Recent questions tagged Python

0 votes

322 views

1 answer

python - ValueError: need more than 1 value to unpack

Ok, i know this topic has been addressed several times, but none of what i seen is helping me. I'm getting the ... ,91,75 steve davis,88,92,84 See Question&Answers more detail:os...

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

0 votes

205 views

1 answer

python - How to use matplotlib to create a large graph of subplots?

I am having trouble looping through each subplot. I reach the coordinates for the subplot, and then want different ... i, j].set_title(model) See Question&Answers more detail:os...

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

0 votes

590 views

1 answer

python - How to check if Paramiko successfully uploaded a file to an SFTP server?

I use Paramiko to put a file to an SFTP server: import paramiko transport = paramiko.Transport((host, port)) ... case, how exactly it works? See Question&Answers more detail:os...

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

0 votes

114 views

1 answer

python - writing large amount of data to stdin

I am writing a large amount of data to stdin. How do i ensure that it is not blocking? p=subprocess.Popen([ ... 400, the error would not happen See Question&Answers more detail:os...

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

0 votes

368 views

1 answer

python - Tkinter Image transparency

So I have 2 images that I would like to display on top of each other. The image on top should have transparency ... bottom and the eyes on top. See Question&Answers more detail:os...

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

0 votes

240 views

1 answer

python - Can I mimic a log scale of an axis in matplotlib without transforming the associated data?

I am trying to display a Zipf plot, which is typically displayed on a log-log scale. I'm using a ... plot without transforming the data? See Question&Answers more detail:os...

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

0 votes

267 views

1 answer

python - Method for guessing type of data represented currently represented as strings

I'm currently parsing CSV tables and need to discover the "data types" of the columns. I don't know the ... )? What about integers and floats? See Question&Answers more detail:os...

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

0 votes

317 views

1 answer

python - Regex that matches punctuation at the word boundary including underscore

I am looking for a Python regex for a variable phrase with the following properties: (For the sake of ... rather than any external packages. See Question&Answers more detail:os...

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

0 votes

136 views

1 answer

python - Why is this false? `SomeClass.method is SomeClass.method`

Take this code for example: class SomeClass(): def a_method(self): pass print(SomeClass.a_method is SomeClass. ... output match example 2? See Question&Answers more detail:os...

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

0 votes

352 views

1 answer

python - Why does time.sleep pause tkinter window before it opens

I'm developing a program for a stadium and time.sleep() pauses the program before the window opens instead of ... .pack_forget() root.mainloop() See Question&Answers more detail:os...

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

0 votes

395 views

1 answer

python - How do you express a multi table update (UPDATE FROM) in SQLAlchemy ORM?

CREATE TABLE foo ( name text NOT NULL, deleted_at timestamp without time zone ); CREATE TABLE bar ( name ... the update command completes. See Question&Answers more detail:os...

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

0 votes

215 views

1 answer

python - Calling BLAS / LAPACK directly using the SciPy interface and Cython

There was a post on this here: https://gist.github.com/JonathanRaiman/f2ce5331750da7b2d4e9 which shows a great speed ... how to call it yet. See Question&Answers more detail:os...

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

0 votes

320 views

1 answer

python - Pandas: using groupby to get mean for each data category

I have a dataframe that looks like this: >>> df[['data','category']] Out[47]: data category 0 4610 2 15 ... to get the mean of each category? See Question&Answers more detail:os...

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

0 votes

317 views

1 answer

python - scrapy spider sends spider_close signal before it closes

I have a spider that takes a file as a parameter, this file contains the xpaths. The spider parses the file ... real name for privacy issues. See Question&Answers more detail:os...

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

0 votes

203 views

1 answer

python - How to check if a specific digit is in an integer

I want to check if, for example, the digit '2' is in 4059304593. My aim is to then check if there are ... can someone point out a better way? See Question&Answers more detail:os...

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

0 votes

421 views

1 answer

python - Training PyTorch models on different machines leads to different results

I am training the same model on two different machines, but the trained models are not identical. I have taken ... other tricks I can employ? See Question&Answers more detail:os...

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

0 votes

134 views

1 answer

python - Distance matrix for custom distance

From what I understand, the scipy function scipy.spatial.distance_matrix returns the Minkowski distance for ... own distance_matrix function. See Question&Answers more detail:os...

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

0 votes

108 views

1 answer

python - Convert dictionary into list with length based on values

I have a dictionary d = {1: 3, 5: 6, 10: 2} I want to convert it to a list that holds the keys ... a list comprehension. How can this be done? See Question&Answers more detail:os...

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

0 votes

160 views

1 answer

python - How to use the confusion matrix module in NLTK?

I followed the NLTK book in using the confusion matrix but the confusionmatrix looks very odd. #empirically exam ... use the confusion matrix? See Question&Answers more detail:os...

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

0 votes

278 views

1 answer

python - Two methods inherited from one method in class are different in instances, aren't they?

Can someone please explain why it is so? class Foo: def bar(self): pass a = Foo() b = Foo() a.bar == ... class method and it's the one method. See Question&Answers more detail:os...

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

0 votes

99 views

1 answer

python - Mask out specific values from an array

Example: I have an array: array([[1, 2, 0, 3, 4], [0, 4, 2, 1, 3], [4, 3, 2, 0, 1], [4, ... =bool) What's the simplest way to do this in NumPy? See Question&Answers more detail:os...

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

0 votes

415 views

1 answer

python - How to de-skew a text image also retrieve the new bounding box of that image?

Here's a receipt image that I've got and I've plotted it using matplotlib and If you see the image the ... problem please help me out? Thanks. See Question&Answers more detail:os...

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

0 votes

467 views

1 answer

python - UnicodeEncodeError: 'charmap' codec can't encode character... problems

Before anyone gives me crap about this being asked a billion times, please note that I've tried several of the ... /or decode it. Please help. See Question&Answers more detail:os...

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

0 votes

595 views

1 answer

python - Process finished with exit code -1073740791 (0xC0000409) pycharm error

I am trying to use fastText with PyCharm. Whenever I run below code: import fastText model=fastText.train_unsupervised(" ... done to avoid it? See Question&Answers more detail:os...

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

0 votes

421 views

1 answer

python - Caffe shape mismatch error using pretrained VGG-16 model

I am using PyCaffe to implement a neural network inspired by the VGG 16 layer network. I want to use the pre- ... run the net surgery script). See Question&Answers more detail:os...

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

0 votes

174 views

1 answer

python - Java: is there a way to run a system command and print the output during execution?

I have a python script and it takes a long time to finish. I would like to run it from Java, but also output ... { System.out.println(s); } } See Question&Answers more detail:os...

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

0 votes

166 views

1 answer

python 2.7 - tkinter progressbar - linked to function?

I'm having some trouble understanding the Progressbar widget in tkinter (python 2.7) I went here and here but I ... to be the correct number? See Question&Answers more detail:os...

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

0 votes

135 views

1 answer

python - Recursive type annotations

I'm trying to introduce static type annotations to my codebase where applicable. One case is when reading a ... in Python3's type structure? See Question&Answers more detail:os...

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

Categories

Just Browsing Browsing

Most popular tags