(admin. ... any way to do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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420 views

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python - How do I convert (or scale) axis values and redefine the tick frequency in matplotlib?

I am displaying a jpg image (I rotate this by 90 degrees, if this is relevant) and of course the axes ... figures, artists etc! Cheers, Dave See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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497 views

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python - How to specify the prior probability for scikit-learn's Naive Bayes

I'm using the scikit-learn machine learning library (Python) for a machine learning project. One of ... the scikit documentation of GaussianNB See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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316 views

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python - How does one obtain the location of text in a PDF with PDFMiner?

PDFMiner's documentation says: PDFMiner allows one to obtain the exact location of text in a page However, I have ... understood how to do this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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642 views

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python - Pre-Populate a WTforms in flask, with data from a SQLAlchemy object

I am fairly new to flask framework and was creating an edit profile page for a webportal. I am stuck ... the edit profile functionality here. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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665 views

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python - How to build multiple .py files into a single executable file using pyinstaller?

I have made a small PyQt application containing 5-6 .py files. Now I want to build and compile them into a ... files into a single .exe file? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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362 views

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python - Using PySerial is it possible to wait for data?

I've got a Python program which is reading data from a serial port via the PySerial module. The two conditions I ... comes in, then go get it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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138 views

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python - How do you get all the rows from a particular table using BeautifulSoup?

I am learning Python and BeautifulSoup to scrape data from the web, and read a HTML table. I can read it into Open ... to do more than I need. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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548 views

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python - opencv VideoWriter under OSX producing no output

I am trying to create a video from the python wrapper for OpenCV under OSX. I am using python 2.7.1, opencv 2. ... I'm not sure what to try next See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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237 views

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python - Changing color scale in seaborn bar plot

I would like to use seaborn bar plot for my data with a color scale according to the values in the Y-axis. For ... I do it? Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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769 views

1 answer

python - Flask APP - ValueError: signal only works in main thread

I try to create a simple flask app: from flask import Flask app = Flask(__name__) if __name__ == '__main__ ... signal only works in main thread See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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399 views

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python - PyCharm can not resolve PyGObject 3.0, but code runs fine

I'm using PyCharm 2.5 on Ubuntu 11.10, trying to develop an application using PyGObject 3.0 on Python ... advice would be greatly appreciated! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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392 views

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python - matplotlib: how to decrease density of tick labels in subplots?

I'm looking to decrease density of tick labels on differing subplot import pandas as pd import matplotlib.pyplot as ... the back of the plot) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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186 views

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python - How to modify bits in an integer?

I have an integer with a value 7 (0b00000111) And I would like to replace it with a function to 13 (0b00001101) ... 3rd bit to 1 in somevalue? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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173 views

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python - Parallel Pip install

Our Django project is getting huge. We have hundreds of apps and use a ton of 3rd party python packages, many of ... did it or what they used. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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176 views

1 answer

python - Saving dictionary of numpy arrays

So I have a DB with a couple of years worth of site data. I am now attempting to use that data for analytics ... example code 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)

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423 views

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python - Testing Flask login and authentication?

I'm developing a Flask application and using Flask-security for user authentication (which in turn uses Flask- ... this particular unit test. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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292 views

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python - Install Jupyter Notebook on Miniconda

I installed Miniconda and I'm trying to use Jupyter Notebook with it but haven't been able to do so. After ... how to fix this? Thank you See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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