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localstack 으로 sqs 만들기 python3 -m pip install localstack chmod 777 /var/run/docker.sock sudo chmod 777 /var/run/docker.sock localstack start -d pip install awscli-local which awslocal cd ~/.local/bin awslocal sqs create-queue --queue-name sample-queue ~/.local/bin$ awslocal sqs create-queue --queue-name sample-queue{ "QueueUrl": "http://sqs.us-east-1.localhost.localstack.cloud:4566/000000000000/sample-queue"} 공감수 0 댓글수 0 2024. 9. 11.
sqs receive_message # response = sqs_client.receive_message# queue 가 비었을 때{ "ResponseMetadata": { "HTTPHeaders": { "content-length": "2", "content-type": "application/x-amz-json-1.0", "date": "Wed, 11 Sep 2024 06:33:04 GMT", "server": "TwistedWeb/24.3.0", "x-amzn-requestid": "fb6a358f-f955-4ffa-b3a8-360533218623" }, "HTTPStatusCode": 200.. 공감수 0 댓글수 0 2024. 9. 11.
세 줄 이상 빈 줄을 두 줄로 줄이기 # 세 줄 이상 빈 줄을 두 줄로 줄이기sed -i -r ':a; /^\s*$/ {N;ba}; s/( *\n *){2,}/\n\n/' a.txt 공감수 0 댓글수 0 2024. 9. 11.
systemctl stop tomcat systemctl status tomcatsystemctl start tomcat systemctl status tomcat # systemctl stop tomcat systemctl status tomcat systemctl start tomcat systemctl status tomcat 공감수 0 댓글수 0 2022. 12. 22.
linux, cp -p cp -p file1 file2 파일의 소유자, 그룹, 권한, 시간 정보를 보전한 채로 복사 (https://deeds-not-words.tistory.com/entry/CP-%EB%AA%85%EB%A0%B9%EC%96%B4-%EC%98%B5%EC%85%98) 공감수 0 댓글수 0 2022. 12. 22.
node.js, ejs, Failed to lookup view in views directory "/views" // error fix :Failed to lookup view in views directory "/views" app.set('views', path.join(__dirname, 'views')); 공감수 0 댓글수 0 2022. 4. 21.
node express app.put req json app.use(express.json()); app.use(express.urlencoded({extended:true})); ... app.put('/location/:loc_cd', function(req,res) { var loc_cd = req.params.loc_cd; console.log('Put Parameter = ' + loc_cd); var loc_nm = req.body["loc_nm"]; console.log('Put loc_nm = ' + loc_nm); }) 공감수 0 댓글수 0 2022. 4. 5.
php apache setting https://fifo22.tistory.com/34 공감수 0 댓글수 0 2021. 12. 2.
javascript, querySelectorAll document.querySelectorAll("input[type='checkbox']"); (https://developer.mozilla.org/ko/docs/Web/API/Document/querySelectorAll) 공감수 0 댓글수 0 2021. 11. 30.
springboot, logging @Slf4j log.info() https://programmer93.tistory.com/64 공감수 0 댓글수 0 2021. 11. 23.
java, phone number strPhone.replaceFirst("(^02|[0-9]{3})([0-9]{3,4})([0-9]{4})$", "$1"+"-"+"$2"+"-"+"$3"); // 01012345678 -> 010-1234-5678 공감수 0 댓글수 0 2021. 11. 22.
mysql, weighted random select drop table test1; create table test1 (id varchar(10), weight int, height int ); delete from test1; insert into test1 values('id20', 20, 150); insert into test1 values('id30', 30, 140); insert into test1 values('id50', 50, 130); SELECT test1.* FROM test1 JOIN ( SELECT id,weight FROM test1 ORDER BY RAND() * ( 1 / weight) LIMIT 1 ) t2 USING (id) ; (https://www.tek-tips.com/viewthread.cfm?qid=1296084) 공감수 0 댓글수 0 2021. 11. 15.
java, gradle project eclipse 에서 설정 project 선택 > 우마우스 > Configure > Add Gradle Nature (https://stackoverflow.com/questions/14751276/eclipse-not-recognizing-project-as-gradle-project/28313449) 공감수 0 댓글수 0 2021. 11. 10.
mysql, pivot WITH RECURSIVE unwound AS ( SELECT CONCAT(1,',',2,',',3) AS colors UNION ALL SELECT regexp_replace(colors, '^[^,]*,', '') colors FROM unwound WHERE colors LIKE '%,%' ) SELECT regexp_replace(colors, ',.*', '') colors FROM unwound (https://stackoverflow.com/questions/17308669/what-is-the-opposite-of-group-concat-in-mysql) 공감수 0 댓글수 0 2021. 11. 2.
Gson, \u003d // // \u003d (=) 에러 String req = new GsonBuilder().create().toJson(sendObj); String req = new GsonBuilder().disableHtmlEscaping().create().toJson(sendObj); (https://acet.pe.kr/519) 공감수 0 댓글수 0 2021. 10. 26.
spring boot, must not be empty (비어 있을 수 없습니다) @NotEmpty private String userId; --> /* @NotEmpty */ private String userId; (https://tecoble.techcourse.co.kr/post/2020-09-20-validation-in-spring-boot/) 공감수 0 댓글수 0 2021. 10. 26.
