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https://bbs.tsingfun.com/thread-3060-1-1.html 

不到20个积木块,我用App Inventor 2给女儿做了个接星星小游戏 - App应用开...

...画布作为游戏主界面 • 星星用球形精灵(Ball)实现,修改填充色为黄色,缩小半径充当"星星" • 篮子用图像精灵(ImageSprite),加载一张篮子图片作为外观 • 再搭配一个时钟组件(Clock)做定时控制 关键实现 ...
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What is the meaning of “POSIX”?

...irst Apple POSIX system, released circa 2001. See also: Is OSX a POSIX OS? AIX (IBM) HP-UX (HP) Solaris (Oracle) Most Linux distros are very compliant, but not certified because they don't want to pay the compliance check. Inspur's K-UX and Huawei's EulerOS are two certified examples. The officia...
https://www.tsingfun.com/it/pr... 

阿里双11大型项目管理怎么玩? - 项目管理 - 清泛网 - 专注C/C++及内核技术

...控制范围需要进一步上升风险到业务域,于是将所属项目修改为“末端板块”,同时保持该风险关联到自身项目以及依赖的其他团队项目“物流宝板块”,并抄送提醒相关人员。末端业务域PM继续将风险通过关联上升到菜鸟天灾...
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What is a “thread” (really)?

...hreads such as Linux (via NPTL), BSD variants, Mac OS X, Windows, Solaris, AIX, HP-UX, etc. Operating systems may use different mechanisms to implement multithreading support. Here, you can find more information about the topic. That was also my information-source. Let me just add a sentence com...
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将 App Inventor 2 项目连接到外部传感器 · App Inventor 2 中文网

...器连接到IOIO板的代码。来自此博客的代码被直接使用和修改。BrianDorey.com 致谢 我首先要感谢Hal Abelson教授赞助和监督这个项目,并为项目的方向提供...
https://www.tsingfun.com/it/tech/1011.html 

Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...隔符的值,默认是空格或tab。我们可以通过-F命令行选项修改FS的值。如$ awk -F: '{print $1,$5}' test将打印以冒号为分隔符的第一,第五列的内容。 可以同时使用多个域分隔符,这时应该把分隔符写成放到方括号中,如$awk -F'[:\t]' '{p...
https://community.kodular.io/t... 

Phase • Animations made easy! - Extensions - Kodular Community

... making this for me. Download [Version: 3.1] Direct: io.shreyash.phase.aix (81.1 KB) Google Drive: https://drive.google.com/file/d/1fviQil8GOeSvVWMKMOxG1Hi82M4qOCNQ/view?usp=sharing Let me know if you find any bugs/errors. Also, I’m open to suggestions and feature requests. ...
https://www.tsingfun.com/ilife/tech/1930.html 

区块链技术到底是什么鬼,为何被疯炒? - 资讯 - 清泛网 - 专注C/C++及内核技术

...:如A要转账一笔钱给B,需经过银行O进行验证、对账,再修改A、B的账户,将钱划给B。 (图5:传统货币交易模式) 而基于区块链技术的比特币交易模式则剔除了银行作为中心数据库的角色,每个比特币用户的电脑都是一个节点...
https://www.tsingfun.com/it/cpp/2213.html 

tcp端口状态ESTABLISHED、TIME_WAIT、CLOSE_WAIT 、SYN_RECV等详解 - C/C++...

...s的快速回收,默认为0,表示关闭。 net.ipv4.tcp_fin_timeout 修改系統默认的 TIMEOUT 时间 查看系统TCP连接资源命令 netstat netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}' 一般情况下,系统的socket资源默认5000个。(非官方...
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How do I create a nice-looking DMG for Mac OS X using command-line tools?

...mes. The pack process creates installers for Windows, Windows CE, Symbian, AIX, Linux and Solaris as well. – Ludvig A. Norin Sep 19 '08 at 22:25 ...