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【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
...
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...
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...
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...
How to use Boost in Visual Studio 2010
...gt;.user, and select Properties to open the Property Page for edit.
Select VC++ Directories on the left.
Edit the Include Directories section to include the path to your boost source files.
Repeat steps 3 - 6 for different platform of your choice if needed.
If you want to use the part of boost tha...
Difference between std::system_clock and std::steady_clock?
...
The VC++ 2012 implementation has been acknowledged as a bug by MS's standard library maintainer.
– ildjarn
Nov 7 '12 at 19:16
...
Start thread with member function
...
@zmb, with the exception that you want code to compile on VC10, you have to move if the return type is not CopyConstructable.
– abergmeier
Oct 10 '13 at 13:20
6
...
How is Math.Pow() implemented in .NET Framework?
...or the CRT is also available if you have the full version of Visual Studio vc/crt/src directory. You'll hit the wall on pow() though, Microsoft purchased that code from Intel. Doing a better job than the Intel engineers is unlikely. Although my high-school book's identity was twice as fast when I t...
Undefined, unspecified and implementation-defined behavior
...ask a guru about this who got his hands dirty with many compilers :) AFAIK VC evaluates arguments right-to-left always.
– AraK
Mar 8 '10 at 10:28
4
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