解决一个问题: 当我添加一个IBout, 报了如下错误 NSUnknownKeyException' … setValue:forUndefinedKey:]: …not key value coding compliant 一般情况下是 Look in your storyboard or xib (whichever you're using) for the ViewControllerWelcome object. The most likely source of this error…
安装和配置好ansible,执行命令时报错如下 [root@test01 ansible-install]# ansible test -m shell -a 'w' >> Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support this. Please add this host's fingerprint t…
Centos7.5 ansible第一次使用模块报错 问题: [root@m01 ~]# ansible webservers -m ping -i ./hosts 172.16.1.7 | FAILED! => { "msg": "Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support…
转自: http://blog.csdn.net/brokge/article/details/8536906 setTag是android的view类中很有用的一个方法,可以用它来给空间附加一些信息,在很多场合下都得到妙用. setTag(Object tag)方法比较简单,这里主要谈一谈带两个参数的setTag方法. 官方的api文档中提到:“ The specified key should be an id declared in the resources of the applica…
问题说明: 当用到dictionary<key,value>来储存数据的时候,有时候需要在界面上绑定一个key来显示value,这时候有两种思路: 一种是写一个自定义的扩展类,类似Binding,这里取名为“MyBinding”,在binding类内部实现key的绑定. 另一种更简洁,更通用的方法是用索引实现绑定.属性能够绑定到界面,同样的索引也能绑定到界面. 实现代码如下: 1.自定义MarkupExtension, using System; using System.Windows.Da…
#coding=utf8 import sys import itertools import json reload(sys) sys.setdefaultencoding("utf8") def get_line(): """ return key, value """ for line in sys.stdin: yield line.strip().split('\t', 1) for key, lines in it…
