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Delete topic in Kafka 0.8.1.1
...me, the bug got fixed and the deletion command is now officially available from Kafka 0.8.2.0 as:
bin/kafka-topics.sh --delete --zookeeper localhost:2181 --topic test
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Copying files from Docker container to host
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In order to copy a file from a container to the host, you can use the command
docker cp <containerId>:/file/path/within/container /host/path/target
Here's an example:
$ sudo docker cp goofy_roentgen:/out_read.jpg .
Here goofy_roentgen is...
Add & delete view from Layout
How can I add & delete a view from a layout?
10 Answers
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fetch from origin with deleted remote branches?
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From http://www.gitguys.com/topics/adding-and-removing-remote-branches/
After someone deletes a branch from a remote repository, git will not
automatically delete the local repository branches when a user does a
git ...
Could not load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly 'mscorlib
... Could not load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly mscorlib
Yes, this technically can go wrong when you execute code on .NET 4.0 instead of .NET 4.5. The attribute was moved from System.Core.dll to mscorlib.dll in .NET 4.5. While that sounds like a rather na...
What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?
...assic HTTP web traffic first.
Regular HTTP:
A client requests a webpage from a server.
The server calculates the response
The server sends the response to the client.
Ajax Polling:
A client requests a webpage from a server using regular HTTP (see HTTP above).
The client receives the reques...
Fitting empirical distribution to theoretical ones with Scipy (Python)?
INTRODUCTION : I have a list of more than 30,000 integer values ranging from 0 to 47, inclusive, e.g. [0,0,0,0,..,1,1,1,1,...,2,2,2,2,...,47,47,47,...] sampled from some continuous distribution. The values in the list are not necessarily in order, but order doesn't matter for this problem.
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Best Practice: Software Versioning [closed]
...se a new version to the outside world.
So If you make a major change move from version 1.0.0.0 to version 2.0.0.0 (you changed from WinForms to WPF for example). If you make a smaller change move from 1.0.0.0 to 1.1.0.0 (you added support for png files). If you make a minor change then go from 1.0....
Convert UTC datetime string to local datetime
I've never had to convert time to and from UTC. Recently had a request to have my app be timezone aware, and I've been running myself in circles. Lots of information on converting local time to UTC, which I found fairly elementary (maybe I'm doing that wrong as well), but I can not find any informat...
How to call a parent class function from derived class function?
How do I call the parent function from a derived class using C++? For example, I have a class called parent , and a class called child which is derived from parent. Within
each class there is a print function. In the definition of the child's print function I would like to make a call to the ...