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PYTHON QUESTIONS

f.readline() doesn't capture the last line of the file
f.readline() doesn't capture the last line of the file
I hope this helps . You are reading only one line, try using f.readlines() instead, which will read all the lines. If you wish to use line by line then use subscripting.
TAG : python
Date : January 07 2021, 07:50 AM , By : user3096505
split a column into N groups by value differences (timestamp)
split a column into N groups by value differences (timestamp)
this will help Sample data in .csv format , You can use pd.Grouper:
TAG : python
Date : January 07 2021, 07:50 AM , By : user3096466
Tick Locations from Data
Tick Locations from Data
To fix this issue If I understand correctly you would like to get the major and minor tick locations that would be produced on an axis with given view interval.
TAG : python
Date : January 07 2021, 07:50 AM , By : user33903
Is there a better way to extract the same data from the other data?
Is there a better way to extract the same data from the other data?
will be helpful for those in need If I understand you correctly, you want this:Given dataframes whole (having 9 ids) and ppl (having 3 ids):
TAG : python
Date : January 07 2021, 07:50 AM , By : Sachin Verma
Open a new CSV file after certain number of iterations
Open a new CSV file after certain number of iterations
I hope this helps you . I would suggest sticking within pandas until your data is ready to be exported.There are ways to optimize your code within pandas to make it super fast.
TAG : python
Date : January 07 2021, 07:50 AM , By : user3096459
Probability that a formula fails in IEEE 754
Probability that a formula fails in IEEE 754
With these it helps It's definitely possible to evaluate these things by hand, but the only methods I know are tedious and involve a lot of case-by-case enumeration.For example, for your specific example of determining the probability that (a + b) +
TAG : python
Date : January 07 2021, 07:50 AM , By : Nicolas Gonzalez
Python create and sort list based on variable value
Python create and sort list based on variable value
Any of those help I was wondering if someone can guide me in the right direction here. I'm working on something but I am stuck on creating and sorting a list based on their value. For example below , try sorted
TAG : python
Date : January 07 2021, 07:50 AM , By : user3096437
Argparse : How to organize output and how to get str input?
Argparse : How to organize output and how to get str input?
I hope this helps you . Im new to this module, I type this code(not full because it said my question contain too much code) , Simply add a metavar param in add_argparse
TAG : python
Date : January 07 2021, 07:50 AM , By : user3096435
how to get the actual docstring of an attribute
how to get the actual docstring of an attribute
wish helps you I wanted to find out what .ent_iob_ was by doing this: , I just accidentally figured this out:
TAG : python
Date : January 07 2021, 07:50 AM , By : user3096424
uWSGI app can't find mount point, but loads html
uWSGI app can't find mount point, but loads html
fixed the issue. Will look into that further uWSGI loads home.html, but doesn't start app. See error message below. , When running under uwsgi, the
TAG : python
Date : January 07 2021, 07:50 AM , By : user3096422
dataframe pivot with pandas
dataframe pivot with pandas
seems to work fine If you have pivot_table function, why the hell you provide pivot? this is just confusing ...
TAG : python
Date : January 07 2021, 07:50 AM , By : user3096421
How to detect main structure contour by detecting straight lines
How to detect main structure contour by detecting straight lines
wish of those help Here's an approach Convert image to grayscale Adaptive threshold to obtain binary image Perform morphological transformations to smooth image Create horizontal kernel and detect horizontal lines Create vertical kernel and detect ve
TAG : python
Date : January 07 2021, 07:50 AM , By : Graham1985
retrieving the next element from tf.data.Dataset in tensorflow 2.0 beta
retrieving the next element from tf.data.Dataset in tensorflow 2.0 beta
Does that help Before tensorflow 2.0-beta, to retrieve the first element from tf.data.Dataset, we may use a iterator as shown below: , You can .take(1) from the dataset:
TAG : python
Date : January 06 2021, 03:17 PM , By : Ken A Collins
File created using Python is written to wrong directory
File created using Python is written to wrong directory
With these it helps You are opening the timestr file, without appending the results path. You should do
TAG : python
Date : January 06 2021, 03:17 PM , By : user3096363
How can I convert an image from pixels to one-hot encodings?
How can I convert an image from pixels to one-hot encodings?
I wish this helpful for you Let me assume for convenience that all values in image_colors are in [0, 255]:
TAG : python
Date : January 06 2021, 03:17 PM , By : user3096356
Conda install and update do not work also solving environment get errors
Conda install and update do not work also solving environment get errors
This might help you I ran into the same problem and I couldn't find a solution, but I did find a workaround. If you create an env and activate that env and then do the install, it seems to work just fine. If you don't need a lot of libraries I would
TAG : python
Date : January 06 2021, 03:17 PM , By : user3096351
How to count items that belong to different groups in a list using python?
