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Output a function in tkinter that prints
Question: I have created a function, which takes two arguments, prints multiple
statements out and eventually returns an answer. It works great in the python
shell.
I am using tkinter (python 3.4.1) to create a user friendly program for
consumers to use my function. I wish to h... |
Sending information gathered from questionnaire to a Python document?
Question: I'm brand new to both Python and StackOverflow, and I have a problem that has
been stumping me for the past couple of hours.
I am making a peer-evaluation script for my high-school class. When you run
the script, you input your classmate's... |
Python TKinter: Not moving to next frame and not saving variables and radio buttons not saving answers
Question: Okay, so the main issues are as follows: I am not able to move from frame
three to four all of a sudden; When I have my buttons call the commands, they
are not saving the names or checking if the answers are... |
write a Python 3 list to .csv
Question: I have a list that i need to write to a .csv Yes, i have done a LOT of looking
around (of course i found [this
link](http://stackoverflow.com/questions/9372705/how-to-write-a-list-to-a-csv-
file) which is close to the target, but misses my case) You see `writerows` is
having all ... |
IntegrityError not caught in SQLAlchemy event listener
Question: I'm building a simple database driven blog with Flask and SQLAlchemy. In the
model for the blog postings I define title and slug attributes:
class BlogPost(Model):
...
title = Column(String(80))
slug = Column(String(... |
How to unset or disable hyperlinkctrl in wxpython only on some conditions
Question: I have created hyperlinkctrl on my panel.Under some conditions it should be
hyperlink but other cases it should be just text not link.
How to do this?
self.Author = wx.HyperlinkCtrl(self, -1, "", "~")
if true:
... |
Handling argparse conflicts
Question: If I import a Python [module](https://github.com/paulcalabro/api-
kickstart/blob/master/examples/python/config.py) that is already using
**argparse** , however, I would like to use **argparse** in my script as well
...how should I go about doing this?
I'm receiving a _unrecognized... |
How to check if a date period is embraced by another date period in python?
Question: What is the most pythonic way to check if a date period is embraced by another
date period in python?
for example
start_1 = datetime.datetime(2016, 3, 16, 20, 30)
end_1 = datetime.datetime(2016, 3, 17, 20, 30)
... |
Similar function to to_scipy_sparse_matrix in Julia sparse matrices functions
Question: I would like to ask if there is equivalent function in **Julia** language and
its
[functions](http://docs.julialang.org/en/release-0.3/stdlib/arrays/?highlight=sparse#sparse-
matrices) for sparse matrices to
[to_scipy_sparse_matrix]... |
Python Regex Matching
Question: I am inputting a text file (Line)(all strings). I am trying to make card_type
to be true so it can enter the if statement, however, it never enters the IF
statement. The output that comes out from the print line is:
imm48-1gb-sfp/imm48-1gb-sfp
imm-2pac-fp3/imm-2pac-fp3... |
Compile python module imports
Question: I have a problem. I write a python script to make my work faster and now I
want to share it with my team.
I don't want them to mess with some imports that are missing in the basic
python installation. I know there is a way to compile python to exe, but I
wonder if I can compile ... |
Python inverted dictionaries
Question: I'm currently writing a function that takes a dictionary with immutable values
and returns an inverted dictionary. So far, my code is getting extremely
simple tests right, but it still has some kinks to work out
def dict_invert(d):
inv_map = {v: k for ... |
Error with executing CGI script - writable directory for matplotlib
Question: I know that the similar problem was solving in this topic:
[Setting Matplotlib MPLCONFIGDIR: consider setting MPLCONFIGDIR to a writable
directory for matplotlib configuration
data](http://stackoverflow.com/questions/9827377/setting-matplotl... |
Appending the byte representation of a float to a python bytearray
Question: I am using python with ctypes to read an array of bytes and store this in a
python bytearray. This array is then transmitted as a UDP packet.
