Recent questions tagged PYTHON

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python - Numpy import throws AttributeError: 'module' object has no attribute 'core'

import numpy as np File "/home/anirrudh/.virtualenvs/ml4t2/local/lib/python2.7/site-packages/numpy/__init__.py", ... until a little while ago. 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 - virtualenv with python2 and python3 via Homebrew

I have installed python2 and python3 with Homebrew. I would like to use virtualenv but I am not sure if ... greatly appreciated. Thanks, Greg 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 - Plot smooth curves of Pandas Series data

My data is: >>> ts = pd.TimeSeries(data,indexconv) >>> tsgroup = ts.resample('t',how='sum') >>> tsgroup ... but it doesn't support Python 2.6. 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 path of Start Menu's Programs directory?

...for current user? for all users? I'm working an a small program which needs to create links in ... 'Start MenuProgramsOur Stuff' 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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python - stdout redirect from Jupyter notebook is landing in the terminal

So I was trying to redirect stdout for a some of the cells in my Jupyter Notebook to a file with this and ... goes instead of in the terminal? 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 - decode base64 like string with different index table(s)

My problem is, that I have something encoded (base64 like) with a differnet index table: ... "".join(l) 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 - Merge two or more lists with given order of merging

On start I have 2 lists and 1 list that says in what order I should merge those two lists. For example I have ... help me, but no real result. 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 - numpy/scipy build adjacency matrix from weighted edgelist

I'm reading a weighted egdelist / numpy array like: 0 1 1 0 2 1 1 2 1 1 0 1 2 1 4 where the ... looking for a memory efficient way to do that. 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 - WebDriverException: Message: 'Can not connect to the ChromeDriver'. Error in utils.is_connectable(self.port):

I am trying to use the chromedriver 2.10 to run my tests on Chrome Browser Version 35.0.1916.114 On ... error is while making the connection 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 - Hash algorithm for dynamic growing/streaming data?

Are there any algorithms that you can continue hashing from a known hash digest? For example, the client upload a ... a dirty internal hack.) 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 - python3 ctype CreateWindowEx simple example

I have googled for some time but could not find simple example of python3 ctypes and Win32 API for creating and ... here. 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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python - Why can't I assign an arbitrary iterable to an extended slice whose step is -1?

Python 3.2.3 (default, Apr 11 2012, 07:15:24) [MSC v.1500 32 bit (Intel)] on win 32 Type "help", " ... 1 and have it work in the obvious way? 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 - Where is the code for gradient descent?

Running some experiments with TensorFlow, want to look at the implementation of some functions just to see exactly ... relevant source code is? 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 can I remove/unimport symbols from __future__ after importing them?

In python 2.x, dividing two integers returns an integer. However, if you use from ___future___ import division ... does integer division again? 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 - Efficiently generating multiple instances of numpy.random.choice without replacement

I'm new to Python. While reading, please mention any other suggestions regarding ways to improve my Python ... timeit(5)) 0.3863314103162543 See Question&Answers more detail:os...

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

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355 views

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python - PyQt4 jpeg/jpg unsupported image format

I'm trying to get QImage (or anything in PyQt4, for that matter) to load a jpg file in a script. I ... I get these back to being supported? 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 - POS-Tagger is incredibly slow

I am using nltk to generate n-grams from sentences by first removing given stop words. However, nltk.pos_tag() ... I doing something wrong 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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466 views

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python - Remove time portion of DateTime index in pandas

When I query a service through their API for daily data, they throw in a time portion which is equal to ... I can remove the time portion? 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 - In PyInstaller, Why Won't NumPy.Random.Common Load as a Module?

I'm trying to compile a .py program into a Windows .exe using PyInstaller. Whenever I try to execute the ... run properly without any issues. 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 - While loop one-liner

Is it possible for to have a python while loop purely on one line, I've tried this: while n<1000:if n%3 ... : Invalid Syntax at the if statement See Question&Answers more detail:os...

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

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159 views

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python - Determining what tkinter window is currently on top

I have written an application in python 2.7 and tkinter. I created a tool bar with several buttons that open ... things up. 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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176 views

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python - Diff on pandas dataframe with more than one column

I have a pandas dataframe with two columns: ddf.head() a b 0 3136 13280 1 3072 13312 2 3152 13296 3 ... expected 'float32_t' but got 'double' 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 - Matplotlib FuncAnimation for scatter plot

I am trying to use the FuncAnimation of Matplotlib to animate the display of one dot per frame of animation ... using the animation package? 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 - ImportError: pycurl: libcurl link-time ssl backend (openssl) is different from compile-time ssl backend (none/other)

I wanted to run python file. But I could check this error when I ran it. ImportError: pycurl: libcurl link-time ssl ... .2 and I used python 2.7 See Question&Answers more detail:os...

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

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385 views

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python - Change default Ubuntu pip to pip2.7

As the title says, is there a way to change the default pip to pip2.7 When I run sudo which pip, I get / ... any point. Other info: Ubuntu 15.10 See Question&Answers more detail:os...

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

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460 views

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python - Vectorization of this Numpy double loop

How can I vectorize the following double-loop? I have one N by A matrix and one N by B matrix, where A and B may ... i] - b[:,j]) Any ideas? See Question&Answers more detail:os...

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

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143 views

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python - Boolean operations

I'm confused on how Python evaluates boolean statements. For ex. False and 2 or 3 returns 3 How is this ... perplexed here, please help! 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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320 views

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python - Does scipy.integrate.ode.set_solout work?

The scipy.integrate.ode interface to integration routines provides a method for stopping the integration if a ... using set_solout correctly? See Question&Answers more detail:os...

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

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