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Best way to strip punctuation from a string
... :",timeit.Timer('f(s)', 'from __main__ import s,test_set as f').timeit(1000000)
print "regex :",timeit.Timer('f(s)', 'from __main__ import s,test_re as f').timeit(1000000)
print "translate :",timeit.Timer('f(s)', 'from __main__ import s,test_trans as f').timeit(1000000)
print "replace :",ti...
Removing index column in pandas when reading a csv
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To get a sense for why the index is there and how it is used, see e.g. 10 minutes to Pandas.
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How to take off line numbers in Vi?
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180
If you are talking about show line number command in vi/vim
you could use
set nu
in comm...
What is the Python equivalent for a case/switch statement? [duplicate]
...n is a prime number\n"
# map the inputs to the function blocks
options = {0 : zero,
1 : sqr,
4 : sqr,
9 : sqr,
2 : even,
3 : prime,
5 : prime,
7 : prime,
}
Then the equivalent switch block is invoked:
options[num]()
T...
/usr/include/c++/4.9/bits/stl_iterator_base_types.h:165:53: error: ‘i...
...n fabs(a-b);
}
int main()
{
vector<int> age;
age.push_back(10);
age.push_back(15);
cout << distance(age[0],age[1]);
return 0;
}
这段代码初看起来并无错误,编译时提示上述错误,原因在于使用std命名空间,而std命名空间中已经有了std::d...
VC中CStatic等控件字体颜色的设置和OnCtlColor的使用 - C/C++ - 清泛网 - ...
...{
if (nCtlColor == CTLCOLOR_STATIC)
{
pDC->SetTextColor(RGB(0,0,255));//设置字体颜色
pDC->SetBkMode(TRANSPARENT); //设置背景透明
}
}
第三个参数OnCtlColor主要有以下的值：
CTLCOLOR_BTN 按钮控件
CTLCOLOR_DLG 对话框
CTLCOLOR_EDIT ...
解决WaitForSingleObject阻塞UI线程的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
..., FALSE, INFINITE, QS_ALLINPUT);
switch(dwRet)
{
case WAIT_OBJECT_0:
break; //break the loop
case WAIT_OBJECT_0 + 1:
//get the message from Queue
//and dispatch it to specific window
PeekMessage(&msg, NULL, 0, 0, PM_REMOVE);
DispatchMessage(&msg);
continue;
def...
MFC 获取当前时间的几种方法总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...me::GetCurrentTime();//获取当前的时间
COleDateTimeSpan timespan( 0, 8, 0, 0 ); //(Day, Hour, Minute, Second);
COleDateTime time=today + timespan; //Time比Today加了八小时
CString str;
str=time.Format("%H:%M %Y-%m-%d");
AfxMessageBox(str);
4.time_t（转换成秒）
SY...
C# 操作MongoDb插入、更新、查询 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...MongoDb插入、更新、查询Mongo连接字符串形式：mongodb: 127.0.0.1:27017 插入或更新一条记录BsonDocument doc = new BsonDocument();...MongoServer serv...Mongo连接字符串形式：mongodb://127.0.0.1:27017
// 插入或更新一条记录
BsonDocument doc = new BsonDocument...
In Vim, is there a way to paste text in the search line?
...u can insert the contents of a numbered or named register by typing CTRLR {0-9a-z"%#:-=.}. By typing CTRL-R CTRL-W you can paste the current word under the cursor. See:
:he cmdline-editing
for more information.
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