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PYTHON QUESTIONS

Testing logging output with pytest
Testing logging output with pytest
may help you . I don't know why this didn't work when I tried it before, but this solution works for me now:In test_module.py:
TAG : python
Date : November 26 2020, 01:01 AM , By : Jack.Lin
How do I change my default working directory for Python (Anaconda) on VSCode?
How do I change my default working directory for Python (Anaconda) on VSCode?
hope this fix your issue We have to distinguish the two notions: the "working directory" and the "python environment". When you go into VS code from Anaconda, then you are in an Anaconda virtual python environment and it's default directory.You can t
TAG : python
Date : November 26 2020, 01:01 AM , By : liuhuan
.lower() for x in list, not working, but works in another scenario
.lower() for x in list, not working, but works in another scenario
hop of those help? Because, you have non-strings in your list. Only strings have .lower() function. So before you do .lower(), check if it's a string:
TAG : python
Date : November 26 2020, 01:01 AM , By : Van Sinh
Program gives error "List indices must not be string"
Program gives error "List indices must not be string"
Does that help The code generates the error 'List indices must be str" for the line , Your request function returns a list:
TAG : python
Date : November 26 2020, 01:01 AM , By : Ioana Danila
pyqt: Memory Usage
pyqt: Memory Usage
I think the issue was by ths following , I have a program and in it, it creates tabs, and every time I create one the memory usage goes up, but when I close a tab out the memory doesn't go down. I am just wondering, is this normal, and is there somet
TAG : python
Date : November 26 2020, 01:01 AM , By : Balint Kozma
Confused about classes in Learn Python the Hard Way ex43?
Confused about classes in Learn Python the Hard Way ex43?
With these it helps The Engine instance's scene_map is an instance of the Map class, just as the global a_map is. In fact, a_game.scene_map is the same instance as a_map.So, whatever you could do with a_map at the top level, the Engine.play code can
TAG : python
Date : November 26 2020, 01:01 AM , By : James
Extracting unrecognized information from many CSV files
Extracting unrecognized information from many CSV files
like below fixes the issue Your data format was a little hard to make sense of (is the actual data tab-separated?) so I've turned it into a somewhat simpler example:
TAG : python
Date : November 26 2020, 01:01 AM , By : Unji 1000
How do I connect to Postgresql server from Python?
How do I connect to Postgresql server from Python?
this will help Here is a link to a SQL Alchemy post which can helpConnecting postgresql with sqlalchemy
TAG : python
Date : November 26 2020, 01:01 AM , By : Koko Jamaila
Append rows to a pandas DataFrame without making a new copy
Append rows to a pandas DataFrame without making a new copy
hop of those help? See How to add an extra row to a pandas dataframeUpcoming pandas 0.13 version will allow to add rows through loc on non existing index data.
TAG : python
Date : November 26 2020, 01:01 AM , By : JayMaster
Scrapy: Importing a package from the project that's not in the same directory
Scrapy: Importing a package from the project that's not in the same directory
it fixes the issue I know its a little bit messy solution but only one I could find when I had same problem as you. Before including files from your project you need to manually append the system path to your top most package level, i.e:
TAG : python
Date : November 26 2020, 01:01 AM , By : Joe Jackson
launching Excel application using Python to view the CSV file , but CSV file is opening in read mode and cant view the d
launching Excel application using Python to view the CSV file , but CSV file is opening in read mode and cant view the d
will be helpful for those in need , You need to close the csv file before you open it with Excel:
TAG : python
Date : November 26 2020, 01:01 AM , By : Corey
Making a list in user-defined functions
Making a list in user-defined functions
I hope this helps . Since the poster asked about the error specifically:I believe that in the line list1 = [0..a];
TAG : python
Date : November 26 2020, 01:01 AM , By : roman
Pyserial microcontroller to host communication
Pyserial microcontroller to host communication
I think the issue was by ths following , I have not used beaglebone. I have worked with arduino's serial I/O. But this post says you have multiple serial I/O ports on BBB. Find appropriate connectors/convertors for serial to USB.Then use the pyserial
TAG : python
Date : November 26 2020, 01:01 AM , By : steven gonsalvez
Plotting a line in between subplots
Plotting a line in between subplots
will be helpful for those in need First off, a quick way to do this is jut to use axvspan with y-coordinates greater than 1 and clip_on=False. It draws a rectangle rather than a line, though.As a simple example:
TAG : python
Date : November 26 2020, 01:01 AM , By : Elsa
function not returning value. Error "NameError: name 'urlss' is not defined"
function not returning value. Error "NameError: name 'urlss' is not defined"
wish help you to fix your issue urlss is a variable local to the scope of testfunc(); it cannot be accessed elsewhere. You might mean
TAG : python
Date : November 26 2020, 01:01 AM , By : Sebastian Mynott
How to perform cartesian product with Tensorflow?
