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redis-cli --scan --pattern *displayed* | xargs redis-cli del

Source: https://rdbtools.com/blog/redis-delete-keys-matching-pattern-using-scan

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Following diagram depicts Jenkins as the test runner. Zalenium Hub spawns docker containers that each one include target browsers that we want to run our test on.

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uniq araci sadece komsu satirlari kullanarak tekillestirme yapar.

$ cat test.txt
a
a
a
b
b
c

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Couchbase'de bir dokumani kismi olarak guncellemek icin tum dokumani cekip, guncellemeyi yapip tekrar kaydediyoruz. Bunun yerine 4.5 ile gelen SubDocument yapisi kullanilabilir.

Kaynak: https://docs.couchbase.com/java-sdk/2.7/subdocument-operations.html

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25 Sept 2019

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select 5 from unnest(sequence(1, 6))

-- generates 6 row containing '5' as an example data
-- column
-- 5
-- 5
-- 5
-- 5
-- 5
-- 5

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Yaml dosyalarda yes, on, true gibi degerlerin hepsi boolean true degerine eslestiriliyor. Bu da gozden kactiginda tespiti zor buglara neden oluyor.

Bu tarz sorunlardan bastan kacinmak icin string alanlari cift tirnak ile cevrelemek iyi bir pratik.

Kotu ornek:

watermark:
  - no
  - yes

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If you got following error when you try to run your Flink job on local.

Caused by: java.lang.ClassNotFoundException: org.apache.flink.api.scala.typeutils.CaseClassTypeInfo

Then change your provided scoped Flink dependencies to compile scope.

On IntelliJ it can be done using Project Structure window:

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Assuming SPARK_HOME=/spark246

• Put logback.xml into $SPARK_HOME/conf
• Create additionaljars directory under $SPARK_HOME
• Download required logback and logback-gelf related jars into additionaljars directory
  • log4j-over-slf4j-1.7.30.jar
  • logback-core-1.2.3.jar
  • logback-classic-1.2.3.jar
  • logback-gelf-2.2.0.jar
• Tell Spark to use custom jar folder additionaljars as primarily classpath folder using following spark-submit parameters:

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git tag VERSION
git push origin tag VERSION
pod trunk push