2022-07-21

ajax, upload file, json string, Spring Controller, DTO

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  Googled: json to dto spring boot controller Resolved by follow the example on:  Spring Boot controller - Upload Multipart and JSON to DTO ...

couldn't parse json attribute to java object attribute.

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  private boolean isRequiredFtpToSSS; public void setRequiredFtpToSSS(boolean isRequiredFtpToSSS) { this.isRequiredFtpToSSS = isRequi...

Jackson JSON parsing from string to date.

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  @JsonFormat(pattern = "yyyy-MMM-dd") private Date dateFrom; not sure if were causing by: MethodArgumentConversionNotSupporte...

jquery 3.3.1 change checkbox checked

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  Found:  Make checkbox value checked with jQuery or JavaScript but seems not the same case. the one i'm using. $("#chkHasDateTo...

Jquery Datepicker: click on a checkbox, then open/pop datepicker of a textbox.

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  click on a checkbox, then open/pop datepicker of a textbox. if($("#chkHasDateTo").is(":checked")){ $( "#da...
2022-07-13

全 #Lesley [Legend V] #MVP 7.7/6 4 6 | $13383 202206142025

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  全 #Lesley [Legend V] #MVP 7.7/6 4 6 | $13383 202206142025 https://youtu.be/tnp0nELuY8Q via @YouTube #MLBB 

Java does new instance consume many memory

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  Found: https://stackoverflow.com/a/258150 Measurement methods You can use  Instrumentation.getObjectSize()  to obtain an estimate of the s...

eclipse maven "JUnit" "javaagent"

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  eclipse maven "JUnit" "javaagent" Found this: https://stackoverflow.com/a/35775792 You can use  ea-agent-loader With i...

全 #Rafaela [Epic I] #MVP 9.6/4 3 21 | $8313 202205281332 https://youtu.be/jUNpF3a8HPI via @YouTube #MLBB

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  全 #Rafaela [Epic I] #MVP 9.6/4 3 21 | $8313 202205281332 https://youtu.be/jUNpF3a8HPI via @YouTube #MLBB 
2022-07-12

eclipse added hotkey for svn actions are not working.

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  SVN key bindings not working in Eclipse Reference URL: https://stackoverflow.com/a/3640441 It may be due to this breaking change in Eclips...
2022-07-06

Resolved - @PreUpdate not working in JUnit test.

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  javax.persistence.PreUpdate object need to be "dirty" to trigger... obj.setColumn01("text"); repo.save(obj); then make...
2022-07-01

Setup local Keycloak for development

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  https://stackoverflow.com/a/72600716 Keycloak 18.0.2 doesn't required "/auth" as endpoint new config: keycloak.auth-server-u...

Respective Keycloak role in Spring Boot authRole config

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  keycloak.securityConstraints[0].authRoles[0]=xyz Respective config in Keycloak (18.0.2) In user Role mappings:

Different of SVNs

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 SVN Getting(install) SVN feature from Eclipse Marketplace... VS  Install New Software Eclipse Marketplace... Install New Software http://su...

subclipse.tigris.org no longer available...

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  http://subclipse.tigris.org/update_1.10.x http://subclipse.tigris.org/update_1.6.x above are not reachable... Found a post telling to get ...
2022-06-10

"Spring" JPA "native query" java.lang.IndexOutOfBoundsException: Index: 1, Size: 1

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  "Spring" JPA "native query" java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 Exception Snippet: java.lang.IndexO...

JUnit test - Caused by: javax.persistence.RollbackException: Transaction marked as rollbackOnly

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  Exception snippet: 12:02:34.849|WARN |Caught exception while allowing TestExecutionListener [org.springframework.test.context.transaction....
2022-05-31

Alternative - Error Code: 1093. You can't specify target table 'YOUR_TABLE' for update in FROM clause

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  Error Code: 1093. You can't specify target table 'YOUR_TABLE' for update in FROM clause UPDATE YOUR_TABLE SET columnA = 'd...
2022-04-20

JasperReport, always get blank PDF?

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  line below with new JREmptyDataSource()  will get pdf as per expected. jasperPrint = JasperFillManager.fillReport(report, jrParam, new JRE...
2022-04-14

Multiple JasperPrint into a pdf with output as file and byte[]

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 Multiple JasperPrint into a pdf with output as file and byte[] JasperExportManager.exportReportToPdf vs JRPdfExporter.exportReport() Found:...