How to perform cartesian product with Tensorflow?
hop of those help? I'm trying to cross stack two tensors, for example , I think this does what you need:
TAG : python
Date : November 25 2020, 07:27 PM , By : Alan D. Lum
Multiple independent random number streams from single seed
Multiple independent random number streams from single seed
should help you out Approach 3 can work, as the seed for any PRNG can be as long as that PRNG's state (for example, Mersenne Twister has a state length of 19968 bits, or 624 * 32 bits, so can accept a seed of up to that many bits — it's not limited t
TAG : python
Date : November 25 2020, 07:27 PM , By : talbyte
I Need a simple and short python3 code that count secounds in a background process
I Need a simple and short python3 code that count secounds in a background process
With these it helps I'm trying to make a text based flight simulator in python, but I can't really find out how I can count seconds in python. , using the time module you can do:start_time = time.time()
TAG : python
Date : November 25 2020, 07:27 PM , By : Alaric de Pradier d'
No module named constants
No module named constants
hop of those help? the problem is in the resources.py file for tastypie. It has the following line:
TAG : python
Date : November 25 2020, 07:27 PM , By : Kim Jihyeong
from django 1.4 to django 1.5- argument 'verify_exists' what s replacement?
from django 1.4 to django 1.5- argument 'verify_exists' what s replacement?
around this issue If you really need to verify the URL exists, you should do so in your form or model validation methods.
TAG : python
Date : November 25 2020, 07:27 PM , By : doncashbola
Slash replacement inside a raw string
Slash replacement inside a raw string
I think the issue was by ths following , Use the re.escape() function to escape regular expression meta characters for you.What you are seeing is otherwise perfectly normal Python behaviour; you are looking at a python literal representation; the out
TAG : python
Date : November 25 2020, 07:27 PM , By : anamika vyas
Reordering columns/rows of a pivot_table?
Reordering columns/rows of a pivot_table?
I wish did fix the issue. Assign dummy values to these variables and then sort the frame on the axes with those values. It's definitely a hack.
TAG : python
Date : November 25 2020, 07:27 PM , By : Per Ljusback
MySQLdb.cursors.Cursor.execute does not work
MySQLdb.cursors.Cursor.execute does not work
help you fix your problem Use conn.commit() after execution, to commit/finish insertion and deletion based changes.
TAG : python
Date : November 25 2020, 07:27 PM , By : Paich
Python module being reimported when imported at different places
Python module being reimported when imported at different places
around this issue Python modules are singletons within one run of the interpreter.Running c.py in a separate process will not alter the value of start in another Python interpreter.
TAG : python
Date : November 25 2020, 07:27 PM , By : besnaci nour elhouda
Is the Session object from Python's Requests library thread safe?
Is the Session object from Python's Requests library thread safe?
I wish did fix the issue. After reviewing the source of requests.session, I'm going to say the session object might be thread-safe, depending on the implementation of CookieJar being used.Session.prepare_request reads from self.cookies, and Session.s
TAG : python
Date : November 25 2020, 07:27 PM , By : Rafael
Python Regex: Finding First and Last Names
Python Regex: Finding First and Last Names
help you fix your problem I have a bunch of names in a string, and each first + last name is located within '>' and '>'s. So, the string could be, for example 'uselessdataetcblahblahblahblah' and I'd want it to return 'Michael Bloomberg', 'William Ha
TAG : python
Date : November 25 2020, 07:27 PM , By : Александр Иванов
Order by selection in List view of OpenERP 7.0
Order by selection in List view of OpenERP 7.0
hope this fix your issue Try creating a functional field with store attribute,which loads the function when state changes. for example
TAG : python
Date : November 25 2020, 07:27 PM , By : Mohcene Belhimeur
Reading input values in ipython notebook
Reading input values in ipython notebook
this one helps. Use raw_input. (and some more chars so the SO allow me to post the answer)
TAG : python
Date : November 25 2020, 07:27 PM , By : Ian McAndrew
List of dictionaries - how to read a specific value in a dictionary
List of dictionaries - how to read a specific value in a dictionary
I wish this helpful for you I have a list , Better use a dict here to get fast lookups for any 'name':
TAG : python
Date : November 25 2020, 07:27 PM , By : ScarteL
writing os.system output to file
writing os.system output to file
To fix this issue os.system is frowned upon. The subprocess module is cleaner, safer and as powerful as os.system().
