python-3.4

问题 How can I use the following code to delete a selection from a listbox and removing it from the list the contains it also? The selections in the listbox are dictionaries which I store in a list. .................code.............................. self.frame_verDatabase = Listbox(master, selectmode = EXTENDED) self.frame_verDatabase.bind("<<ListboxSelect>>", self.OnDouble) self.frame_verDatabase.insert(END, *Database.xoomDatabase) self.frame_verDatabase.pack() self.frame_verDatabase.config

问题 I'm running some queries, that print runtime stats from their execution. It's done through print('message') used within the sql script. I would want to see these messages while calling the procedures/scripts through pymssql. conn = pymssql.connect(server, user, password, "tempdb") cursor = conn.cursor() cursor.execute("print('message')") conn.commit() Above script doesn't return anything, and I can't find any tips on how to get that print to show up in the console output. 回答1: Found a

问题 I'm using Django 1.7 and I have a problem with my fixtures. I would like Django to use the default value or use the save() method to create unspecified values. Here are my current objects: # File: uuidable.py import uuid from django.db import models from django.utils.translation import ugettext_lazy as _ class Uuidable(models.Model): uuid = models.CharField(_('uuid'), blank=True, null=False, unique=True, max_length=64, default=uuid.uuid4()) # Tried here class Meta: abstract = True def save

问题 Trying to follow a few[1][2] simple Docker tutorials via AWS am and getting the following error: > docker build -t my-app-image . Sending build context to Docker daemon 94.49 MB Step 1 : FROM amazon/aws-eb-python:3.4.2-onbuild-3.5.1 # Executing 2 build triggers... Step 1 : ADD . /var/app ---> Using cache Step 1 : RUN if [ -f /var/app/requirements.txt ]; then /var/app/bin/pip install -r /var/app/requirements.txt; fi ---> Running in d48860787e63 /bin/sh: 1: /var/app/bin/pip: not found The

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 4 years ago . Improve this question What code would I use to input text into a box (not edit text, something along the lines of a message bot)? Say I run the code, it opens a webpage and inputs text into a (e.g.) search box. Thanks! 回答1: You can use the Selenium library to create a bot in

问题 I am currently trying to create a sqlite database of peoples names and ip While my code seems to work when I run it the data doesn't show up when I run SELECT * from ips; in terminal after running SQLite3 ips Below is my code. Both it and the SELECT * from ips; are running in ~/Desktop/SQL import sqlite3 as sql import socket import struct def iptoint(ip): return str(struct.unpack("i",socket.inet_aton(ip))[0]) database = sql.connect("ips") createTable = True if createTable: database.execute(''

问题 I am currently trying to create a sqlite database of peoples names and ip While my code seems to work when I run it the data doesn't show up when I run SELECT * from ips; in terminal after running SQLite3 ips Below is my code. Both it and the SELECT * from ips; are running in ~/Desktop/SQL import sqlite3 as sql import socket import struct def iptoint(ip): return str(struct.unpack("i",socket.inet_aton(ip))[0]) database = sql.connect("ips") createTable = True if createTable: database.execute(''

问题 I can't find a good answer for this: is there a way for double click to execute a certain function, and single click one other function?? For example: def func1(self): print('First function') def func2(self): print('Second function') self.ui.button.clicked.connect(self.func1) self.ui.button.doubleClicked.connect(self.func2) I've seen double clicking is possible for the QTreeview but not a QPushButton . Thanks! 回答1: You can add the functionality easily yourself by extending QPushButton class:

问题 How can I convert a z3.String to a sequence of ASCII values? For example, here is some code that I thought would check whether the ASCII values of all the characters in the string add up to 100: import z3 def add_ascii_values(password): return sum(ord(character) for character in password) password = z3.String("password") solver = z3.Solver() ascii_sum = add_ascii_values(password) solver.add(ascii_sum == 100) print(solver.check()) print(solver.model()) Unfortunately, I get this error:

问题 Somehow only 2 of my bindings work(left and right mousebutton). I've done quite a few bindings in my previous programmes, but still, I have no idea why this doesn't work. Could somebody help me? class Window: def __init__(self): self.win=Tk() self.can=Canvas(self.win, height=800, width=800, bg="grey90") self.can.grid(row=0, column=0) class Player: def __init__(self, bind1, bind2): win.can.bind(bind1, self.moveleft) win.can.bind(bind2, self.moveright) def moveleft(event, self): print("left")