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R command for setting working directory to source file location in Rstudio

... order to return correct path I found it in: https://support.rstudio.com/hc/communities/public/questions/200895567-can-user-obtain-the-path-of-current-Project-s-directory- The BumbleBee´s answer (with parent.frame instead sys.frame) didn´t work to me, I always get an error. ...
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从一个开发的角度看负载均衡和LVS - 更多技术 - 清泛网 - 专注C/C++及内核技术

...LVS是四层负载均衡,也就是说建立在OSI模型的第四层——传输层之上,传输层上有我们熟悉的TCP/UDP,LVS支持TCP/UDP的负载均衡。 LVS的转发主要通过修改IP地址(NAT模式,分为源地址修改SNAT和目标地址修改DNAT)、修改目标MAC(DR...
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Is there a way to crack the password on an Excel VBA Project?

...l VarPtr(HookBytes(1)), ByVal VarPtr(p), 4 HookBytes(5) = &HC3 MoveMemory ByVal pFunc, ByVal VarPtr(HookBytes(0)), 6 Flag = True Hook = True End If End If End Function Private Function MyDialogBoxParam(ByVal hInstance As Long, _ ...
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pycharm running way slow

... @Chris please refer to intellij-support.jetbrains.com/hc/articles/207241235 – CrazyCoder Apr 28 '16 at 16:52 3 ...
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开源MQTT网关:EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区,为创新赋能!

...时 EMQX 5.0 开创性地引入了下一代互联网协议 HTTP/3 的底层传输协议 QUIC 的支持,以解决复杂网络环境下的通信问题,提升整体吞吐量和移动连接的稳定性。此外,EMQX 也扩展支持 MQTT-SN、CoAP、LwM2M、STOMP 以及其他协议扩展。安全...
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Create the perfect JPA entity [closed]

...self struggling with issues as AccessType, immutable properties, equals/hashCode, ... . So I decided to try and find out the general best practice for each issue and write this down for personal use. I would not mind however for anyone to comment on it or to tell me where I'm wrong. ...
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2015年硅谷最火的高科技创业公司都有哪些 - 资讯 - 清泛网 - 专注C/C++及内核技术

...做的就是编写Map和reduce函数,像中间的排序和shuffle网络传输,容错处理,框架已经帮你做好了。 MapReduce模型有什么问题? 第一:需要写很多底层的代码不够高效,第二:所有的事情必须要转化成两个操作Map/Reduce,这本身就很...
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How to stop an unstoppable zombie job on Jenkins without restarting the server?

....each { println(it.fullName) }; From https://support.cloudbees.com/hc/en-us/articles/226941767-Groovy-to-list-all-jobs share | improve this answer | follow ...
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App Inventor 2数据存储组件之:微数据库,本地存储数据App下次启动可共享...

...认都是MIT服务器),它的原理就是用户A将数据通过网络传输到云服务器,然后用户B通过网络可以读取到用户A存储的数据,最典型的应用就是类似微信的聊天App了。 本地数据库一般指的就是“微数据库”,提供键、值方式的...
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IntelliJ IDEA hint parameters of method

...hints and found this post (bottom of page): intellij-support.jetbrains.com/hc/en-us/community/posts/…. Just leaving the link here for reference. – Robin Trietsch Sep 15 '17 at 6:23 ...