Recent questions tagged Python

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Where is the buffer in this following ... and how do I turn it off? I am writing out to stdout in a ... buffering on both ends of the pipe. 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 linux selenium: chrome not reachable

I'm trying to run selenium on Ubuntu 16.10 Server, but I'm getting WebDriverException : Message : chrome not ... Google Chrome 57.0.2987.110 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 - Getting captured group in one line

There is a known "pattern" to get the captured group value or an empty string if no match: match = re. ... 'm looking for a generic approach. 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 edit PYTHONPATH on a Mac?

How can I permanently change the PYTHONPATH on a mac? I've tried editing .bash_profile, but when I use print sys. ... to put that in every 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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python - matplotlib and libpng issues with ipython notebook

I was trying to use ipython notebook . I installed all the dependency libraries. However, I cannot use either the ... struct Thanks a lot, Jie 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 - Ignore certain packages and their dependencies with pip freeze

Title basically says it all. How can I tell pip freeze to ignore certain packages, like pylint and pep8, and their dependencies? 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 - prevent IOError: [Errno 5] Input/output error when running without stdout

I have a script that runs automatically on server through cronjob and it import and run several other scripts. ... are spawned etc. 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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python - BULK INSERT error code 3: The system cannot find the path specified

I am trying to bulk insert a local file into a remote MS_SQL database using pyodbc. I am able to connect ... if you need any more information. 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 filtered queryset in django admin?

I have many different filters in Django admin: class OrderAdmin(admin.ModelAdmin): ... list_filter = (' ... returns queryset without filters. 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 - Running unit tests on nested functions

I come from the Java world, where you can hide variables and functions and then run unit tests against them ... by prefixing them with __? 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 - pandas: how to find the most frequent value of each row?

how to find the most frequent value of each row of a dataframe? For example: In [14]: df Out[14]: a b c 0 2 3 3 1 1 1 2 2 7 7 8 return: [3,1,7] See Question&Answers more detail:os...

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

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python - Creating Custom Tag in PyYAML

I'm trying to use Python's PyYAML to create a custom tag that will allow me to retrieve environment variables ... can get this one working) 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 assign a string value to an array in numpy?

When I try to assign a string to an array like this: CoverageACol[0,0] = "Hello" I get the following ... numpy array. 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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292 views

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python - JSON vs. Pickle security

I recently came across the security problems of the Python pickle and cPickle modules. Obviously, there are no real ... ? Thanks a lot! Mark 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 - Django 1.8 RC1: ProgrammingError when creating database tables

I'm using AbstractBaseUser for my user models in various projects. Updating to Django 1.8 RC1 works smoothly ... with the new Django version. See Question&Answers more detail:os...

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

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554 views

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python - Mocking urllib2.urlopen().read() for different responses

I am trying to mock the urllib2.urlopen library in a way that I should get different responses for different urls I ... easier 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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305 views

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python - Pandas merge return empty dataframe

I have two dataframes current_bin.info() <class 'pandas.core.frame.DataFrame'> Int64Index: 16 entries, 0 to 15 ... can i correct the problem? 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 scikit-learn (sklearn) SVM decision boundary / surface

I am currently performing multi class SVM with linear kernel using python's scikit library. The sample training ... followed. 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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293 views

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python - Filling dict with NA values to allow conversion to pandas dataframe

I have a dict that holds computed values on different time lags, which means they start on different dates. For instance ... extend([10, 7, 18]) 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: How to add a column to an existing structured array?

I have a starting array such as: [(1, [-112.01268501699997, 40.64249414272372]) (2, [-111.86145708699996, ... 've also tried vstack and hstack See Question&Answers more detail:os...

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

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619 views

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python - Virtualenv OSError - setuptools pip wheel failed with error code 1

I get the following error message when trying to set up a virtual environment with virtualenv 15.0.2 but receive ... how to resolve this issue? See Question&Answers more detail:os...

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

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463 views

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python - Insert column using openpyxl

I'm working on a script that modifies an existing excel document and I need to have the ability to insert a ... , any advice on writing one? 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 2.7 - Convert ctype byte array to bytes

I have a ctypes array that I defined like this: buff= (c_ubyte*buff_size)() After filling the buffer up ... feature for such things? 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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226 views

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python - Plotting with matplotlib in threads

I know there are quite some questions on matplotlib and threading, also that pyplot is not threadsave. I couldn't ... there" Thx for you Help 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 - WindowsError: [Error 2] The system cannot find the file specified

I am having a problem with this code. I am trying to rename all of the filenames within a folder so ... filename, filename.replace(old,new)) See Question&Answers more detail:os...

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

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432 views

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python - Git push via GitPython

I have this code in Python (using "import git"): repo = git.Repo("my_repository") repo.git.add("bla.txt ... git push origin HEAD:refs/for/master See Question&Answers more detail:os...

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

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343 views

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python - When I type non-ASCII characters using a Windows keyboard I get "?"

When I type non-ASCII characters using a Windows keyboard (in the language bar), I get question marks ? where ... bar under the US locale. See Question&Answers more detail:os...

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

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809 views

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python - Keras that does not support TensorFlow 2.0. We recommend using `tf.keras`, or alternatively, downgrading to TensorFlow 1.14

I am having an error regarding (Keras that does not support TensorFlow 2.0. We recommend using tf.keras, or ... downgrading to TensorFlow 1.14. See Question&Answers more detail:os...

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

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