Recent questions tagged Python

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python - Initialize Multiple Numpy Arrays (Multiple Assignment) - Like MATLAB deal()

I was unable to find anything describing how to do this, which leads to be believe I'm not doing this in ... performance) way of doing 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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python - Restoring a Tensorflow model that uses Iterators

I have a model that's trains my network using an Iterator; following the new Dataset API pipeline model ... ignoring the iterator altogether. 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 process all kinds of exception in a scrapy project, in errback and callback?

I am currently working on a scraper project which is much important to ensure EVERY request got properly handled ... HTTPError: ignore or retry 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 - Install paramiko on Windows

OK. I read installing paramiko on Windows. All mentioned methods simply do not work. Authors have different ... Solution has been 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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python - Convert array of string (category) to array of int from a pandas dataframe

I am trying to do something very similar to that previous question but I get an error. I have a pandas dataframe containing ... such 0, 1, 2, 3. See Question&Answers more detail:os...

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

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590 views

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python - Extracting contents from specific meta tags that are not closed using BeautifulSoup

I'm trying to parse out content from specific meta tags. Here's the structure of the meta tags. The first two ... (attrs={"name":"description"}) See Question&Answers more detail:os...

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

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439 views

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python - Deploy Flask app as windows service

I'm using the template found here: Is it possible to run a Python script as a service in Windows? If ... 's a permission problem. 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 - Django model group by datetime's date

Assume I have a such model: class Entity(models.Model): start_time = models.DateTimeField() I want to regroup ... in a pythonic way ? 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 - Proximity Matrix in sklearn.ensemble.RandomForestClassifier

I'm trying to perform clustering in Python using Random Forests. In the R implementation of Random Forests, there ... for the python 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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python - Django admin inline: select_related

Using Django 1.8 on Python 3.4.1 with models: class Product(models.Model): name = models.CharField(max_length=255) ... Inline. What do i miss? See Question&Answers more detail:os...

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

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434 views

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python - MySQLClient instal error: "raise Exception("Wrong MySQL configuration: maybe https://bugs.mysql.com/bug.php?id"

I am trying to install mysqlclient to my Python 3.6. Originally what i want to install is MySQLdb, however it was ... i do to solve 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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278 views

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python - Reshaping dataframes in pandas based on column labels

What is the best way to reshape the following dataframe in pandas? This DataFrame df has x,y values for ... are string identifiers. 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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343 views

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python - Reindexing Elastic search via Bulk API, scan and scroll

I am trying to re-index my Elastic search setup, currently looking at the Elastic search documentation and an ... got the scroll_id 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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347 views

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python - Heatmap on top of image

I have Images of different objects (Pascal Voc) and I have a probability heatmap. I want to visualize it ... way to visualize the probabilities? See Question&Answers more detail:os...

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

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534 views

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python - filling gaps on an image using numpy and scipy

The image (test.tif) is attached. The np.nan values are the whitest region. How to fill those whitest region ... = ndimage.imread('test.tif') See Question&Answers more detail:os...

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

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302 views

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python - "no such column" after adding a field to the model

environment DJANGO VERSION 1.9 Python 2.7.6 I added a field (scores) to a model class in models.py like this from ... 17 三月 2016 14:08:04 +0800 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 statsmodels to use heteroskedasticity corrected standard errors in coefficient t-tests

I've been digging into the API of statsmodels.regression.linear_model.RegressionResults and have found how to ... with statsmodels results? See Question&Answers more detail:os...

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

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399 views

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python - Assigning return value of function to a variable, with multiprocessing? And a problem about IDLE?

I'm trying to understand multiprocessing in python. from multiprocessing import Process def multiply(a,b): print(a*b) ... IDLE: ok. 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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840 views

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python - Why PyAutoGui LocateOnScreen() only Returns None

Here's the code that I'm trying to run: import pyautogui r=pyautogui.locateOnScreen('C:UsersDavidDesktopindex.png',grayscale=False) print r 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 save and load MLLib model in Apache Spark?

I trained a classification model in Apache Spark (using pyspark). I stored the model in an object, ... what the community thinks. See Question&Answers more detail:os...

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

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308 views

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python - How can I filter Emoji characters from my input so I can save in MySQL <5.5?

I have a Django app that takes tweet data from Twitter's API and saves it in a MySQL database. As far as I ... UCS-4 build. Thanks for reading. See Question&Answers more detail:os...

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

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334 views

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python - Keras input_shape for conv2d and manually loaded images

I am manually creating my dataset from a number of 384x286 b/w images. I load an image like this: x = [] ... i have to reshape the input array? See Question&Answers more detail:os...

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

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310 views

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python - Multiple domains and subdomains on a single Pyramid instance

I'm looking to have multiple domains and subdomains on a single Pyramid instance. However, I can't seem ... direct me to better documentation? See Question&Answers more detail:os...

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

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335 views

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python - creating a simple package that can be install via Pip & virtualenv

I would like to create the simplest (hello world package) package that I could install using pip in a ... the package folder ? 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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557 views

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python - SQLAlchemy how to filter by children in many to many

I was asking for a problem I had in SQLAlchemy and found the solution while writing. I post it anyway just in ... by tags at the same time? 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 use numpy with OpenBLAS instead of Atlas in Ubuntu?

I have looked for an easy way to install/compile Numpy with OpenBLAS but didn't find an easy answer. All ... . This was noticed here already. See Question&Answers more detail:os...

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

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201 views

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python - Import modules from different folders

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

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363 views

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python - Django QuerySet Custom Ordering by ID

Given a list of ids/pks, I'd like to generate a QuerySet of objects ordered by the index in ... Django's ModelMultipleChoiceField form field. See Question&Answers more detail:os...

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

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