I would like to append the time to this array of bytes, and believe the way to
do this is to do:
... |
How to more efficiently search through an acoustid database with over 30 million rows?
Question: I'm currently playing around with an open source music recognition project
called acoustid. I've imported a table with over 30 million rows(300gb of
data) but it takes A TON of time to simply SELECT these rows. Currently,
s... |
Google App Engine: ImportError: No module named appengine.ext
Question: I am trying to write a test for my GAE programme which uses the datastore.
Following [Google's
Documentation](https://cloud.google.com/appengine/docs/python/tools/localunittesting),
I see that I should be adding the path to my SDK into my PYTHONPAT... |
How do I resolve debug/release conflict after installing opencv under anaconda
Question: Tried to get started with OpenCV under Python today, although I have no
experience with the former and very little experience with the latter. Since I
am inexperienced, I followed a canned approach for the install, as detailed
belo... |
BeautifulSoup not reading entire HTML obtained by requests
Question: I am trying to scrape data from a table of sporting statistics presented as
HTML using the BeautifulSoup and requests libraries. I am running both of them
on Python 3.5. I seem to be successfully obtaining the HTML via requests
because when I display ... |
Building a StructType from a dataframe in pyspark
Question: I am new spark and python and facing this difficulty of building a schema from
a metadata file that can be applied to my data file. Scenario: Metadata File
for the Data file(csv format), contains the columns and their types: for
example:
id,int,... |
python3 interpreter gives different results than script for scipy.misc.imread
Question: I am trying to read image data into Python as a matrix.
To this extent, I am trying to use
`scipy.misc.imread('image.jpg').astype(np.float)`.
When I execute the proper sequence of steps from a `python3` interpreter,
everything wor... |
Python iteration over non-sequence in an array with one value
Question: I am writing a code to return the coordinates of a point in a list of points.
The list of points class is defined as follows:
class Streamline:
## Constructor
# @param ID Streamline ID
# @param Points list of p... |
Install BeautifulSoup on python3.5, Mac , ImportError:No module named 'bs4'
Question: I want to install BeautifulSoup, I use python3.5 on Mac
I have tried many methods:
I try to download `beautifulsoup4-4.4.1.tar.gz` from official website,and in
terminal type:
> $ cd [my path]
>
> $ sudo python3.5 ./setup.py insta... |
Adding new line to data for csv in python
Question: I'm trying to scrape data from
<http://www.hoopsstats.com/basketball/fantasy/nba/opponentstats/16/12/eff/1-1>
to create a CSV file using Python 3.5. I've figured out how to do so, but all
the data is in the same row when I open the file in excel.
im... |
EventFilter for Drop-Events within QTableView
Question: I try to create a QTableView that can handle drop events. For reasons of
application architecture, I want that to be done by an eventFilter of mine
(that handles some QAction-triggers for clipboard interaction as well). But
the drop-event does not seem to get thro... |
python, pandas, csv import and more
Question: I have seen many questions in regards to importing multiple csv files into a
pandas dataframe. My question is how can you import multiple csv files but
ignore the last csv file in your directory? I have had a hard time finding the
answer to this.
Also, lets assume that the... |
Python regular expression syntax error
Question: I am trying to write a regular expression that will match a `-` (dash),
followed by as many letters as it possibly can. What I have at the moment, is
the following: `exp = (-[a-z A-z]*)`.
I am getting a `SyntaxError: invalid syntax` error though.
Answer: try placing ... |
Python counter to text file
Question: So im trying to analyse a log file and extract information from it. One of the
things im trying to do is extract a list of IP addresses that have more than
30 failed attempts. In this a failed attempt is one that starts with the line
failed password for.