TAG : python
Date : November 25 2020, 07:27 PM , By : Baskar Vijay
Create dictionary from points list and multiple attribute lists
Create dictionary from points list and multiple attribute lists
may help you . If the iterables are all the same length, you can use zip() with a dict comprehension:
TAG : python
Date : November 25 2020, 07:22 PM , By : Steven
How to write a table line by line with for loop
How to write a table line by line with for loop
I hope this helps . You want to use writer.writerows(table_t) instead.writerows() method takes the iteration and creates lines per item in the list.
TAG : python
Date : November 25 2020, 07:22 PM , By : abc
Map projection and forced interpolation
Map projection and forced interpolation
wish helps you First off, I'd encourage you to start using pcolormesh, rather than imshow. Pcolormesh should be your go-to visualisation tool when trying to plot gridded data in boxes (as contourf is when drawing gridded data as iso-valued areas).To
TAG : python
Date : November 25 2020, 07:22 PM , By : alexdb88
Django FBV's "render_to_response" equivalent in Class-Based-View?
Django FBV's "render_to_response" equivalent in Class-Based-View?
should help you out I am now in the process of converting all my Django Function-based-views in to Class-based-views...
TAG : python
Date : November 25 2020, 07:22 PM , By : Aleksandr Permyakov
Paramiko raises "SFTPError: Garbage packet received"
Paramiko raises "SFTPError: Garbage packet received"
it fixes the issue I had a similar problem, and found that it was due to output from a program 'gvm'. I fixed it by changing my .bashrc file:
TAG : python
Date : November 25 2020, 07:22 PM , By : Владислав Божевский
python pandas operations on columns
python pandas operations on columns
To fix this issue You can just use a boolean mask with either the .loc or .ix attributes of the DataFrame.
TAG : python
Date : November 25 2020, 07:22 PM , By : In-duck Park
python list appending is not working
python list appending is not working
will be helpful for those in need list.append() does not return anything. Because it does not return anything, it default to None (that is why when you try print the values, you get None). It simply appends the item to the given list in place. Observ
TAG : python
Date : November 25 2020, 07:22 PM , By : Craig Broadhead
Speeding up matplotlib scatter plots
Speeding up matplotlib scatter plots
wish helps you I've been through this a few times trying to speed up scatter plots with large numbers of points, variously trying: Different marker types Limiting colours Cutting down the dataset Using a heatmap / grid instead of a scatter plot
TAG : python
Date : November 25 2020, 07:22 PM , By : O21977
For each element of the list find closest date from a different list
For each element of the list find closest date from a different list
should help you out You could use a list comprehension in combination with min method by passing a lambda expression.
TAG : python
Date : November 25 2020, 07:06 PM , By : d9esco
How to prepend new rows at the beginning of an existing csv file?
How to prepend new rows at the beginning of an existing csv file?
hope this fix your issue Prepending A in B is same as appending B to A. The below code should work for the above case.
TAG : python
Date : November 25 2020, 07:06 PM , By : Christopher Luong
how to make database robust to process kills with sqlite postgress and sqlalchemy?
how to make database robust to process kills with sqlite postgress and sqlalchemy?
this one helps. Well, you use a database.Databases implement ACID properties (see here). To the extent possible, these guarantee the integrity of the data, even when transactions are not complete.
TAG : python
Date : November 25 2020, 07:06 PM , By : Waff Jason
finding a set of ranges that a number fall in
finding a set of ranges that a number fall in
I wish did fix the issue. It seems a range coverage problem. Since you have a large amount queries to process, you need to give the result as quickly as possible. There is an algorithm relating to this problem, you can take a look at the Segment Tree
TAG : python
Date : November 25 2020, 07:06 PM , By : Thomas Briner
New line in python print() function
New line in python print() function
hop of those help? First of all print isn't a function in Python 2, it is a statement.To suppress the automatic newline add a trailing ,(comma). Now a space will be used instead of a newline.
TAG : python
Date : November 25 2020, 07:06 PM , By : Alexander Lukashevic
How to clear os.environ value for only one Variable in Python
How to clear os.environ value for only one Variable in Python
hop of those help? I'm setting os.environ['PYTHONHOME']="/home/user/OpenPrint/py2.6" in my python script , Use
TAG : python
Date : November 25 2020, 07:06 PM , By : Nupur Deshmukh
Why does python append a modulo(%) operator to the end of a newly opened file?
Why does python append a modulo(%) operator to the end of a newly opened file?
