Recent questions tagged Python

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python - Insert image in matplotlib legend

I'd like to insert a couple small graphics (vector graphics but can be made raster if necessary) into the legend ... in the pyplot.legend call? 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 - psycopg2 TypeError: not all arguments converted during string formatting

I'm trying execute a simple query, but getting this error no matter how I pass the parameters. Here is the ... leads to the very same error. 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 concat bytes to str

This is proving to be a rough transition over to python. What is going on here?: f = open( 'myfile', 'a ... TypeError: can't concat bytes to str 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 - Passing list-likes to .loc or [] with any missing labels is no longer supported

I want to create a modified dataframe with the specified columns. I tried the following but throws the ... display tips tips_filtered Thank you 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 - Styling part of label in legend in matplotlib

Is it possible to have part of the text of a legend in a particular style, let's say, bold or italic? See Question&Answers more detail:os...

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

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495 views

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python - Matplotlib savefig with a legend outside the plot

Reading the following article, I managed to put a legend outside plot. How to put the legend out of the plot code ... version is 0.99.3. 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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125 views

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python - How to limit the size of a comprehension?

I have a list and want to build (via a comprehension) another list. I would like this new list to be ... a mechanism which uses a comprehension. 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 3.x - itertools.cycle().next()?

Well, I was using itertools.cycle().next() method with Python 2.6.6, but now that I updated to 3.2 I ... as before? Thank you in advance. 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 does '() is ()' return True when '[] is []' and '{} is {}' return False?

From what I've been aware of, using [], {} or () to instantiate objects returns a new instance of list, ... like lists or dictionaries do not? 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 - Prevent anti-aliasing for imshow in matplotlib

When I use matplotlib's imshow() method to represent a small numpy matrix, it ends up doing some smoothing ... way to disable this behavior? See Question&Answers more detail:os...

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

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698 views

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python - Error when calling the metaclass bases: function() argument 1 must be code, not str

I tried to subclass threading.Condition earlier today but it didn't work out. Here is the output of the ... someone explain this error? 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 - ImportError : Attempted relative import with no known parent package

I am learning to program with python and I am having issues with importing from a module in a package. I ... import with no known parent package 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 call super method from grandchild class?

I am working with some code that has 3 levels of class inheritance. From the lowest level derived class, what is ... the method I need to call. See Question&Answers more detail:os...

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

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145 views

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python - How to round a numpy array?

I have a numpy array, something like below: data = np.array([ 1.60130719e-01, 9.93827160e-01, 3.63108206e-04]) ... places. How can I do so? See Question&Answers more detail:os...

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

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273 views

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python - pandas DataFrame "no numeric data to plot" error

I have a small DataFrame that I want to plot using pandas. 2 3 0 1300 1000 1 242751149 199446827 2 237712649 ... of no numeric data to plot. See Question&Answers more detail:os...

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

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381 views

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python - Difference between extras_require() and install_requires() in setup.py?

I am trying to understand the difference between extras_require() and install_requires() in setup.py but couldn ... the difference between them? See Question&Answers more detail:os...

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

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410 views

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python - numpy array TypeError: only integer scalar arrays can be converted to a scalar index

i=np.arange(1,4,dtype=np.int) a=np.arange(9).reshape(3,3) and a >>>array([[0, 1, 2], [3, ... scalar arrays can be converted to a scalar index See Question&Answers more detail:os...

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

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197 views

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python - ImportError: No module named dateutil.parser

I am receiving the following error when importing pandas in a Python program monas-mbp:book mona$ sudo pip install ... , values='Book-Rating') See Question&Answers more detail:os...

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

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202 views

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python - Align arbitrarily rotated text annotations relative to the text, not the bounding box

While trying to answer an old, unanswered question, I encountered a little problem concerning text annotations in matplotlib: ... I'd share 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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348 views

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python - Converting Unicode string to Chinese characters

How can I convert the following Unicode string to Chinese characters? The string is: '\u5982\u679c\u6211\u662f\u4e00\u4e2a\ ... 的世界，我会最怀念什么？ See Question&Answers more detail:os...

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

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114 views

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python - Remove duplicates from json data

Is there an efficient way to remove duplicates 'person_id' fields from this data with python? In this case just keep the ... 23, y: 333, }, } See Question&Answers more detail:os...

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

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188 views

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python - print function does not show output on sublime text 3 console

I have started off with Python today and stuck with a weird problem. I am using Python 3.5.1 and Sublime ... programs from CMD with no problems. See Question&Answers more detail:os...

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

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336 views

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python - Unable to install pip: Permission denied error

I am trying to install pip but currently unable to. I navigate to the pip folder and python setup. ... install uninstall easy_install Any ideas? See Question&Answers more detail:os...

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

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105 views

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python - memory not being given back to kernel

I have a very simple script that allocates memory, dels the only reference to a sizable object, all the ... returned to the operating system? See Question&Answers more detail:os...

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

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338 views

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python - How to dynamically iterate over the output of an upstream task to create parallel tasks in airflow?

Consider the following example of a DAG where the first task, get_id_creds, extracts a list ... upload_transactions.set_downstream(get_id_creds) See Question&Answers more detail:os...

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

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299 views

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python - How to warp an image using deformed mesh

I'm trying to generate "crumpled" images using images obtained from a flatbed bed scanner. By following the ... grateful if someone can 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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761 views

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python - How to click a link that has javascript:__doPostBack in href?

I am writing a screen scraper script in python with module 'mechanize' and I would like to use the mechanize ... source after clicking the link. See Question&Answers more detail:os...

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

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533 views

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python - Py2exe - win32api.pyc ImportError DLL load failed

I am trying to use py2exe to distribute a python application I have written. Everything seems to go OK, ... be greatly appreciated Thanks Jon See Question&Answers more detail:os...

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

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