I have an idea for this th... |
Cython : How wrap C function that takes a void* pointer / how to call it from python
Question: i'am trying to wrap some functions defined in a dll using Cython , the
difficulty is that lots of this functions use pointers to void* , here is an
example of functions prototype :
---------------"header.h"----... |
Testing Equality of boto Price object
Question: I am using the python package boto to connect python to MTurk. I am needing to
award bonus payments, which are of the Price type. I want to test if one Price
object equals a certain value. Specifically, when I want to award bonus
payments, I need to check that their bonus... |
How to construct a callable from a Python code object?
Question: _Realize this is a rather obscure question, so I'll explain why I'm looking
into this._
A Python jit compiler takes a callable and returns a callable.
This is fine, however - the API I'm currently working with uses a Python code
object.
A simplistic an... |
GET request working through Python but not through Postman
Question: I am trying to use the Mailman 3 REST API, but I need to call it from Spring's
Rest Template in a java class, or for testing purpose from Postman. In Python,
I can call the API by:
>>> from httplib2 import Http
>>> headers = {
.... |
PyYAML with Python 3.x
Question: I've a problem using the _yaml_ (PyYAML 3.11) library in Python 3.x. When I
call `import yaml` I get the following error:
Python 3.4.3+ (default, Oct 14 2015, 16:03:50)
[GCC 5.2.1 20151010] on linux
Type "help", "copyright", "credits" or "license" for more inform... |
Issues with activating models in Django
Question: I'm following this tutorial
<https://docs.djangoproject.com/en/1.9/intro/tutorial02/> to learn Django.
Here is the code for my model.py file.
from __future__ import unicode_literals
from django.db import models
# Create your models here
... |
`subprocess.call` operates differently to running command directly in shell
Question: I have the following command in Python, which I wrote with the aim of copying
only `.yaml` files from a `source` directory (on the network) to a local
`target` directory:
import subprocess as sp
cmd = ['rsync',... |
How to write symbol in csv file?
Question: I am trying to write username and symbol into my csv file from python code,but
whenever my loop come to that line it skip that record and write next record
in the file.Thank you in advance. Please help me in writing symbol into csv
file
For example: I want to write(Simeon Mil... |
Unable to import nltk on mac os x
Question: I had successfully installed nltk [from this
site](http://www.nltk.org/install.html). And just to validate i am able to
import it from the terminal. But when i execute my python script from the
Spyder it gives me following error in Spyders terminal
File "/Prate... |
Displaying JSON specific JSON result in Python
Question: I'm new with Python and have the following code:
def doSentimentAnalysisAndPrint(keyval):
import urllib
data = urllib.urlencode(keyval)
u = urllib.urlopen("http://text-processing.com/api/sentiment/", data)
js... |
How to detect ASCII characters on a string in python
Question: I'm working on a tool in maya where at some point, the user can enter a
comment on the textField. This comment will later be used as part of the
filename that's gonna be saved. I work in France so the user might use some
accentuated characters as "é" or "à"... |
looping through folder of csvs python
Question: I have been looking for sometime now and I have not had any luck. Here is my
issue: I have a network drive filled with folders with sub-folders of CSVs.
Eventually, these csvs need to get imported into a database. Based on the
structure there is one row (the second line o... |
How to block size of last column in treeview gtk3
Question: Below a demo treeview. I would like to fixed the width of the last column.
After a lot of test with different command, I ask help.
<https://andrewsteele.me.uk/learngtk.org/tutorials/python_gtk3_tutorial/html/treeviewcolumn.html>
it's said: The sizing of the... |
How to build a package out of a class
Question: I have written a class called editClass which works fine. The class is
completely defined in the file editClass.py. The constructor is given by:
def __init__(self,filename):
self.File=filename
I want now to build a package that only contains t... |
Reverse Dictionary. Output keeps changing
Question: So I have to write a function that receives a dictionary as input argument and
returns a reverse of the input dictionary where the values of the original
dictionary are used as keys for the returned dictionary and the keys of the
original dictionary are used as value ... |
Python exceptions and regex
Question: I have an expression which I'm using to raise exceptions in the code, except
one case where this expression is allowed:
searchexp = re.search( r'^exp1=.*, exp2=(.*),.*', line )
I want to raise an exception whenever this condition is hit except one case
when I w... |
conditional frequency distribution nltk
Question: I'm a complete newbie and learning to use python using the natural language
toolkit. I have been trying to analyze a text in terms of most common words in
it. Specifically, I am trying to make a graph of the most frequent long words
(more than 6 letters) in it. Could an... |
Time between button press and release in python?
