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授权页面加载不出来？ - App Inventor 2 离线版 - 清泛IT社区，为创新赋能！
授权页面加载不出来，空白：
经过远程查看，ctrl + f12，保存原因是通过浏览器代理导致访问失败。
重置 host 解决，网络通了就 ok 了。可以借助 ai 辅助调查代理保存原因及解决方法。
Is there a performance difference between i++ and ++i in C++?
...ze away the temporary variable copy in the postfix case. A quick test with VC shows that it, at least, can do that in certain cases.
In the following example, the code generated is identical for prefix and postfix, for instance:
#include <stdio.h>
class Foo
{
public:
Foo() { myData=0; ...
RSS Feeds in ASP.NET MVC
How would you reccommend handling RSS Feeds in ASP.NET MVC? Using a third party library? Using the RSS stuff in the BCL? Just making an RSS view that renders the XML? Or something completely different?
...
PHP编译configure时常见错误 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...全安装成功。
本文总结了一些常见的configure错误信息和解决这些错误的经验。
1、configure: error: No curses/termcap library found
网上有的说法是：–with-named-curses-libs=/usr/lib/libncursesw.so.5
其实是不对的，虽然能解决configure的错误，...
Boost Statechart vs. Meta State Machine
... state machines, so you will need a pretty recent compiler (g++ >= 4.x, VC >= 9)
You can make yourself a better opinion by looking for comments posted during the review of MSM. This subject was much discussed on the developer list.
...
【教学】AppInventor2人工智能应用：Personal Image Classifier (PIC) Tool...
繁体中文原文：https://blog.cavedu.com/2019/08/27/app-inventor-image-classifier/
[color=var(--fs-experimental-link-color)][color=var(--fs-color-primary)]27
[size=0.8em]8 月
MIT App Inventor 團隊蠻早就發佈了 [color=var(--fs-experimental-link-color)]look extension，概念上...
MQTT物联网协议完全实践指南 · App Inventor 2 中文网
...接丢失处理
procedure handleConnectionLost
do
// 停止所有定时任务
call stopHeartbeat
call stopDataCollection
// 标记设备为离线状态
set Label_DeviceStatus.Text to "设备离线"
set Label_DeviceStatus.BackgroundColor to Red
// 启动重连机制
...
How do I control how Emacs makes backup files?
... for my purposes I renamed it sensitive-minor-mode.
To enable it for all .vcf and .gpg files, in your .emacs use something like:
(setq auto-mode-alist
(append
(list
'("\\.\\(vcf\\|gpg\\)$" . sensitive-minor-mode)
)
auto-mode-alist))
Alternatively, to protect o...
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...
...（英语：Advanced Encryption Standard，缩写：AES），在密码学中又称Rijndael加密法，是美国联邦政府采用的一种区块加密标准。这个标准用来替代原先的DES，已经被多方分析且广为全世界所使用。经过五年的甄选流程，高级加密标准由...
Business logic in MVC [closed]
...odels should only carry data." You're not understanding what M means in "MVC". V is purely presentation. C is glue between presentation and model. (In fact, the "VC" are often thought of together as being the presentation layer, and popular variations of MVC like MVVM -- Model View Viewmodel -- ma...