甲骨文這個影片介紹大概是我看過能在最短時間介紹blockchaing的影片了，不到一分鐘
區塊(Block)跟鍊(Chain)是兩個不同的東西
https://www.oracle.com/tw/blockchain/what-is-blockchain/
2022年4月18日 星期一
Ｗhat is blockchain(區塊鏈)
2022年3月29日 星期二
Azure storage queue API return "The value for one of the HTTP headers is not in the correct format."
The cause was possible backward incompatible issue. After the view researching, it could be resolved by changed the request header 'x-ms-version' from the one your library used to old one "2019-07-07"
2022年3月25日 星期五
How to trigger a kubenetes schedule job manually
kubectl create job --from=cronjob/[cronjob name] [new job] -n [namespace]
sometimes you may encounter the error such as
"error: unknown object type *v1beta1.CronJob"
it was caused by the kubectl is different version. you can download the old one to resolve issue
$ kubectl version
Client Version: version.Info{Major:"1", Minor:"23", GitVersion:"v1.23.5", GitCommit:"c285e781331a3785a7f436042c65c5641ce8a9e9", GitTreeState:"clean", BuildDate:"2022-03-16T15:58:47Z", GoVersion:"go1.17.8", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"19", GitVersion:"v1.19.15", GitCommit:"0f9140665765825f8a4187cefd055e4b350b4a36", GitTreeState:"clean", BuildDate:"2021-09-17T23:04:02Z", GoVersion:"go1.15.15", Compiler:"gc", Platform:"linux/amd64"}
WARNING: version difference between client (1.23) and server (1.19) exceeds the supported minor version skew of +/-1
for me, my kubectl client is v1.23.5, but server is older version wiht v1.19.15, therefor I downgraded to the older one to resolve the issue
curl -LO https://dl.k8s.io/release/v1.19.15/bin/linux/amd64/kubectl
2022年3月20日 星期日
2022年3月9日 星期三
How to convert the ^M linebreak in a bash script
Use vim to edit the file and convert it to the unix format
:set ++ff=dos ==> ms-dos format
:set ff=unix ==>.unix format
2022年3月6日 星期日
How to group Ankiweb deck
use "::" to separate it
for example:
- group1::sub1
- group1::sub2
it will group decks "sub1" and "sub2" in folder "group1"
How to generate Anki Decks
1.use iphone to take a picture
- you can choice use iphone to take OCR or directly take picture and covert it by yourself (From .HEIC format to png format)
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