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Purge Kafka Topic
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Temporarily update the retention time on the topic to one second:
kafka-topics.sh --zookeeper <zkhost>:2181 --alter --topic <topic name> --config retention.ms=1000
And in newer Kafka releases, you can also do it with kafka-configs --entity-type ...
onActivityResult() & onResume() [duplicate]
Could someone tell me which gets called first, is it onActivityResult() or is it onResume() ?
Example:
3 Answers
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Remove stubborn underline from link
...applying text-decoration: none; to an anchor (.boxhead a) but to a span element (.boxhead).
Try this:
.boxhead a {
color: #FFFFFF;
text-decoration: none;
}
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I keep getting “Uncaught SyntaxError: Unexpected token o”
I'm trying to learn some html/css/javascript, so I'm writing myself a teaching project.
9 Answers
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pod install -bash: pod: command not found
I installed pod some time ago. However, it's stopped working so I'm working through this again.
21 Answers
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How can I read a text file in Android?
...d the text from a text file. In the code below, an exception occurs (that means it goes to the catch block). I put the text file in the application folder. Where should I put this text file (mani.txt) in order to read it correctly?
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Preferred way to create a Scala list
...able ListBuffer, create a var list and modify it, use a tail recursive method, and probably others that I don't know about.
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Dictionaries and default values
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Like this:
host = connectionDetails.get('host', someDefaultValue)
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Get names of all keys in the collection
I'd like to get the names of all the keys in a MongoDB collection.
21 Answers
21
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How do I concatenate two text files in PowerShell?
...tenate more than two files with this style, too.
If the source files are named similarly, you can use wildcards:
Get-Content inputFile*.txt | Set-Content joinedFile.txt
Note 1: PowerShell 5 and older versions allowed this to be done more concisely using the aliases cat and sc for Get-Content and Se...