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git + LaTeX workflow
...een the two computers, and also would like to keep a revision history. I chose git as my DVCS, and I'm hosting my repository on my server. I'm also using Kile + Okular to do the editing. Kile doesn't have an integrated git plugin. I'm also not collaborating with anyone on this text. I'm also thinkin...
MQTT物联网协议完全实践指南 · App Inventor 2 中文网
...室控制系统
项目概述
实现一个基于MQTT的智能温室控制系统，包含：
温湿度传感器数据采集
自动灌溉控制
远程监控和手动控制
数据记录和报警功能
系统架构设计
graph TB
...
Build fat static library (device + simulator) using Xcode and SDK 4+
...is work nicely with Archive mode.
RECENT CHANGES:
1. Added support for iOS 10.x (while maintaining support for older platforms)
Info on how to use this script with a project-embedded-in-another-project (although I highly recommend NOT doing that, ever - Apple has a couple of show-stopper bugs i...
What's the difference between the atomic and nonatomic attributes?
...ead B calls the setter, an actual viable value -- an autoreleased object, most likely -- will be returned to the caller in A.
In nonatomic, no such guarantees are made. Thus, nonatomic is considerably faster than "atomic".
What "atomic" does not do is make any guarantees about thread safety. If...
Why is C so fast, and why aren't other languages as fast or faster? [closed]
...real programmers" write in C, and that C is so much faster because it's "close to the machine." Leaving the former assertion for another post, what is special about C that allows it to be faster than other languages? Or put another way: what's to stop other languages from being able to compile down ...
What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?
...cific character in a character set. CP1 is shorthand for CP1252 in the Microsoft sub-culture. Windows is the only platform that uses CP1252 indigenously as it is a hold-over from DOS days. Though it is very similar to ISO 8859-1, they are not the same. There are differences in mapped characters like...
Why aren't variable-length arrays part of the C++ standard?
...ry much in the last few years. When I read this question today I came across some C syntax which I wasn't familiar with.
...
How do you use bcrypt for hashing passwords in PHP?
...RjrwAVXD98HNOgsNpDczlqm3Jq7KnEd1rVAGv3Fykk1a
// Usage 2:
$options = [
'cost' => 11
];
echo password_hash('rasmuslerdorf', PASSWORD_BCRYPT, $options)."\n";
// $2y$11$6DP.V0nO7YI3iSki4qog6OQI5eiO6Jnjsqg7vdnb.JgGIsxniOn4C
To verify a user provided password against an existing hash, you may use ...
Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?
... I haven't touched ServicePointManager.DefaultConnectionLimit, and I'm disposing and re-creating everything (HttpClient and response) on each request. Do you have any idea what may be causing the connections to remain open, and deplete the ports?
– Iravanchi
Ju...
javac is not recognized as an internal or external command, operable program or batch file [closed]
...H. Remove old Java paths.
Add the new Java path to PATH.
Edit JAVA_HOME.
Close and re-open console/IDE.
Welcome!
You have encountered one of the most notorious technical issues facing Java beginners: the 'xyz' is not recognized as an internal or external command... error message.
In a nutshell...