How to count items that belong to different groups in a list using python?
it helps some times I have a list like what you see below and want to count how many times the first element of the list is appeared in relation to the first element of the tuple. , Use collections.Counter and itertools.groupby:
TAG : python
Date : January 06 2021, 03:17 PM , By : user3096326
Passing multiple parameters to Setter method using assignment expression
Passing multiple parameters to Setter method using assignment expression
this one helps. Separating values by comma without enclosing then in square brackets - [] - in Python, actually creates a tuple, not a list.In fact, due to dynamic typing in Python, it is not considered a good practice to check exactly for a "list",
TAG : python
Date : January 06 2021, 03:17 PM , By : guestUser
What does normalize in unicodedata means?
What does normalize in unicodedata means?
Hope that helps Normalization is not about encoding and decoding, but a "normal" (expected) form to represent a character.The classic example is about a character with an accent. Often such characters have two representation, one with the base charac
TAG : python
Date : January 06 2021, 03:17 PM , By : user3096295
How should I 'save all console outputs throughout my Game.py and write them to a new text file'?
How should I 'save all console outputs throughout my Game.py and write them to a new text file'?
I wish this help you I want to write all the Game.py console outputs to a new file every time its ran. , Got it.
TAG : python
Date : January 06 2021, 03:17 PM , By : user3096293
Adding a score to a looping function
Adding a score to a looping function
Hope that helps You can use a list comprehension to map each puzzle to a sum of a generator expression that iterates over the word list and outputs 1 if the set of characters in the puzzle is a superset of the set of the characters in the word, and t
TAG : python
Date : January 06 2021, 03:17 PM , By : user3096288
left join but keeping one observation
left join but keeping one observation
With these it helps I have two tables and wanted to left merge them. On right table, I have multiple rows and therefore, the merge result is a bigger table. In SQL, I use HAVING for each group and filter using max(). I am not sure how to do it in pan
TAG : python
Date : January 06 2021, 03:17 PM , By : user3096279
Multi-argument null coalesce and built-in "or" function in Python
Multi-argument null coalesce and built-in "or" function in Python
wish helps you It's not exactly a single built-in, but what you want to achieve can be easily done with:
TAG : python
Date : January 06 2021, 03:17 PM , By : user3096271
In Python, how do I add all the elements of a list to a set?
In Python, how do I add all the elements of a list to a set?
I wish this help you You can use new_var = set(list_var) or if you want to do it iteratively you can useset_var = () for item in iterable: set_var.add(item)
TAG : python
Date : January 06 2021, 03:17 PM , By : Alex
How to fill closed contour region with white
How to fill closed contour region with white
it helps some times Here's an approach: Convert image to grayscale Find contours and fill in the contour Perform morphological transformations to remove unwanted sections
TAG : python
Date : January 06 2021, 03:17 PM , By : user3096263
Python argparse won`t take arguments while function called
Python argparse won`t take arguments while function called
Hope that helps https://docs.python.org/3/library/argparse.htmlsub-commandsNote the functions take an args parameter
TAG : python
Date : January 06 2021, 03:17 PM , By : user3096259
What does this line of code related to __str__(self) mean?
What does this line of code related to __str__(self) mean?
this will help That line of code is a way of converting obj into a string, by calling the default __str__ method of the base type object, which generates a string containing the class name and the address of the instance in memory, like for example .
TAG : python
Date : January 06 2021, 03:17 PM , By : user3096254
How to efficiently parse a word that includes the majority of unicode characters?
How to efficiently parse a word that includes the majority of unicode characters?
fixed the issue. Will look into that further I wanted to be sure that your performance testing was keeping separate the time to create the expression and the time to use it for parsing. (I also tried out two other Regex formats, described below.):
TAG : python
Date : January 06 2021, 03:17 PM , By : user3096242
How to insert variables into python when using PostgreSQL
How to insert variables into python when using PostgreSQL
it should still fix some issue Per the documentation
TAG : python
Date : January 06 2021, 03:17 PM , By : user3096228
If statement nested in For loop - Getting error = The truth value of a Series is ambiguous. Use a.empty, a.bool(), a.ite
If statement nested in For loop - Getting error = The truth value of a Series is ambiguous. Use a.empty, a.bool(), a.ite
I wish this help you Try passing the row to the Get_PHD function and calling the Detection_Location from the row:
TAG : python
Date : January 06 2021, 03:17 PM , By : user3096227
How to select rows within two dates in a pandas dataframe?
How to select rows within two dates in a pandas dataframe?
will help you Work with datetime64. We create a date, use groupby + transform to obtain the first date for each ID, then we can keep only rows within 2 years with a simple Boolean mask. I've left the extra columns in for illustration, but drop them i
TAG : python
Date : January 06 2021, 03:17 PM , By : OldguardMD
How to return total time in seconds given a column with only hour-minute-second format in pandas?
