Recent questions tagged Python

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python - How to get the name of a submitted form in Flask?

I'm building a website using Flask, and on one page I've got two forms. If there's a POST, I need ... the form submitted? All tips are welcome! See Question&Answers more detail:os...

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

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571 views

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python - Building a simple progress bar or loading animation in Kivy?

I am writing a Kivy UI for cmd line utility I have developed. Everything works fine, but some of the ... example 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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156 views

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python - VideoCapture Does Not Work in Anaconda

I am using ubuntu 14.04, and have anaconda python installed. I used conda install opencv and conda install cv2 to ... stuck on this for hours. 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 - Who can give a clear explanation for `combineByKey` in Spark?

i am learning spark, but i can't understand this function combineByKey. >>> data = sc.parallelize([("A",1 ... i am confused the algorithm flow. 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 3.x - what is the difference between a variable and StringVar() of tkinter

Code: import tkinter as tk a = "hi" print(a) a1 = tk.StringVar() a1.set("Hi") print(a1) Output: hi ... their use-cases. Why a1 is giving error? See Question&Answers more detail:os...

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

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104 views

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python - How to run Django management commands against Google Cloud SQL

Currently , I have deployed my django project on google app engine. I need to run python manage.py migrate ... where to run this command. 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 - How to get weights from .pb model in Tensorflow

I trained one model and then create one .pb file by freeze that model. so, my question is how to get ... get weights @mrry, please guide me. See Question&Answers more detail:os...

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

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233 views

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python - Automatic White Balancing with Grayworld assumption

I have been trying to implement the white balancing algorithms provided by: https://pippin.gimp.org/image-processing/ ... am I going wrong? 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 - Cleaning image for OCR

I've been trying to clear images for OCR: (the lines) I need to remove these lines to sometimes further process ... a generic 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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261 views

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python - match until a certain pattern using regex

I have string in a text file containing some text as follows: txt = "java.awt.GridBagLayout.layoutContainer" I am ... to how I could fix 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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1.2k views

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python - Multiprocessing of Scrapy Spiders in Parallel Processes

There as several similar questions that I have already read on Stack Overflow. Unfortunately, I lost links of all of them, because my ... ': 'Rs. 94.05', 'imageurl': 'http://bigb...

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 - ImportError: cannot import name constants

I'm trying to run a simple piece of code using pyzmq. I am using Python 2.7 and pyzmq 14.5 $ python -- ... problem. I'm getting the same error! See Question&Answers more detail:os...

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

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636 views

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python - How do you resolve 'hidden imports not found!' warnings in pyinstaller for scipy?

I'm working on using pyinstaller to create an .exe for a python program that uses pandas and sklearn. The ... 0. Any help is 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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123 views

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python - how to install numpy and pandas on windows

I'll preface by saying I'm a programming n00b by stack standards. I have experience with data analysis and scripting -- ... In [4]: ts.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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365 views

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python - Building a RESTful Flask API for Scrapy

The API should allow arbitrary HTTP get requests containing URLs the user wants scraped, and then Flask should return the ... ', port=int(PORT)) See Question&Answers more detail:os...

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

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257 views

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python - Matplotlib create real time animated graph

I am having a hard time setting up my code to create a real time animated graph, my code is graphing after the data ... 3,.0553 4,.0742 5,.0232 See Question&Answers more detail:os...

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

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344 views

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python 3.x - How to POS_TAG a french sentence?

I'm looking for a way to pos_tag a French sentence like the following code is used for English sentences ... .pos_tag(tokenized) return tagged See Question&Answers more detail:os...

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

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357 views

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python - From password-protected Excel file to pandas DataFrame

I can open a password-protected Excel file with this: import sys import win32com.client xlApp = win32com.client. ... method for this to happen? See Question&Answers more detail:os...

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

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321 views

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python - Difference between setup.py install and setup.py develop

I am trying to improve my workflow when developing python modules and have a rather basic question. What exactly ... using the develop option. See Question&Answers more detail:os...

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

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290 views

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python - django object is not JSON serializable error after upgrading django to 1.6.5

I have a django app which was running on 1.4.2 version and working completely fine, but recently i updated ... happening to cause the error ? See Question&Answers more detail:os...

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

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598 views

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python - Pandas: Using Unix epoch timestamp as Datetime index

My application involves dealing with data (contained in a CSV) which is of the following form: Epoch (number ... way of handling these formats? See Question&Answers more detail:os...

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

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224 views

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python - Choose m evenly spaced elements from a sequence of length n

I have a vector/array of n elements. I want to choose m elements. The choices must be fair / deterministic -- ... I have to calculate the LCD? See Question&Answers more detail:os...

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

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209 views

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python - Pandas: where's the memory leak here?

I face the problem of memory leaks using pandas library in python. I create pandas.dataframe objects in my class and ... numpy.version is 1.6.1 See Question&Answers more detail:os...

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

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370 views

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python - How to register a custom gradient for a operation composed of tf operations

More specifically I have a simple fprop that is a composition of tf operations. I want to override the tensorflow ... 28867513 0.35355341 0.5 ] See Question&Answers more detail:os...

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

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708 views

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python - k-means with selected initial centers

I am trying to k-means clustering with selected initial centroids. It says here that to specify your initial centers: ... so it can be accepted? See Question&Answers more detail:os...

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

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124 views

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python - how to create a list of lists

My Python code generates a list everytime it loops: list = np.genfromtxt('temp.txt', usecols=3, dtype=[('floatname ... as an array?? 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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169 views

1 answer

python - when to commit data in ZODB

I am trying to handel the data generated by the following piece of code: for Gnodes in G.nodes() # ... Any guidance would be 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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245 views

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python - Difficulty importing .dat file

I am somehow having difficulty reading in this file into python with pandas read_table function. http://www.ssc. ... string of length 0 found See Question&Answers more detail:os...

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

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