大约有 13,700 项符合查询结果(耗时:0.0266秒) [XML]
App Inventor 2 财务计算器拓展:复利计算、平均值、中位数、众数、方差计...
...据分析工具,此扩展都是您不可或缺的得力助手。
aia源码及拓展下载地址。
AppInventor,AppInventor2
【ClientSocketAI2Ext】拓展报错信息如何自定义展示? - App Inventor 2 拓...
...好异常,并分发到屏幕1导致的上述问题,中文网决定在源码基础上进行优化,将报错信息分发到屏幕1的错误处理事件中:
目前正在测试中,敬请期待!
cn.fun123.ClientSocketAI2Ext 中文网升级版 Socket客户端拓展,TCP通信拓...
...然能够正常运行:
注:由于此拓展编译自最新的平台源码,经过测试,AI伴侣 < 2.67 或安卓 < 13的平台不支持,不兼容拓展的报错模板。以下是某社区版(v2.65)测试结果,不兼容,App直接崩溃:
经测试,MIT 原版测试...
dify 的数据库在哪?如何备份数据? - C/C++ - 清泛IT社区,为创新赋能!
数据在 dify 源码的 xx/docker/volumes 下面,直接打包备份即可。
导入数据包后,重启docker即可重新加载最新数据。
控件重绘函数/消息OnPaint,OnDraw,OnDrawItem,DrawItem的区别 - C/C++ - 清...
...是OnPaint和Ondraw的关系,其实这个很简单,CView::OnPaint()的源码如下:
void CView::OnPaint()
{
CPaintDC dc(this);
OnPrepareDC(&dc);
OnDraw(&dc)
}
从代码中可以清楚的看出他们的关系。
OnPaint OnDraw OnDrawItem DrawItem ...
Office在线预览及PDF在线预览的实现方式大集合 - 更多技术 - 清泛网 - 专注...
...的保护的源文件及文件的复制,不可复制也是缺点。
2、源码是自己的,版权有保证。
缺点:
1、服务器上必须安装Office软件。
2、导出PDF文件本身是个打印过程,Excel页面格式未设置,会出现一张表格打印出多页来,阅读体...
Is it abusive to use IDisposable and “using” as a means for getting “scoped behavior” for exception
...
I don't think so, necessarily. IDisposable technically is meant to be used for things that have non-managed resources, but then the using directive is just a neat way of implementing a common pattern of try .. finally { dispose }.
A purist would argue 'yes - it's...
Optimizing away a “while(1);” in C++0x
...sume we have the following loops,
where count and count2 are global variables (or have had their address
taken), and p is a local variable, whose address has not been taken:
for (p = q; p != 0; p = p -> next) {
++count;
}
for (p = q; p != 0; p = p -> next) {
++count2;
}
Coul...
程序员之网络安全系列(三):数据加密之对称加密算法 - 更多技术 - 清泛网...
...8B4QCotyZkKf091WElCwG659QiVVw0=
Decrypeted: I Love You, Li Li
.NET 源码:
using System;
using System.Security.Cryptography;
using System.IO;
using System.Text;
namespace AES
{
class MainClass
{
public static void Main (string[] args)
{
string password = "Don't beli...
boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的,具体请参见boost文档
最后,给出一些文章中用到的源码没有的实现部分
#include <algorithm>
#include <vector>
#include "boost/lambda/lambda.hpp"
#include "boost/function.hpp"
Course::Course( unsigned int num, unsigned int hour, std::string name ) ...