我需要编写一个总是返回整数值的方法。如果记录不存在,则方法返回0。
在被查询的列中,我有一个唯一的索引,并提出了两个解决方案:
# Option a) Ruby logic
def some_method id
result = Model.some_scope.find(:first,
conditions: { foo_id: id },
select: :int_value)
# Return 0 if record does not exis
当我把‘S’放在我的域名http的末尾时,我看到的是name...this:
This Connection is Untrusted
You have asked Firefox to connect
securely to mydomain.com, but we can't confirm that your connection is secure.
Normally, when you try to connect securely,
sites will present trusted identification to prove that you are
going
硒在这里真的很重要。因此,我想要创建一个程序,可以帮助我从谷歌废料,如片段等,同时也让我的能力,使浏览器自动化的一些其他任务。这就是我所做的。
from selenium import webdriver as webd
import time
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.by import By
driver = webd.Firefox()
driver.get('https://google.com/')
driver.find_eleme