python-2.7

问题 I am trying to automate sending a text message using python & selenium from https://voice.google.com/about . When I run below code, it picks up the lattest version/ instance of google chrome and works fine. But, when I run it headless mode, it uses an older version of google chrome(guessing from screenshot) and gives TimeoutException() exception. It fails while logging in. I checked an element id of sign in box in an IE emulator and it appears to be the same. url = "https://voice.google.com

问题 here's my code. Actually I followed the example in "Recursively Scraping Web Pages With Scrapy" and it seems I have included a mistake somewhere. Can someone help me find it, please? It's driving me crazy, I only want all the results from all the result pages. Instead it gives me the results from page 1. Here's my code: import scrapy from scrapy.selector import Selector from scrapy.spiders import CrawlSpider, Rule from scrapy.http.request import Request from scrapy.contrib.linkextractors.sgml

问题 Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 2 years ago . Improve this question If I create a class as below, and check the type of the object, I get the following output. My question is what does __main__ mean here? class Student(object): pass >>>a = Student() >>>type(a) <class '__main__.Student'> There is another question, if I check the

问题 Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 2 years ago . Improve this question If I create a class as below, and check the type of the object, I get the following output. My question is what does __main__ mean here? class Student(object): pass >>>a = Student() >>>type(a) <class '__main__.Student'> There is another question, if I check the

问题 The following example script writes some strings to a file using either "w" , text, or "wb" , binary mode: import itertools as it from string import ascii_lowercase import time characters = it.cycle(ascii_lowercase) mode = 'w' # mode = 'wb' # using this mode takes longer to execute t1 = time.clock() with open('test.txt', mode) as fh: for __ in xrange(10**7): fh.write(''.join(it.islice(characters, 0, 50))) t2 = time.clock() print 'Mode: {}, time elapsed: {:.2f}'.format(mode, t2 - t1) With

问题 I have the following HTML, CSS and JS code. However, when I use the search from the top right side and press enter. Flask only get "None" and what was typed in search. This is the route for the search: @app.route("/quick_search/", methods=("GET", "POST")) @app.route("/quick_search/<property_id>") def quick_search(property_id=None): form = QuickSearch() print "???", form.propert_name.data and this form class: from flask.ext.wtf import Form from wtforms import SelectField, StringField,

问题 This question already has answers here : Closed 8 years ago . Possible Duplicate: How can I make my code be a set? python takes list and returns only if negative value also exists using set Basically I have a huge list: # with (n) being a number in the hundreds of thousands or millions def big_list(n): return [ randrange(n) for i in range(n) ] What I need to do is create a new list containing only the elements of big_list(n) that appear once using set . I'm really stuck so anything that could

问题 This question already has answers here : Python 2 CSV writer produces wrong line terminator on Windows (3 answers) Closed 4 years ago . I have a file called Some.csv which has a field (column) which has values like 1000, 2000, .... 39000. I wanted only the files with 39000 so I wrote the following python script import os import csv with open('Somenew.csv', 'w') as fw: writr = csv.writer(fw, delimiter=',') with open('Some.csv','r') as fr: reader = csv.reader(fr, delimiter = ',') for row in

问题 I have a couple threads running at once, doing things in the "background", but then the program reaches a point where it needs user input for all the threads to continue. Below is what I have written, and it works, but it seems inefficient and I'm not sure how else to do it as this is my first experience with multi-threading. global userPromptFlag = 1 # first thread to reach this condition prompts the user for info if (userPromptFlag == 1): userPromptFlag = 0 self.userPrompts() else: # other

问题 Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 3 years ago . Improve this question I have a website and i want to find number of online users in my website(All of users logged to their account or not): And when they get offline or close page the number of online users get update: How can i do that?is there any library to do that? 回答1: You can