Recent questions tagged Python

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python - Is there a way to suppress the messages TensorFlow prints?

I think that those messages are really important for the first few times but then it is just useless. It is ... just say it was successful? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Pandas: join DataFrames on field with different names?

According to this documentation I can only make a join between fields having the same name. Do you know if it's ... ON df1.id_key = df2.fk_key See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to pretty print in ipython notebook via sympy?

I tried pprint, print, the former only prints Unicode version, and the latter doesn't do pretty prints. from sympy import ... ((pi + x)**2) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - summing two columns in a pandas dataframe

when I use this syntax it creates a series rather than adding a column to my new dataframe (sum). Please help. My ... -09-01 00:00:00 200 300 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Can't install virtualenvwrapper on OSX 10.11 El Capitan

I recently wiped my Mac and reinstalled OSX El Capitan public beta 3. I installed pip with sudo easy_install ... Any help would be appreciated! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How can I tell whether my Django application is running on development server or not?

How can I be certain that my application is running on development server or not? I suppose I could check ... sure than relying on convention. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - In Flask convert form POST object into a representation suitable for mongodb

I am using Flask and MongoDB. I am trying to convert the content of request.form into something suitable for saving ... '], 'required': true } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to uninstall pip on OSX?

I ran the following commands: easy_install pip sudo pip install setuptools --no-use-wheel --upgrade How do I reverse ... pip as part of it) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - open file in "w" mode: IOError: [Errno 2] No such file or directory

When I try to open a file in write mode with the following code: packetFile = open("%s/%s/%s/%s.mol2" % ( ... So how can this error ever occur? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Is it safe to replace '==' with 'is' to compare Boolean-values

I did several Boolean Comparisons: >>> (True or False) is True True >>> (True or False) == True True It ... I just want to know the Truth. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Mapping dictionary value to list

Given the following dictionary: dct = {'a':3, 'b':3,'c':5,'d':3} How can I apply these values to a list such as: ... : lstval = [5, 3, 3, 3, 3] See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Getting first row from sqlalchemy

I have the following query: profiles = session.query(profile.name).filter(and_(profile.email == email, profile.password ... there is a match)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - changing sort in value_counts

If I do mt = mobile.PattLen.value_counts() # sort True by default I get 4 2831 3 2555 5 1561 [...] If ... do I need to use a different function. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to check if a datetime object is localized with pytz?

I want to store a datetime object with a localized UTC timezone. The method that stores the datetime object can be ... = pytz.utc.localize(d) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Why plt.imshow() doesn't display the image?

I am a newbie to keras, and when I tried to run my first keras program on my linux, something just didn ... first code didn't display anything? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Create HTML Mail with inline Image and PDF Attachment

I want to write a HTML mail in Python/Django containing these parts: HTML linking to logo.png logo.png which should ... ) in one mail in python? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Including a compiled module in module that is wrapped with f2py (Minimum working example)?

I have tried, but am failing, to get a minimum working example. As I do not need to ... /var/folders/yg/65v1lbd153v1jlt1kb91vcbm0000gq/T/tmpJSf2e8/var/folders/yg/65v1lbd153v1j...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Importing external module in single-file exe created with PyInstaller

I am using PyInstaller to create a single-file executable. Is it possible for my script to perform an ... use basically the same keywords. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to save a huge pandas dataframe to hdfs?

Im working with pandas and with spark dataframes. The dataframes are always very big (> 20 GB) and the standard ... My pandas version: 0.19.0 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Filling gaps in a numpy array

I just want to interpolate, in the simplest possible terms, a 3D dataset. Linear interpolation, nearest ... nearest-neighbour interpolator. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Confidence interval for exponential curve fit

I'm trying to obtain a confidence interval on an exponential fit to some x,y data (available here). Here ... packages I already have installed)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - new column with coordinates using geopy pandas

I have a df: import pandas as pd import numpy as np import datetime as DT import hmac from geopy. ... is greatly appreciated too. thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Changing Django development Database from the default SQLite to PostgreSQL

What are the steps I need to take to migrate from the default SQLite database to Postgres database? I'm ... use Postgres for local development? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Matplotlib: Add colorbar to non-mappable object

I have a series of lines representing the change of a variable; each with a unique color. For that reason I want ... (cax,aspect=10) plt.show() See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - PyInstaller 2.0 bundle file as --onefile

I'm trying to bundle my py script as an .exe using PyInstaller 2.0. I am able to bundle the script, but in ... with python 2.7.3 PLEASE HELP! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How can I use conda to install pydot?

Trying to generate some PDF's of decision trees by following some of the sklearn documentation, but can't get Pydot ... . Any ideas? Thanks all. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - `dyld: Library not loaded` error preventing virtualenv from loading

When I tried creating a virtual environment with python using the command virtualenv venv from Terminal, I got ... should I investigate next? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Twisted: Making code non-blocking

I'm a bit puzzled about how to write asynchronous code in python/twisted. Suppose (for arguments sake) I ... rapidly? Or something else? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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