How to return total time in seconds given a column with only hour-minute-second format in pandas?
around this issue You don't have a date, so easiest to work with Timedelta, and your format matches exactly what is required. These have exactly the attribute you want: total_seconds
TAG : python
Date : January 06 2021, 03:17 PM , By : midnightrunner8
Is there a way to change a input from a user in python?
Is there a way to change a input from a user in python?
Hope that helps I solved the problem in a way so the input of the user gets cleard from the terminal before it shows up on the screen and I still have the valueOLD CODE
TAG : python
Date : January 06 2021, 03:17 PM , By : Vincent Fumo
Show the data type of elements inside the array and convert it to Integer. Python and Numpy
Show the data type of elements inside the array and convert it to Integer. Python and Numpy
like below fixes the issue so i'm struggling with one of the questions in my assignment. We are given txt file containing a few hundred elements and we need to show the data type of elements inside the array bike (the text file) and convert it to Int
TAG : python
Date : January 06 2021, 03:17 PM , By : user3096183
how to create a list of values from one key-value pair based on the value of another k-v pair from a list of dictionarie
how to create a list of values from one key-value pair based on the value of another k-v pair from a list of dictionarie
I wish this helpful for you I am trying to iterate through a list of dictionaries with the goal of producing a list of lists of values from one k,v pair based on the value of the other k,v pair. Each dictionary contains two k,v pairs, the respective
TAG : python
Date : January 06 2021, 03:17 PM , By : user3096178
How to do Pandas data frame comparison on one column, row by row?
How to do Pandas data frame comparison on one column, row by row?
help you fix your problem First we get the column names in a generalized way without hardcoding it with iloc and tolist. Then we merge on these columns. Finally we assign your Result column and drop the G columns:
TAG : python
Date : January 06 2021, 03:27 AM , By : user3096148
having problems with python error handlers
having problems with python error handlers
will be helpful for those in need You can back up and overwrite it, but you can't "fix" it. That character comes from the keyboard echo of the symbiont terminal: your stdin processor is set to echo (print to screen) whatever is typed. That ^C couplet
TAG : python
Date : January 06 2021, 03:27 AM , By : Giovanni Ciriello
How can I do the centercrop of 3D volumes inside the network model with pytorch
How can I do the centercrop of 3D volumes inside the network model with pytorch
Hope that helps In PyTorch you don't necessarily need to write layers for everything, often you can just do what you want directly during the forward pass. The basic rules you need to keep in mind when operating on torch tensors for which you will ne
TAG : python
Date : January 06 2021, 03:27 AM , By : user3096140
Convert Pandas dataframe to OrderedDict format
Convert Pandas dataframe to OrderedDict format
this one helps. I have a dataframe , You can try that:
TAG : python
Date : January 06 2021, 03:27 AM , By : user3096133
Create multiple pandas dataframes based on column value
Create multiple pandas dataframes based on column value
hop of those help? I have a df I'd like to split into 5 (named df1 - df5) based on the value of one column (origin). I've tried groupby, and a few other things (like this and this) with no success. , This should do
TAG : python
Date : January 06 2021, 03:27 AM , By : user3096131
pandas series,isnull() is not working inside list comprehension
pandas series,isnull() is not working inside list comprehension
this one helps. Unfortunately I don't have more than 50 rep points to add a comment so need to reply here.You just have a typo in a code train[col].isnulll().sum()/len(train) (triple lll)
TAG : python
Date : January 06 2021, 03:27 AM , By : Marcel
Submitting pyspark job through livy using user defined parameters
Submitting pyspark job through livy using user defined parameters
fixed the issue. Will look into that further Call the REST API to /batches end point, with the bellow sample JSON,{"file":"Path to File containing the application to execute","args":["--job","value1"],"pyFiles":[List of Python files to be used in thi
TAG : python
Date : January 06 2021, 03:27 AM , By : lindenmj
Keras Visualization Toolkit throwing `<layer>input:0 is both fed and fetched.` for simple `Sequential` model
Keras Visualization Toolkit throwing `<layer>input:0 is both fed and fetched.` for simple `Sequential` model
I wish this help you Well the problem is that keras-vis latest release is from 2017 (the one available at PyPI), so if you install it using pip, you won't get the fixed version that is available on github. The solution is quite simple, remove the cur
TAG : python
Date : January 06 2021, 03:27 AM , By : user3096078
sess.run() multiple ops vs multiple sess.run()
sess.run() multiple ops vs multiple sess.run()
around this issue Each time you run the init, all the weights are initialised randomly, So no comparison can be made this way. If you really want to compare, I would run the following code:
TAG : python
Date : January 06 2021, 03:27 AM , By : Adam Cofer
Removing blank item from List not working when referencing it in a query
Removing blank item from List not working when referencing it in a query
wish helps you You can get rid of trailing tabs by replacing data= line.split(" ") by:
TAG : python
Date : January 06 2021, 03:27 AM , By : user3096029
How to sort a list by length and then in reverse alphabetical order
How to sort a list by length and then in reverse alphabetical order
help you fix your problem For example: , Just use the reversed function:
TAG : python
Date : January 06 2021, 03:27 AM , By : user159940
How to perform prediction using predict_generator on unlabeled test data in Keras?
