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Using Kafka as a (CQRS) Eventstore. Good idea?
... re-applying all events in the stream. Each Kafka topic consists of one or more partitions and each partition is stored as a directory on the file system. There will also be pressure from ZooKeeper as the number of znodes increases.
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How to check a not-defined variable in JavaScript
...ct quote from a mailing list, & should probably be edited to make that more clear, as the original author is not available to clarify.
– Jason S
May 13 '09 at 15:46
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Copying files using rsync from remote server to local machine
...e so /path/to/local/storage/copy. If that's what you want great. However a more common scenario is you want to copy the contents of the remote directory into a directory in your local. Then you would do /path/to/copy/ which would place the contents inside the directory /path/to/local/storage without...
How to check if object has any properties in JavaScript?
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Should I initialize variable within constructor or outside constructor [duplicate]
...ay. With style 1, you need to look at the constructor as well.
If you have more than one constructor, you don't have to repeat the initializations (and you cannot forget them).
Of course, if the initialization value is different in different constructors (or even calculated in the constructor), yo...
adding and removing classes in angularJs using ng-click
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What about if I want use this code for more than one div in the same view? this code actuali change class for all div, how I can apply class only to the selected clicked item
– xzegga
Apr 24 '14 at 4:44
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Loop through an array of strings in Bash?
...problem with this approach? In simple cases it seems to work and, then, is more intuitive than @anubhava's answer.
– Dr. Jan-Philip Gehrcke
Aug 30 '12 at 11:54
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How to “EXPIRE” the “HSET” child key in redis?
...se. This allows all those keys to fall in the same hash slot. You can read more about it here: https://redis.io/topics/cluster-tutorial
Now if we want to do the same operation of hashes, we could do:
HDEL hash_top_key child_key_1 => DEL {hash_top_key}child_key_1
HGET hash_top_key child_key_1 =...