Recent questions tagged Python

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python - Docker "ERROR: could not find an available, non-overlapping IPv4 address pool among the defaults to assign to the network"

I have a directory apkmirror-scraper-compose with the following structure: . ├── docker-compose.yml ├── privoxy │? ... is causing this error? See Question&Answers more detail:os...

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

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195 views

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python - How do operator.itemgetter() and sort() work?

I have the following code: # initialize a = [] # create the table (name, age, job) a.append(["Nick", 30 ... How could I do it without operator? 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 sort my paws?

In my previous question I got an excellent answer that helped me detect where a paw hit a pressure plate, ... the updates regarding the project! See Question&Answers more detail:os...

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

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359 views

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python - A column-vector y was passed when a 1d array was expected

I need to fit RandomForestRegressor from sklearn.ensemble. forest = ensemble.RandomForestRegressor(**RF_tuned_parameters) model ... 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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python - anaconda update all possible packages?

I tried the conda search --outdated, there are lots of outdated packages, for example the scipy is 0.17.1 but the ... all of them in one go? 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 - Resize fields in Django Admin

Django tends to fill up horizontal space when adding or editing entries on the admin, but, in some cases, is ... of a TextField edit box? 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 - Fastest way to get the first object from a queryset in django?

Often I find myself wanting to get the first object from a queryset in Django, or return None if ... churning memory with exception objects? See Question&Answers more detail:os...

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

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216 views

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python - Tensorflow Strides Argument

I am trying to understand the strides argument in tf.nn.avg_pool, tf.nn.max_pool, tf.nn.conv2d. The ... too well to this scenario. 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 - Sound alarm when code finishes

I am in a situation where my code takes extremely long to run and I don't want to be staring at it all the time ... If so, how could I do it? See Question&Answers more detail:os...

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

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350 views

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python - Difference between BeautifulSoup and Scrapy crawler?

I want to make a website that shows the comparison between amazon and e-bay product price. Which of these will ... so much with Scrapy crawler. See Question&Answers more detail:os...

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

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254 views

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python - Anaconda export Environment file

How can I make anaconda environment file which could be use on other computers? I exported my anaconda python ... different on other's pcs. See Question&Answers more detail:os...

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

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499 views

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python - Argparse: Required arguments listed under "optional arguments"?

I use the following simple code to parse some arguments; note that one of them is required. Unfortunately, ... -output OUTPUT Output file name See Question&Answers more detail:os...

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

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200 views

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python - What are Flask Blueprints, exactly?

I have read the official Flask documentation on Blueprints and even one or two blog posts on using them. I've ... that I elected to ask 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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315 views

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python - How can I rename a conda environment?

I have a conda environment named old_name, how can I change its name to new_name without breaking references? See Question&Answers more detail:os...

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

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235 views

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python - KeyError while accessing dictionary?

I have a dictionary named json_dict given below. I need to access the element ==> json_dict['OptionSettings'][3]['Value ... ": "param4" } ] } See Question&Answers more detail:os...

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

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388 views

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python - I am attempting to print only a selected amount of Pi, it returns with an error of "Decimal has no attribute: __getitem__

def pi(): prompt=">>> " print " WARNING: Pi may take some time to be calculated and may not always ... ' object has no attribute '__getitem__' See Question&Answers more detail:os...

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

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140 views

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python - Why can't I use yield with return?

I would like you to consider the following code: def func(alist): if len(alist) == 1: return arg * ... causing Python to throw the SyntaxError? See Question&Answers more detail:os...

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

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236 views

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python takes list and returns only if negative value also exists using set

Basically I have a big list: # where (n) is over a couple hundred thousand or is 1 million def big_list(n): ... set, and I''m really lost. See Question&Answers more detail:os...

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

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209 views

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python - how to find the coordinate of points projection on a planar surface

Hope doing well. I have two numpy array, both are some points in the space. Using python, I want to firstly ... , I truely appreciate any 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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341 views

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python - Program that checks if a number is prime number

Hello I have created this program to check if a number is a prime number. It works but for some reason says ... : print 'Prime Number!' break See Question&Answers more detail:os...

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

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156 views

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python 3.x - Selenium - Finding element based on ember

I am working with selenium in python 3.6 on the chrome browser. I have programmed it to the point where ... is wrong would be very appreciated. See Question&Answers more detail:os...

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

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618 views

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python - Can't print the text on jupyter notebook using `matplotlib.pyplot`

Here is my sample code on jupyter notebook: fig = plt.figure() ax = fig.add_subplot(111) ax.plot ... .mpl_connect('button_press_event', onclick) See Question&Answers more detail:os...

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

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265 views

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python - Why do numpy array turns int into float

I'm trying to fill an array with integers, but it seems like numpy array keep turning the integers into floats. Why is ... print(arr[3]) >>>7.0 See Question&Answers more detail:os...

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

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163 views

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python - Performing high number of 4x4 matrix inversion - PyCuda

I am looking for a solution with Python to perform matrix inversions. I think there should be a way with CUBLAS or ... 35.106 and CUDA-10.0)? See Question&Answers more detail:os...

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

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330 views

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python 3.x - How to bookmark a page in Django?

I am trying to edit an html page so a logged in user can favorite / bookmark a video.id Here is the ... , 'researcher_view_app/%s' % fav_id) See Question&Answers more detail:os...

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

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332 views

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python - Is there a better way to tidy this chuck of code? It is the Runge-Kutta 4th order with 4 ODEs

def xpos(x,y,t): #dx/dt = v_x return vx def ypos(x,y,t): #dy/dt = v_y return vy def xvel(x,y,t ... included the relevant (RK4) part of the code. See Question&Answers more detail:os...

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

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250 views

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python - How to update label on tkinter

I would like to update a label once I press one of the buttons. Here is my code - I added a label (caled ... title("My Program") root.mainloop() See Question&Answers more detail:os...

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

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600 views

1 answer

python - __init__() takes exactly 2 arguments (1 given)?

I would like to know where am lagging, Looking for your advices.. class Student_Record(object): def __init__(self, ... 2 arguments (1 given) See Question&Answers more detail:os...

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

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