Question: I am trying to time from the start of a button press to the end of a button
press on GPIO (in order to differentiate between a long press and a short
press). I want to use a callback to get the button presses immediately and
without polling. Here is what I trie... |
Provide a password for the "git push" command in GitPython
Question: In Python, using [GitPython](https://github.com/gitpython-
developers/GitPython), I need to `git push` to a HTTPS remote repository on
BitBucket.
After running the `repo.git.push()` command, it will return _-as expected-_ :
> bash: /dev/tty: No such... |
Looking to find specific phrases in file using Python
Question: I am aware that there are some quite similar posts about this on the forum but
I need this for a quick scan of a text file. I have to run 500 checks through
a 1 GB file and print out lines that contain certain phrases, here is my code:
impor... |
Python path.exists and path.join
Question: Python 2.7: Struggling a little with path.exists
import os
import platform
OS = platform.system()
CPU_ARCH = platform.machine()
if os.path.exists( os.path.join("/dir/to/place/" , CPU_ARCH) ):
print "WORKED"
# Linux
LD... |
Bypass Referral Denied error in selenium using python
Question: I was making a script to download images from comic naver and I'm kind of done
with it, however I can't seem to save the images. I successfully grabbed the
images via urlib and BeasutifulSoup, now, seems like they've introduced
hotlink blocking and I can't... |
Changing all occurences of similar word in csv python
Question: I want to replace one specific word, 'my' with 'your'. But seems my code can
only change one appearance.
import csv
path1 = "/home/bankdata/levelout.csv"
path2 = "/home/bankdata/leveloutmodify.csv"
in_file = open(path1,"rb")
... |
Debugging a request/response in Python flask
Question: I am new to [python2 flask](http://flask.pocoo.org/) & I am tasked to pretty
print & save the entire HTTP request and response to file. I don't quite
understand how to print/inspect the request object, let alone the response.
from flask import Flask,... |
Easiest way to plot data on country map with python
Question: Could not delete question. Please refer to question: [Shade states of a
country according to dictionary values with
Basemap](http://stackoverflow.com/questions/36118998/shade-states-of-a-
country-according-to-dictionary-values-with-basemap)
I want to plot d... |
Continued Fractions Python
Question: I am new to Python and was asked to create a program that would take an input
as a non-negative integer n and then compute an approximation for the value of
e using the first n + 1 terms of the continued fraction:
I have attempted to decipher the question but can't exactly understa... |
Python Reportlab units, cm and inch, are translated differently
Question: If I draw two PDF files with ReportLab (vers. 3.2.0) with either cm or inch
settings I get two different PDFs.
I have two functions that to me look exactly equal. In one I place the text
into position (5.0*inch, 10.0*inch) and in the other I pla... |
Access Google spreadsheet from Google Appengine with service account : working once per hour
Question: I have implemented the python code here below based on the documentation in
order to access a spreadsheet accessible through a public link. It works once
every hour. If I execute a few seconds after a success, I recei... |
How to properly update xlwings
Question: After xlwings is updated from `0.6` to `0.7.0`, I have the following problem.
**Although xlwings works** , when I click **Import Python UDFs** , I get an
error that tells:
> Run-time error '1004' Cannot run the macro...
The macro may not be available in this workbook or all m... |
How to delete a specifil line by line number in a file?
Question: I'm trying to write a simple Phyton script that alway delete the line number 5
in a tex file, and replace with another string always at line 5. I look around
but I could't fine a solution, can anyone tell me the correct way to do that?
