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python: how to identify if a variable is an array or a scalar
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thanks, I didn't imagine inverting list to get false for scalars... thanks
– otmezger
May 29 '13 at 6:39
3
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Non-alphanumeric list order from os.listdir()
...he default order of the lists has changed to something almost nonsensical. For example, if I am in a current directory containing the following subdirectories: run01, run02, ... run19, run20, and then I generate a list from the following command:
...
6个变态的C语言Hello World程序 - 创意 - 清泛网 - 专注C/C++及内核技术
... >>1))),(((1<<1)<<(1<<1))+((1<<1)<< (1<<(
1>>1))) + (1<< (1>>1)))}; for(i=(1>>1);i
<(((1<<1) <<(1<<1))+((1 <<1)<< (1<<(1>>1
))) + (1<<1)); i++) printf("%c",n[i]); }
hello6.cpp
下面的程序只能由C++的编译器编译（比如：g++）
#include <stdio.h>
#define _(_) putch...
[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
...若将char*转换成CString，除了直接赋值外，还可使用CString::format进行。例如：
char chArray[] = "This is a test";
char * p = "This is a test";
或
LPSTR p = "This is a test";
或在已定义Unicode应的用程序中
TCHAR * p = _T("This is a test");
或
LPTSTR ...
Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space
I'm looking for a neat RegEx solution to replace
8 Answers
8
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Python Sets vs Lists
...speedy? Assuming that order is not important to me and I would be checking for duplicates anyway, is a Python set slower than a Python list?
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How do I list all files of a directory?
...h:
from os import listdir
from os.path import isfile, join
onlyfiles = [f for f in listdir(mypath) if isfile(join(mypath, f))]
or you could use os.walk() which will yield two lists for each directory it visits - splitting into files and dirs for you. If you only want the top directory you can jus...
STL：accumulate与自定义数据类型 - C/C++ - 清泛网 - 专注C/C++及内核技术
...utIterator>)
__glibcxx_requires_valid_range(__first, __last);
for ( ; __first != __last; ++__first)
__init = __binary_op(__init, *__first);
return __init;
}
第四个参数为 __binary_op ,我们需要重写这个函数对象，后面还会继续分析...
假设自定...
Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP
I've got this message warning on Netbeans 7.4 for PHP while I'm using $_POST , $_GET , $_SERVER , ....
5 Answers
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How to remove illegal characters from path and filenames?
...Path.GetInvalidFileNameChars()) + new string(Path.GetInvalidPathChars());
foreach (char c in invalid)
{
illegal = illegal.Replace(c.ToString(), "");
}
But I have to agree with the comments, I'd probably try to deal with the source of the illegal paths, rather than try to mangle an illegal pa...