How to perform prediction using predict_generator on unlabeled test data in Keras?
around this issue If you are interested to only perform prediction, you can load the images by a simple hack like this:
TAG : python
Date : January 06 2021, 03:27 AM , By : user3096007
How to fix "Could not find any libcudnn.7*.dylib in any subdirectory:" with respect to Tensorflow 1.14 Configu
How to fix "Could not find any libcudnn.7*.dylib in any subdirectory:" with respect to Tensorflow 1.14 Configu
Does that help Here's a problem: you copied your libraries into include instead of into lib
TAG : python
Date : January 06 2021, 03:27 AM , By : Radek Kukuczka
Python running significantly faster than C++? Something seems wrong here
Python running significantly faster than C++? Something seems wrong here
it should still fix some issue You are not using the microseconds component of timedelta correctly. It only gives you the sub-second microseconds portion of the time measurement, not the total elapsed microseconds. This code highlights your mistake
TAG : python
Date : January 06 2021, 03:27 AM , By : user3095990
Double iteration doesn't generate error for dict?
Double iteration doesn't generate error for dict?
it should still fix some issue Python does process the full, 9-element expression you generated with the nested comprehension. Python processes the expression according to the rules of the data type. Each of these elements is an assignment to the ind
TAG : python
Date : January 06 2021, 03:27 AM , By : SamInSpecs
calculating streaks using numpy
calculating streaks using numpy
Any of those help for a full version with numpy, you don't have to use a kind of a groupby, you can do:
TAG : python
Date : January 06 2021, 03:27 AM , By : user3095985
How can I send string to input <type = "email"> with Selenium
How can I send string to input <type = "email"> with Selenium
To fix this issue driver.find_elements_by_xpath() returns a list of elements.If you only expect to find one element, use find_element_by_xpath() instead.
TAG : python
Date : January 06 2021, 03:27 AM , By : user3095979
Pandas Drop Specified Duplicates After Concat
Pandas Drop Specified Duplicates After Concat
seems to work fine I'm trying to write a python script that concats two csv files and then drops the duplicate rows. Here is an example of the csv's I'm concating: , Use, duplicated and boolean logic:
TAG : python
Date : January 06 2021, 03:27 AM , By : iguitart
Discord.py The list of people and the number of deleted messages in purge command
Discord.py The list of people and the number of deleted messages in purge command
will be helpful for those in need Do you know how to do something like that? I mean the list of people and the number of deleted messages: , You could iterate instead of using purge e.g:
TAG : python
Date : January 06 2021, 03:27 AM , By : lusor
How to use dictionary syntax to call function?
How to use dictionary syntax to call function?
it helps some times I want to be able to call something like this: , You could create it like this:
TAG : python
Date : January 06 2021, 03:27 AM , By : user3095930
Step function with linear inteval in numpy
Step function with linear inteval in numpy
I hope this helps you . Since the other answer does not implement the function in the question, here is a correct soluton:
TAG : python
Date : January 06 2021, 03:27 AM , By : user3095922
add text to XML text TypeError: unsupported operand type(s) for +=: 'NoneType' and 'str'
add text to XML text TypeError: unsupported operand type(s) for +=: 'NoneType' and 'str'
Hope that helps It's because path.items() in your example returns empty list so path.items() is None == False function goes to second condition and since path.text is None you get the exception.Just change path.items() to path.text
TAG : python
Date : January 05 2021, 11:29 AM , By : user3095905
The numpy function np.linspace is throwing a value error
The numpy function np.linspace is throwing a value error
I hope this helps you . Seems like your anaconda environment is not on 1.16.4 and is on 1.15.x.The line if step == 0 was changed in version 1.16.0 to if _nx.any(step == 0): so that start and stop can be arrays.
TAG : python
Date : January 05 2021, 11:29 AM , By : user3095890
Ensure a variable is only at one state at any given time
Ensure a variable is only at one state at any given time
To fix this issue This is a really broad question and there's not any correct answer to it..But to try to help, why not use a class?
TAG : python
Date : January 05 2021, 11:29 AM , By : user3095884
Merge Multiple Columns As New Rows in Pandas Dataframe
Merge Multiple Columns As New Rows in Pandas Dataframe
I hope this helps you . I believe what you are looking for is pd.melt:
TAG : python
Date : January 05 2021, 11:29 AM , By : user3095883

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