Implementation of uploading / downloading OSS files for iOS Alibaba cloud object storage

In previous projects, resource files such as pictures and voice were directly uploaded to the server, and then processed and stored by the server. In this recent project, the server opens the OSS directly, and then the client uses it directly Alibaba cloud Provide upload and download functions to upload and download resources.Alibaba cloud The ...

Posted by ajcalvert on Mon, 07 Mar 2022 21:41:25 +0100

Lighter! Harmonic cloud edge computing contribution won CNCF official praise again

Recently, the official website of CNCF(Cloud Native Computing Foundation) published an article jointly written by Jin Chen, an R & D Intern of harmonic cloud edge computing, and Vivian Hu from Second State - "using OpenYurt to manage WasmEdge|lightweight edge computing solution".This paper introduces how the edge computing framewo ...

Posted by crabfinger on Tue, 22 Feb 2022 04:45:06 +0100

Java 8 feature book (latest version)

1, PrefaceJava 8 is a milestone version, which is full of praise with the following new features.Lambda expression brings a new style and ability to code construction;Steam API enriches collection operations and expands the ability of collection;The new date and time API comes out after a thousand calls;With the in-depth understanding of the ne ...

Posted by Kev on Wed, 19 Jan 2022 08:00:19 +0100

Build DNS server in Intranet

Build DNS server in IntranetDNS:Domain Name Service, domain name resolution serviceListening port: udp/53, tcp/53Application: bindRoot domain:Primary domain:Organization domain: com, .org, .net, .mil, .edu, .gov, .info, .cc, .me, .tvCountry domain: cn, .us, .uk, .jp, .tw, .hk, .iq, .irReverse domain: in-addr.arpaDNS record type: the DNS domain ...

Posted by steelmanronald06 on Tue, 28 Dec 2021 19:45:12 +0100

[technical grass planting] how to solve the problem that the CPU of CKafka tuning note consumption accumulation service is not full?

1. BackgroundThe Proxy service is responsible for consuming and parsing CKafka messages, and distributing messages to different CKafka topic s. Recently, it was found that the Proxy service consumption CKafka has message accumulation, and the CVM CPU and memory resources where the service is located only occupy about 50%.As shown in the figure, ...

Posted by YOUAREtehSCENE on Fri, 19 Nov 2021 08:40:58 +0100