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Backbone.View “el” confusion
...
A views el is where all the event binding takes place. You don't have to use it but if you want backbone to fire events you need to do your rendering work on the el. A views el is a DOM element but it does not have to be a pre-existing element. ...
adding noise to a signal in python
...umpy as np
import matplotlib.pyplot as plt
t = np.linspace(1, 100, 1000)
x_volts = 10*np.sin(t/(2*np.pi))
plt.subplot(3,1,1)
plt.plot(t, x_volts)
plt.title('Signal')
plt.ylabel('Voltage (V)')
plt.xlabel('Time (s)')
plt.show()
x_watts = x_volts ** 2
plt.subplot(3,1,2)
plt.plot(t, x_watts)
plt.title...
What is memoization and how can I use it in Python?
...orials using memoization in Python would be something like this:
factorial_memo = {}
def factorial(k):
if k < 2: return 1
if k not in factorial_memo:
factorial_memo[k] = k * factorial(k-1)
return factorial_memo[k]
You can get more complicated and encapsulate the memoization...
c++获取windows程序的版本号 - C/C++ - 清泛网 - 专注C/C++及内核技术
...e <windows.h>
#include <atlstr.h>
#pragma comment(lib, "version")
int _tmain(int argc, _TCHAR* argv[])
{
LPCTSTR lpszModuleName = _T("C:\\Windows\\notepad.exe");
// Get the version information size for allocate the buffer
DWORD dwHandle;
DWORD dwDataSize = ::GetFileVersionIn...
error LNK2019: 无法解析的外部符号 _Netbios@4,该符号在函数 中被引用 - C...
error LNK2019: 无法解析的外部符号 _Netbios@4,该符号在函数 中被引用解决方法如下：Cpp文件include语句之后加上如下代码：#pragma comment(lib,"netapi32.lib")解决方法如下：
Cpp文件include语句之后加上如下代码：
#pragma comment(lib,"netapi32.lib")
...
mfc 按钮变成了非xp风格、界面变成windows经典样式的原因总结 - C/C++ - 清...
...xp风格 xp风格stdafx.h中添加：#ifdef _UNICODE#if defined _M_IX86#pragma co...首先看一下xp风格与非xp风格：
非xp风格 xp风格
stdafx.h中添加：
#ifdef _UNICODE
#if defined _M_IX86
#pragma comment(lin...
CListCtrl 行高设置，自定义行高 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ListCtrl
{
public:
CMyListCtrl(void);
~CMyListCtrl(void);
DECLARE_MESSAGE_MAP()
virtual void MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct);
virtual void OnMeasureItem(int nIDCtl, LPMEASUREITEMSTRUCT lpMeasureItemStruct);
virtual void DrawItem(LPDRAWITEMSTRUCT lpMeasureItemS...
如何把一个POINT转化为lParam参数 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ARAM(pt.x, pt.y);反之：CPoint point(lParam);里面的实现是：CPoint(_In_ LPARAM dwPoint) throw();...ATLTYPES_INLINE CPoin...MAKELPARAM(pt.x, pt.y);
反之：
CPoint point(lParam);
里面的实现是：
CPoint(_In_ LPARAM dwPoint) throw();
...
ATLTYPES_INLINE CPoint::CPoint(_In...
phpcms后台表单多选统计不准确的解决方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...一次。
代码修改：
phpcms\modules\formguide\templates\formguide_stat.tpl.php
if(trim($__v[$v['field']])==trim($_kv)) $number++;
改为：
if(strpos(trim($__v[$v['field']]), trim($_kv)) !== false) $number++;
这样就完全OK了。phpcms 后台表单 多选统计
无法解析的外部符号 _MiniDumpWriteDump@28，MiniDumpWriteDump lib文件 - ...
无法解析的外部符号 _MiniDumpWriteDump@28，MiniDumpWriteDump lib文件MiniDumpWriteDump是MS DbgHelp.dll 中一个API, 用于导出当前运行的程序的Dump。#include <DbgHelp.h>#pragma comment(lib, "Dbghelp.lib") 解决链接失败的问题MiniDumpWriteDump是MS DbgHelp.dll 中一个A...