This might help you This is the% of your shell prompt, adding a new line puts it on the next line. It looks "weird" like that because its on the same line with your shell prompt.Some shells like sh and csh do not add a new line before printing the ne
TAG : python
Date : November 25 2020, 07:06 PM , By : firoz shah
recursive function or non-recursive that doesnt use 2 ** approach
recursive function or non-recursive that doesnt use 2 ** approach
wish of those help Hi there im working on a question and am not sure if I have done it correctly as I didn't quite follow the hint as I think its wrong and uses + instead of x. This is the question: , Taking your question literally:
TAG : python
Date : November 25 2020, 07:06 PM , By : Gabriel Darwin Lopez
Extract floats from a String using regular expression
Extract floats from a String using regular expression
wish of those help I am a real beginner in python, but I heard it should be easy in string manipulation. Can you tell me how to do that: , This one will work in case your xpos or ypos are negative:
TAG : python
Date : November 25 2020, 07:06 PM , By : Thomas
How to solve: ImportError: No module named django.core.wsgi in Apache2 log?
How to solve: ImportError: No module named django.core.wsgi in Apache2 log?
Hope this helps This is usually because your mod_wsgi installation is compiled against and using a different Python installation/version than what you want to use and which you installed Django into.Go through:
TAG : python
Date : November 25 2020, 07:06 PM , By : 2bndone
What's the most concise way to include multiple statements in a Python switch case?
What's the most concise way to include multiple statements in a Python switch case?
I wish this helpful for you As a fast and easy solution I would simply use if, elif, else to simulate a switch-statement.
TAG : python
Date : November 25 2020, 07:06 PM , By : Joseph Thompson
python xml pretty print not working
python xml pretty print not working
I hope this helps . Taken from http://ruslanspivak.com/2014/05/12/how-to-pretty-print-xml-with-lxml/
TAG : python
Date : November 25 2020, 07:06 PM , By : Мифотворец Вольный
Can we use NumPy in writing a website?
Can we use NumPy in writing a website?
With these it helps Yes of course you can. If you wanted to use straight Python to serve up your HTML pages etc you should look at something like Django (a fully featured Python web framework) and Flask (a much lighter framework with less implemented
TAG : python
Date : November 25 2020, 07:06 PM , By : wael boumaiza
Called bashscript doesn't start up GNU screen session
Called bashscript doesn't start up GNU screen session
may help you . I'm sure by now you've solved this problem, but looking through your question I'd bet the answer is remarkably simple -- mcpc-plus-legacy-1.4.7-R1.1.jar isn't found by java, which fails, and subsequently screen terminates.In launch.sh,
TAG : python
Date : November 25 2020, 07:06 PM , By : Bharathi Sekar
Reading fortran direct access data and writing formatted data - faster with python than with fortran?
Reading fortran direct access data and writing formatted data - faster with python than with fortran?
it fixes the issue DISCLAIMER: I don't know, if this solves the problem, but I know, that I can get time differences by a factor of up to 20. I also did only test the output of data and didn't read it.
TAG : python
Date : November 25 2020, 07:06 PM , By : Kim
Language supporting nested definition of functions
Language supporting nested definition of functions
I wish this helpful for you The Wikipedia article has a nice summary:
TAG : python
Date : November 25 2020, 07:06 PM , By : Ramiz Raja
Find elements which exists in the most of the lists
Find elements which exists in the most of the lists
To fix the issue you can do Input: , How about:
TAG : python
Date : November 25 2020, 07:06 PM , By : Zinc
Templating library in node.js similar to Jinja2 in Python?
Templating library in node.js similar to Jinja2 in Python?
Hope this helps http://nunjucks.jlongster.com/Nunjucks is basically a JS port of Jinja2
TAG : python
Date : November 25 2020, 07:06 PM , By : ali ansari
Python Syntax Error, 'break' is outside the loop
Python Syntax Error, 'break' is outside the loop
To fix the issue you can do break cannot be used outside of loops. If you are in a function, use return instead, or sys.exit() if not.
TAG : python
Date : November 25 2020, 07:06 PM , By : Andreas Jensen
Replacing spaces with hyphens
Replacing spaces with hyphens
will help you Another option is replace
TAG : python
Date : November 25 2020, 07:06 PM , By : parsa rezazade
How to open a csv file in Microsoft Excel in Python?
How to open a csv file in Microsoft Excel in Python?
seems to work fine Usually on Windows the .csv filetype is configured to be opened by Excel. In this case you can just do:
TAG : python
Date : November 25 2020, 07:06 PM , By : Jamile Carvalho
ModuleNotFoundError: No module named 'users'
ModuleNotFoundError: No module named 'users'
it should still fix some issue I am trying to import a table from my "users" app but it keeps failing. Prior to this moment I have imported tables from the app into different files in another app without errors. , Import using apps module.
TAG : python
Date : November 25 2020, 01:01 AM , By : Jonathan MilTech Ben

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