大约有 47,000 项符合查询结果(耗时:0.0414秒) [XML]
How to read keyboard-input?
... mixing different Pythons here (Python 2.x vs. Python 3.x)...
This is basically correct:
nb = input('Choose a number: ')
The problem is that it is only supported in Python 3. As @sharpner answered, for older versions of Python (2.x), you have to use the function raw_input:
nb = raw_input('Choose...
Where does Oracle SQL Developer store connections?
...my connection info with what is set up in the SQL Explorer's file. I found all the *.ora files and renamed them to see if I could find what file (through the process of elimination) the connections were stored in, but I wasn't successful. Any help would be appreciated.
...
Python Unicode Encode Error
...80\x80abcd\xde\xb4'
>>> u.encode('ascii')
Traceback (most recent call last):
File "<stdin>", line 1, in ?
UnicodeEncodeError: 'ascii' codec can't encode character '\ua000' in position 0: ordinal not in range(128)
>>> u.encode('ascii', 'ignore')
'abcd'
>>> u.encode(...
What is the relationship between Looper, Handler and MessageQueue in Android?
...: it reads and processes items from a MessageQueue. The Looper class is usually used in conjunction with a HandlerThread (a subclass of Thread).
A Handler is a utility class that facilitates interacting with a Looper—mainly by posting messages and Runnable objects to the thread's MessageQueue. Wh...
How can I get a list of locally installed Python modules?
I would like to get a list of Python modules, which are in my Python installation (UNIX server).
30 Answers
...
INSERT INTO…SELECT for all MySQL columns
... syntax, it looks like this (leave out the column list to implicitly mean "all")
INSERT INTO this_table_archive
SELECT *
FROM this_table
WHERE entry_date < '2011-01-01 00:00:00'
For avoiding primary key errors if you already have data in the archive table
INSERT INTO this_table_archive
SELECT...
Finding quaternion representing the rotation from one vector to another
...
Be aware that this does not handle the case of parallel vectors (both in the same direction or pointing in opposite directions). crossproduct will not be valid in these cases, so you first need to check dot(v1, v2) > 0.999999 and dot(v1, v2) < -0.999999, respectively, ...
error C2662: “Screen::move”: 不能将“this”指针从“const Screen”转...
...ursor = row + c;
return *this;
}
const Screen& Screen::display(std::ostream& os) const
{
os << contents << '\n';
return *this;
}
//main中处理
myScreen.display(cout).move(4,0).set('#').display(cout);
解决办法:通过返回调用函数的对象的引用,可以将一些...
Mac OS X Git安装教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Mac OS X Git安装教程下载:http: code.google.com p git-osx-installer 下载最新的PGK文件。图形化OpeninGitGui:http: code.google.com p git-osx-installer...下载:http://code.google.com/p/git-osx-installer/
下载最新的PGK文件。
图形化OpeninGitGui:
http://code.goo...
Mac OS X 平台有哪些好用的 SSH 客户端? mac 怎么登录到 linux 服务器并传...
Mac OS X 平台有哪些好用的 SSH 客户端? mac 怎么登录到 linux 服务器并传输文件?Mac OS X 平台有哪些好用的 SSH 客户端?mac 怎么登录到 linux 服务器并传输文件?推荐Cyberduck小黄鸭:下载地址:http: www.pc6...Mac OS X 平台有哪些好用的 ...
