Recent questions tagged Python

0 votes

301 views

1 answer

python - What does this socket.gaierror mean?

I'm new to python and going through a book, Core Python Applications 3rd Edition. This is the the first example ... known What does this mean? See Question&Answers more detail:os...

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

0 votes

833 views

1 answer

python - TypeError: 'int' object does not support indexing

I have this query: some_id = 1 cursor.execute(' SELECT "Indicator"."indicator" FROM "Indicator" WHERE "Indicator". ... to put in the variable). See Question&Answers more detail:os...

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

0 votes

367 views

1 answer

python - constructing absolute path with os.path.join()

I'd like to construct an absolute path in python, while at the same time staying fairly oblivious of ... slash indicates an absolute path) See Question&Answers more detail:os...

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

0 votes

698 views

1 answer

python - Calculating distance between two points using latitude longitude and altitude (elevation)

I'm trying to calculate distance between two points, using latitude longitude and altitude (elevation). I was using ... in Python, with PostGis. See Question&Answers more detail:os...

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

0 votes

148 views

1 answer

python - Find the first non-repeated character in a string

I read of a job interview question to write some code for the following: Write an efficient function to ... more concise and efficient answer? See Question&Answers more detail:os...

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

0 votes

273 views

1 answer

python - Adding config modes to Plotly.Py offline - modebar

Plotly.js includes all the parameters needed to configure the ModeBar, which allows one to take away options from ... they would like to use. See Question&Answers more detail:os...

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

0 votes

266 views

1 answer

python - Matplotlib 3D plot - 2D format for input data?

I am plotting a function of two parameters with matplotlib. I copied an example in matplotlib tutorial and transformed ... () Thanks for advice! See Question&Answers more detail:os...

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

0 votes

219 views

1 answer

python - Merging tuples if they have one common element

Consider the following list: tuple_list = [('c', 'e'), ('c', 'd'), ('a', 'b'), ('d', 'e')] How can I achieve this ... ), ('a', 'b'), ('d', 'e')] 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 - Reading file string into an array (In a pythonic way)

I'm reading lines from a file to then work with them. Each line is composed solely by float numbers. I have ... end an array full of floats. See Question&Answers more detail:os...

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

0 votes

338 views

1 answer

python - UnicodeEncodeError: 'ascii' codec can't encode character in print function

My company is using a database and I am writing a script that interacts with that database. There is already an ... I am getting the error. 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 - Matplotlib automate placement of watermark

I'm trying to write a function to automate the placement of watermark in the lower right of my figures. ... easy workaround. Thanks in advance. See Question&Answers more detail:os...

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

0 votes

223 views

1 answer

python - Capture YouTube video for further processing without downloading the video

Given its link, I'd like to capture an online video (say from YouTube) for further processing without ... achieve my goal using python? 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 - What does Selenium .set_script_timeout(n) do and how is it different from driver.set_page_load_timeout(n)?

In context of python selenium, I don't quite understand the exact difference of driver.set_page_load_timeout(n) VS. ... not the other scenario? See Question&Answers more detail:os...

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

0 votes

965 views

1 answer

python - Subplot of Windrose in matplotlib

I am trying to make a figure with 4 subplots of windrose, But I realised that the windrose only have axis ... I draw a subplots with windrose? 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 - Numpy interconversion between multidimensional and linear indexing

I'm looking for a fast way to interconvert between linear and multidimensional indexing in Numpy. To make my ... would appreciate your insight. See Question&Answers more detail:os...

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

0 votes

301 views

1 answer

python - Inserting a list holding multiple values in MySQL using pymysql

I have a database holding names, and I have to create a new list which will hold such values as ID, name ... any help. Thanks in advance! See Question&Answers more detail:os...

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

0 votes

406 views

1 answer

python - Is it possible to embed C++ widget to PyQt application?

I have a PyQt5 application and most widgets written in Python. I want to write some widget in C++ Qt to ... PyQt QMainWindow. Is it possible? See Question&Answers more detail:os...

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

0 votes

156 views

1 answer

python - Unexpected value from sys.getrefcount

Under Python 2.7.5 >>> import sys >>> sys.getrefcount(10000) 3 Where are the three refcount? PS: when ... count itself can work without gc. See Question&Answers more detail:os...

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

0 votes

360 views

1 answer

python - Drawing a colorbar aside a line plot, using Matplotlib

I'm trying to add a color bar in a graph, but I don't understand how it works. The problem is that I make ... =colors,linewidth=2) i=i+1 return See Question&Answers more detail:os...

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

0 votes

214 views

1 answer

python - How to add custom annotations, from the dataframe, to a stacked bar chart?

I'm plotting a cross-tabulation of various offices within certain categories. I'd like to put together a ... connection to the office labels. See Question&Answers more detail:os...

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

0 votes

404 views

1 answer

python - Why use pandas qcut return ValueError: Bin edges must be unique?

I have dataset : recency;frequency;monetary 21;156;41879955 13;88;16850284 8;74;79150488 2;74;26733719 9;55;16162365 ... ]) How to solve this ? See Question&Answers more detail:os...

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

0 votes

1.0k views

1 answer

python - Plotly: How to filter a pandas dataframe using a dropdown menu?

I have a dataframe and using plotly I want to visualise the data. I have the following code fig = px.line(df, ... and it only shows the 1 graph. See Question&Answers more detail:os...

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

0 votes

540 views

1 answer

python - How I can calculate standard deviation for rows of a dataframe?

df: name group S1 S2 S3 A mn 1 2 8 B mn 4 3 5 C kl 5 8 2 D kl 6 5 5 E fh 7 1 3 output: std (S1, ... .std(df['A']) I want to do the same for rows See Question&Answers more detail:os...

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

0 votes

276 views

1 answer

python - Logical Or/bitwise OR in pandas Data Frame

I am trying to use a Boolean mask to get a match from 2 different dataframes. U Using the logical OR operator: ... doesn't the logical OR work? See Question&Answers more detail:os...

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

0 votes

147 views

1 answer

python - How to replace the input of a saved graph, e.g. a placeholder by a Dataset iterator?

I have a saved Tensorflow graph that consumes input through a placeholder with a feed_dict param. sess.run( ... would be highly appreciated. See Question&Answers more detail:os...

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

0 votes

288 views

1 answer

python imaging library - How to Access and Change Color Channels using PIL?

I'm trying to access the RGB color channels of an image using PIL, and then change the color intensity of the ... I want to change it too. See Question&Answers more detail:os...

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

0 votes

301 views

1 answer

python - How to get all text between just two specified tags using BeautifulSoup?

html = """ ... <tt class="descname">all</tt> <big>(</big> <em>iterable</em> <big>)</big> <a class= ... , then i must get (iterable) as a string. See Question&Answers more detail:os...

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

0 votes

159 views

1 answer

python - Is it possible to search widget by name in Tkinter?

If i create a widget in Tkinter i can specify a widget name that takes part in tcl/tk "widget path" concept. ... name, "mybutton" in my example? 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