JPA, native query mapping with SqlResultSetMapping https://stackoverflow.com/questions/25188939/how-to-map-the-result-set-of-a-jpa-nativequery-to-a-pojo-using-sqlresultsetmappi 공감수 0 댓글수 0 2021. 10. 6.
bash, parameter (https://stackoverflow.com/questions/12711786/convert-command-line-arguments-into-an-array-in-bash/12711837) #!/bin/bash echo "Dollar-1 : $1" echo "Dollar-2 : $2" echo "Dollar-3 : $3" echo "Dollar-AT: $@" echo "" myArray=( "$@" ) echo "A Val 0: ${myArray[0]}" echo "A Val 1: ${myArray[1]}" echo "A Val 2: ${myArray[2]}" echo "A All Values: ${myArray[@]}" 공감수 0 댓글수 0 2021. 9. 29.
spring, @Controller @RestController 보호되어 있는 글입니다. 공감수 0 댓글수 0 2021. 9. 24.
java, Gson $ cat build.gradle ... dependencies { .... implementation 'com.google.code.gson:gson' ... } ... $ cat GsonTest.java ... import com.google.gson.GsonBuilder; ... String req = new GsonBuilder().create().toJson(obj); ... Mono result = webClient.mutate() .build() .post() .uri(uri) .header("Content-Type", "application/json") .header("openapikey", openapikey()) .bodyValue(req) .accept(MediaType.APPLICA.. 공감수 0 댓글수 0 2021. 9. 24.
java, Gson $ cat build.gradle ... dependencies { .... implementation 'com.google.code.gson:gson' ... } ... $ cat GsonTest.java ... import com.google.gson.GsonBuilder; ... String req = new GsonBuilder().create().toJson(obj); ... Mono result = webClient.mutate() .build() .post() .uri(uri) .header("Content-Type", "application/json") .header("openapikey", openapikey()) .bodyValue(req) .accept(MediaType.APPLICA.. 공감수 0 댓글수 0 2021. 9. 7.
java, of (lombok @Data) you can create new instances of Foo by writing: Foo.of(5); instead of having to write: new Foo(5);. (https://projectlombok.org/features/Data) 공감수 0 댓글수 0 2021. 8. 31.
python, No module named pip $ curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py $ python get-pip.py 공감수 0 댓글수 0 2021. 8. 27.
python, check url image exists import requests def exists(path): r = requests.head(path) return r.status_code == requests.codes.ok url='url='https://static01.nyt.com/images/2021/08/25/us/politics/25dc-lawmakers1/merlin_158041143_78d36ee5-264a-4431-b384-13d19ae386ec-superJumbo.jpg' if (exists(url)): print ('OK') else: print ('not exists:'+url) 공감수 0 댓글수 0 2021. 8. 26.
JPA, DTO, Could not resolve column name in result set (X) SELECT COLUMN_NAME FROM .... (O) SELECT COLUMN_NAME as columnName FROM ... 공감수 0 댓글수 0 2021. 8. 25.
mysql , recursive (https://unrealengine.tistory.com/163) CREATE TABLE emp ( id INT AUTO_INCREMENT PRIMARY KEY, ename VARCHAR(255), parent_id INT DEFAULT 0 REFERENCES id ); INSERT INTO emp VALUES (1, 'name1', 0), (2, 'name2', 1), (3, 'name3', 1), (4, 'name4', 3), (5, 'name5', 0), (6, 'name6', 3), (7, 'name7', 4), (8, 'name8', 5), (9, 'name9', 8), (10, 'name10',8); WITH RECURSIVE tmp1 AS ( SELECT id, ename, parent_.. 공감수 0 댓글수 0 2021. 8. 23.
eclipse, web module version Servlet SpecJSP SpecEL SpecWebSocket SpecAuthentication (JASIC) SpecApache Tomcat VersionLatest Released VersionSupported Java Versions 6.0 TBD TBD TBD TBD 10.1.x 10.1.0-M4 (alpha) 11 and later 5.0 3.0 4.0 2.0 2.0 10.0.x 10.0.10 8 and later 4.0 2.3 3.0 1.1 1.1 9.0.x 9.0.52 8 and later 3.1 2.3 3.0 1.1 1.1 8.5.x 8.5.70 7 and later 3.1 2.3 3.0 1.1 N/A 8.0.x (superseded) 8.0.53 (superseded) 7 and la.. 공감수 0 댓글수 0 2021. 8. 23.
aws, python3 boto3 설치 $ sudo yum install python37 $ python --version $ python3 --version $ curl -O https://bootstrap.pypa.io/get-pip.py $ python3 get-pip.py --user $ pip --version $ pip install boto3 공감수 0 댓글수 0 2021. 8. 18.
aws, upload data with python $cat upload_aws.py # pip install boto3 import boto3 s3_resource = boto3.resource( 's3', aws_access_key_id='XXXXXXXXXXXXXXXXXXX', aws_secret_access_key='XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX', region_name='ap-northeast-2', ) bucket_name='XXX' souce_path='source.jpg' target_path='to/target/path/target.jpg' data = open(souce_path, 'rb') s3_resource.Bucket(bucket_name).put_object(Body=data, Key=tar.. 공감수 0 댓글수 0 2021. 8. 18.
eclipse, WebContent rename .settings/org.eclipse.wst.common.component, and change following line: Change /WebContent to your preferred directory. I use this for a several years now and encountered no problems with it. (https://stackoverflow.com/questions/1581683/how-do-i-change-in-an-eclipse-web-project-the-webcontent-folder-to-something-dif) 공감수 0 댓글수 0 2021. 8. 18.

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