Here what I have s... |
Parsing Python JSON with multiple same strings with different values
Question: I am stuck on an issue where I am trying to parse for the id string in JSON
that exists more than 1 time. I am using the requests library to pull json
from an API. I am trying to retrieve all of the values of "id" but have only
been able to ... |
Using data from pythons pandas dataframes to sample from normal distributions
Question: I'm trying to sample from a normal distribution using means and standard
deviations that are stored in pandas DataFrames.
For example:
means= numpy.arange(10)
means=means.reshape(5,2)
produces:
... |
Does Spark discard ephemeral rdds immediately?
Question: Several sources describe RDDs as _ephemeral_ by default (e.g., [this s/o
answer](http://stackoverflow.com/a/25627654/5108214)) -- meaning that they do
not stay in memory unless we call cache() or persist() on them.
So let's say our program involves an ephemeral ... |
What algorithm used in interp1d function in scipy.interpolate
Question: So i was writing a python program for my numerical course, and I had to code a
cubic spline program. So i implement the formula for cubic spline given in
books like [Numerical methods by Chapra and
canale](http://rads.stackoverflow.com/amzn/click/0... |
Having issues with using mysql SELECT in a function
Question: Started learning mySQL and got stuck on why this command is not working. I had
success with UPDATE commands and SELECT * outside the function so I am guess I
am making a mistake in calling the function or perhaps the %s needs to be
different... My google foo... |
Detecting faces from camera using Opencv Python
Question: I am currently trying to detect face from my laptop camera but for some reason
the code I found is not giving a result. The code is starting the webcam and
not giving any errors but no rectangles are drawn for the faces. No faces are
being detected hence the for... |
Running a function in each iteration of a loop as a new process in python
Question: I have this:
from multiprocessing import Pool
pool = Pool(processes=4)
def createResults(uniqPath):
*(there is some code here that populates a list - among other things)*
for uniqPath in... |
How to connect() with a non-blocking socket?
Question: In Python, I would like to use `socket.connect()` on a socket that I have set
to non-blocking. When I try to do this, the method always throws a
`BlockingIOError`. When I ignore the error (as below) the program executes as
expected. When I set the socket to non-blo... |
Python - flask - understanding behaviour of routing / flash()
Question: I'm new to this. I can't understand why the app doesn't seem to be able to
keep hold of data that was randomly generated. get_question() returns a dict
with 2 key:value pairs. The question/answer are randomly generated from this
function. Every tim... |
Alias to Launch Python .py Script
Question: I am trying to create an Alias to launch mystepper6.py and moveit.py and sudo
ps ax by placing the following alias' in sudo nano ~/.bashrc (Note: I am using
Python 2 for this script.)
reboot='sudo reboot'
ax='sudo ps ax'
runstepper='python home/pi/myste... |
Why am I getting a "None" in my Python code?
Question: I'm trying to loop through six Wikipedia pages to get a list of every song
linked. It gives me this error when I run it in Terminal:
Traceback (most recent call last):
File "scrapeproject.py", line 31, in <module>
print (getTableLinks(m... |
How to access upper left cell of a pandas dataframe?
Question: Here is my Python's Pandas dataframe. How can I access the upper left cell
where `"gender"` is in and change the text? `"gender"` is not in
`names.columns`. So I thought this might be `names.index.name` but that was
not it.
import pandas as p... |
Qt Designer promoted widget layout
Question: I am using Qt Designer for designing my user interfaces, and I want to build
custom widgets which could be a combination of existing qt widgets such as a
QLabel and QPushButton attached screenshot
[](http://... |
How to force an automatic reload of the library from inside IPython notebook
Question: I'm just learning IPython Notebook, using a pre-existing Python library I've
written. At the beginning of my notebook, I'm importing it in the normal way.
