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Django South - table already exists
I am trying to get started with South. I had an existing database and I added South ( syncdb , schemamigration --initial ).
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Check a radio button with javascript
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Do not mix CSS/JQuery syntax (# for identifier) with native JS.
Native JS solution:
document.getElementById("_1234").checked = true;
JQuery solution:
$("#_1234").prop("checked", true);
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What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?
...d iOS platforms, memory leaks are often caused by unreleased pointers. Traditionally, it has always been of utmost importance to check your allocs, copies and retains to make sure each has a corresponding release message.
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What is the difference between typeof and instanceof and when should one be used vs. the other?
...} instanceof Object; // true
typeof {}; // object
And the last one is a little bit tricky:
typeof null; // object
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List all files in one directory PHP [duplicate]
... the best way to list all the files in one directory with PHP? Is there a $_SERVER function to do this? I would like to list all the files in the usernames/ directory and loop over that result with a link, so that I can just click the hyperlink of the filename to get there. Thanks!
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NtMapViewOfSection注入 - C/C++ - 清泛网 - 专注C/C++及内核技术
...要特殊的条件比如像管理员权限或者之类的要求
#define _WIN32_WINNT 0x0400
#include <windows.h>
typedef LONG NTSTATUS, *PNTSTATUS;
#define NT_SUCCESS(Status) ((NTSTATUS)(Status) >= 0)
typedef enum _SECTION_INHERIT
{
ViewShare = 1,
ViewUnmap = 2
} SECTION_INHERIT;
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warning C4996 - C/C++ - 清泛网 - 专注C/C++及内核技术
warning C4996warning C4996: '_vsnprintf': This function or variable may be unsafe. ......warning C4996: strcpy was declar...warning C4996: '_vsnprintf': This function or variable may be unsafe. ......
warning C4996: strcpy was declared deprecated
出现这样的警告,是因为VC2005之后的版...
[源码实例] c/c++获取网卡mac地址 - C/C++ - 清泛网 - 专注C/C++及内核技术
...fx.h>#include < nb30.h > #pragma comment(lib,"netapi32.lib")typedef struct _ASTAT...代码如下:
#include "stdafx.h"
#include <afx.h>
#include < nb30.h >
#pragma comment(lib,"netapi32.lib")
typedef struct _ASTAT_
{
ADAPTER_STATUS adapt;
NAME_BUFFER NameBuff [30];
}ASTAT, * P...
[工程源码实例] C++ ADO 读写Excel源码及注意点 - C/C++ - 清泛网 - 专注C/C++及内核技术
...!!
#import "C:\Program Files\Common Files\System\ADO\msado15.dll" no_namespace rename("EOF", "adoEOF") rename("BOF", "adoBOF")
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//连接字符串(这里是Excel 2003, 2007的Extended Properties="Excel 12.0 Xml;貌似找不到驱动,有解决的烦请评论告知下)
"Provider='Mic...
在MongoDB中模拟Auto Increment - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...言以PHP为例,代码大致如下所示:
<?php
function generate_auto_increment_id($namespace, array $option = array())
{
$option += array(
'init' => 1,
'step' => 1,
);
$instance = new Mongo();
$instance = $instance->selectCollection('_seq', 'seq...
