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UCenter实现各系统通信的原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...n，就调用control目录下的 user.php类中的onsynlogin方法，通过foreach循环，以javascript的方式通知uc应用列表中的应用同步登录；即通过 get方式传递给应用目录中api下的uc.php一些数据；
3、uc.php接收通知并处理get过来的数据，并在函...
Why would one use nested classes in C++?
Can someone please point me towards some nice resources for understanding and using nested classes? I have some material like Programming Principles and things like this IBM Knowledge Center - Nested Classes
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Can modules have properties the same way that objects can?
...nce is a module by stashing it in sys.modules[thename] = theinstance. So, for example, your m.py module file could be:
import sys
class _M(object):
def __init__(self):
self.c = 0
def afunction(self):
self.c += 1
return self.c
y = property(afunction)
sys.module...
JavaScript function similar to Python range()
...p; start <= stop)) {
return [];
}
var result = [];
for (var i = start; step > 0 ? i < stop : i > stop; i += step) {
result.push(i);
}
return result;
};
See this jsfiddle for a proof.
Comparison between range() in JavaScript and Python
It works in...
target=“_blank” vs. target=“_new”
...U+005F LOW LINE character. (Names starting with an underscore are reserved for special keywords.)
A valid browsing context name or keyword is any string that is either a valid browsing context name or that is an ASCII case-insensitive match for one of: _blank, _self, _parent, or _top." - Source
Tha...
Benchmarking (python vs. c++ using BLAS) and (numpy)
... extensive use of BLAS and LAPACK linear algebra functionalities. Since performance is an issue I did some benchmarking and would like know, if the approach I took is legitimate.
...
Easy pretty printing of floats in python?
... see all decimals of really precise numbers, but get rid of trailing zeros for example, use the formatting string %g:
np.set_printoptions(formatter={"float_kind": lambda x: "%g" % x})
For just printing once and not changing global behavior, use np.array2string with the same arguments as above.
...
C++中判断文件、目录是否存在的几种方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...nclude <stdio.h>
#include <stdlib.h>
int main( void )
{
// Check for existence.
if( (_access( "crt_ACCESS.C", 0 )) != -1 )
{
printf_s( "File crt_ACCESS.C exists.\n" );
// Check for write permission.
// Assume file is read-only.
if( (_access( "c...
How do I move to end of line in Vim?
...
I use _ and g_ for visual/yanking, as $ will also copy/delete the new line (LN) character.
– Ernest
May 8 '14 at 13:08
...
How do I filter query objects by date range in Django?
...
for date__range you need to put 01 of the next month. Here is a link to the documentaion that exmaplins that it translates to 00:00:00.0000 of the dates, hence the last day in your range is not included. docs.djangoproject.co...