However, I'm still modifying this library. I notice that changes I'm making t... |
Different results for linalg.norm in numpy
Question: I am trying to create a feature matrix based on certain features and then
finding distance b/w the items. For testing purpose I am using only 2 points
right now.
data : list of items I have
specs : feature dict of the items (I am using their values of keys as featu... |
Python: Is it meaningful to import sub-package?
Question: This statement is from [Python 3
Doc](https://docs.python.org/3/tutorial/modules.html):
> Note that when using from package import item, the item can be either a
> submodule (or subpackage) of the package ...
It says we can `from package import subpackage`.
H... |
Python load list from file and print random selection
Question: I have a file called `projects.txt` that contains the following line of code:
['Apollo', 'Astro', 'Aurora', 'Barcelona']
I use the following Python2 code to load the file and try to print a random
selection but I'm always getting just ... |
python pool doesn't work
Question: I'm trying to use multithreading and in order to keep it simple at first, i'm
running the following code:
import multiprocessing as mp
pool = mp.Pool(4)
def square(x):
return x**2
results=pool.map(square,range(1,20))
As i un... |
Can continuous random variables be converted into discrete using scipy?
Question: If I initialize a subclass of `scipy.stats.rv_continuous` , for example
`scipy.stats.norm`
>>> from scipy.stats import norm
>>> rv = norm()
Can I convert it into a list of probabilities with each element represent... |
Pandas complex processing with groupby
Question: My data is grouped by id. In each group, it is sorted by colB. The logic I
need to implement is as follows:
If colA is blank, and colD is either (2,3, or 4), then create a column called
'flag' and set flag = 1 in the last non-zero row of colC. Set the flag to 0 in
all t... |
import a module with a variable
Question: Hello dear programmers Python language. I have a question about importing
modules in another module with Python 2.7.
I want to know how to import a .py module in the form of a variable. In fact,
I would like to import a module based on the needs of my main module to limit
the ... |
Three nested for loops in python fail
Question: I am trying to write a HTML Form brute forcer with three Nested For loops, one
for IP one for USER and one for PASSWORDS, however my code tries all correct
user:pass combinations for the first IP address, write three times the found
one and then fails. I would like to try... |
To_CSV unique values of a pandas column
Question: When I use the following:
import pandas as pd
data = pd.read_csv('C:/Users/Z/OneDrive/Python/Exploratory Data/Aramark/ARMK.csv')
x = data.iloc[:,2]
y = pd.unique(x)
y.to_csv('yah.csv')
I get the following error:
Attrib... |
Logic error in python turtle
Question: I am coding in python 3.2 turtle and I have this beautiful drawing of a tank.
and I know how to move it left and write. However, when trying to make the
tank move up and down. I am faced with the problem that it goes up but if I
let go and press the up button again. It turns to th... |
How to tune parameters in Random Forest ? (Python Scikit Learn)
Question:
class sklearn.ensemble.RandomForestClassifier(n_estimators=10, criterion='gini', max_depth=None, min_samples_split=2, min_samples_leaf=1, min_weight_fraction_leaf=0.0, max_features='auto', max_leaf_nodes=None, bootstrap=True, oob_score=False... |
How to parse a number as either an int or a float, depending on required precision?
Question: Requirements:
1. Input can be either string or number
2. If input could be treated as an int without loss of precision, cast to int
3. If input could be treated as a float, cast to float
Here is the section of code w... |
Run Multiple Spider sequentially
Question:
Class Myspider1
#do something....
Class Myspider2
#do something...
The above is the architecture of my spider.py file. and i am trying to run the
Myspider1 first and then run the Myspider2 multiples times depend on some
conditions. How Could I do th... |
How to create a pandas DataFrame from its indexes and a two variable function?
