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Build a Basic Python Iterator
...n (defines __getitem__)
Examples:
# generator
def uc_gen(text):
for char in text.upper():
yield char
# generator expression
def uc_genexp(text):
return (char for char in text.upper())
# iterator protocol
class uc_iter():
def __init__(self, text):
self.text = text.upp...
How can I use a carriage return in a HTML tooltip?
... @Sam I don't understand what you mean by that. \x0A (byte) is the character-code that corresponds with a newline. Same for \u000A (unicode). \n is also newline.
– Halcyon
Jan 7 '15 at 14:02
...
Can inner classes access private variables?
... {
i.func();
}
private:
static const char* const MYCONST;
Inner i;
int var;
};
const char* const Outer::MYCONST = "myconst";
int main()
{
Outer o1;
Outer o2(o1);
o1.func();
o2.func();
}
...
Accessing last x characters of a string in Bash
I found out that with ${string:0:3} one can access the first 3 characters of a string. Is there a equivalently easy method to access the last three characters?
...
Checkstyle vs. PMD
...ion files to spare the team from an avalanche of irrelevant feedback ("Tab char on line 5", "Tab char on line 6", "Tab char on line 7"... you get the picture). They also provide powerful tools to write your own advanced rules, e.g. the Checkstyle DescendentToken rule.
When using all three (especial...
alternatives to REPLACE on a text or ntext datatype
...g SQL Server 2005/2008, you can use the following code (taken from here):
select cast(replace(cast(myntext as nvarchar(max)),'find','replace') as ntext)
from myntexttable
share
|
improve this answ...
Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术
...I标准发送数据。)
using boost::asio::ip::tcp;
int main(int argc, char* argv[])
{
try
{
if (argc != 2)
{
std::cerr << "Usage: client <host>" << std::endl;
return 1;
}
用asio进行网络连接至少需要一个boost::asi...
Properties file in python (similar to Java Properties)
...most uses cases (not all):
def load_properties(filepath, sep='=', comment_char='#'):
"""
Read the file passed as parameter as a properties file.
"""
props = {}
with open(filepath, "rt") as f:
for line in f:
l = line.strip()
if l and not l.startswi...
C++虚继承的概念 - C/C++ - 清泛网 - 专注C/C++及内核技术
..." << endl;}
34: private:
35: };
36:
37: int main(int argc, char* argv[])
38: {
39: Child c;
40:
41: //不能这样使用，会产生二意性，VC下error C2385
42: //c.print();
43:
44: //只能这样使用
45: c.Base::print();
46: c.Sub::print...
What's the easiest way to escape HTML in Python?
...; to &amp;
That is enough for all HTML.
EDIT: If you have non-ascii chars you also want to escape, for inclusion in another encoded document that uses a different encoding, like Craig says, just use:
data.encode('ascii', 'xmlcharrefreplace')
Don't forget to decode data to unicode first, us...