Question: This is a common pattern I've been using:
rows = ['Joe','Amy','Tom']
columns = ['account_no', 'balance']
def f(row, column):
'''Fetches value from database'''
return np.random.random()
... |
Error when trying to install plotly
Question:
pip install plotly
Gave me a permissions error
sudo pip install plotly
Worked and installed plotly, tried to 'import plotly' , ImportError: No module
named 'plotly'
* * *
now when i do this again:
pip install plotly
"R... |
Converting Python 3 libraries to be used in 2.7
Question: I'm following a tutorial which is coded in Python 3 and the author uses
from urllib import parse
which gives me an error.
I've tried using Google and reading up about the library but can't seem to
find equivalent. All my code for project is... |
unable to run more than one tornado process
Question: I've developed a tornado app but when more than one user logs in it seems to
log the previous user out. I come from an Apache background so I thought
tornado would either spawn a thread or fork a process but seems like that is
not what is happening.
To mitigate thi... |
python 3.5 pass object from one class to another
Question: I am trying to figure out how to pass data from one class into another. My
knowledge of python is very limited and the code I am using has been taken
from examples on this site.
I am trying to pass the User name from "UserNamePage" class into "WelcomePage"
cla... |
How to wait a page is loaded in Python Selenium
Question:
try:
next_page_elem = self.browser.find_element_by_xpath("//a[text()='%d']" % pageno)
except noSuchElementException:
break
print('page ', pageno)
next_page_elem.click()
sleep(10)
I have a page contains information ... |
Implementing Regular expressions in Python
Question: I have a code like this.
<td class="check ABCD" rowspan="2"><center><div class="checkbox {{#if checked}}select{{else}}deselect{{/if}}" id="{{id}}" {{data "tool"}
<td class="check" rowspan="2"><center><div class="checkbox {{#if checked}}select... |
calculating the total of row 4 in excel csv file python
Question: I cant find the total of row 4 in a csv file my code is to enter a code which
is searched in a csv file which is then written to a new csv file in order for
it to be printed as a receipt my problem is in the last few lines this is my
code until know:
... |
Python how remove the name of the parent object from function names
Question: I have a .py file with my own functions, which I run on ipython on several
machines. The problem is that in some platforms I can call functions like
sin(), size(), plot() without the prefix of the parent class name and on other
platforms I ne... |
selenium TimeoutException: Message: python
Question: I have the following code, and trying to connect to itunesconnect using
selenium
from selenium import webdriver
from selenium.webdriver.support.ui import WebDriverWait
driver = webdriver.Firefox()
driver.get("https://itunesconnect... |
String alignment in Tkinter
Question: I want a message box in Python which shows the concatenated string text. I
want the text is left aligned but it doesn't. I tried `ljust()` and `{:<14}`
etc. But it still not aligned.
It seems like this:
[](http://... |
How to validated a boost::python::object is a function signature with an argument
Question: How to validated a boost::python::object argument is a python function
signature with an argument?
void subscribe_py(boost::python::object callback){
//check callback is a function signature
... |
SQLite database gets locked by SELECT clause
Question: I have a python script which creates a database and then enters an infinite
loop which runs once per second quering the database with some selects.
At the same time I connect to the database with a sqlite cli and try to make
an update but I get a database is locke... |
wx.SetTextForeground doesn't set DC color properly in wxPython
Question: I have the following code and I'm trying to change the text color of DC. I
have searched the internet and found that SetTextForeground should be used for
this, but somehow I'm unable to make it work.
import wx
class GUI(): ... |
How to set relative path to executive script
Question: I want to set relative path to folder with my executive script that will works
from any machine without hardcoding absolute path to file. So far I have
following:
import os
path_to_folder = os.path.realpath('.')
When I run my script from `P... |
python-serial OSError: [Errno 11] Resource temporarily unavailable
Question: I am using Arduino Nano to serial communicated with ODROID (single-board
computer installed Ubuntu 14.04). The Arduino code:
void setup() {
Serial.begin(9600); // set the baud rate
Serial.println("Ready"); // print... |
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