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Data Modeling with Kafka? Topics and Partitions

...type of consumer so in the example above, I would just have a single topic and if you´ll decide to push some other kind of data through Kafka, you can add a new topic for that later. Topics are registered in ZooKeeper which means that you might run into issues if trying to add too many of them, e....
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Is it good style to explicitly return in Ruby?

...g my own style guidelines but I'm thinking about releasing my source code, and I'd like it to adhere to any unwritten rules that might exist. ...
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Step-by-step debugging with IPython

... You can use IPython's %pdb magic. Just call %pdb in IPython and when an error occurs, you're automatically dropped to ipdb. While you don't have the stepping immediately, you're in ipdb afterwards. This makes debugging individual functions easy, as you can just load a file with %load...
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?

...L is always power of 2. The six comes from fact that 2^6 == 64 bytes is standard size of cache line. Now what does this mean? Well it means that if I have address X and address Y and (X >> 6) - (Y >> 6) is divisible by L (i.e. some large power of 2), they will be stored in the same ca...
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Long-lasting FB access-token for server to pull FB page info

I'm aware that there are many questions about Facebook access-tokens and the grief they cause, but despite much experimentation and reading many frustratingly vague blog articles (FB and otherwise), I'm still struggling to get a clear answer to my needs. Let me succinctly break down my process so fa...
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Android and setting width and height programmatically in dp units

... formula is in the docs. For further reading, go to section 3 of developer.android.com/guide/practices/… – SK9 Mar 20 '11 at 1:49 35 ...
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Login to Microsoft SQL Server Error: 18456

...rver Management Studio in the object explorer: Right click on the server and click Properties Go to the Security page Under Server authentication choose the SQL Server and Windows Authentication mode radio button Click OK Restart SQL Services ...
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How can I auto-elevate my batch file, so that it requests from UAC administrator rights if required?

...only if there's an Access Denied error? Or, you could simply have the commands for the xcopy and reg.exe always be run with psexec -h, but it would be annoying for the end-user if they need to input their password each time (or insecure if you included the password in the script)... ...
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Convert Datetime column from UTC to local time in select statement

I'm doing a few SQL select queries and would like to convert my UTC datetime column into local time to be displayed as local time in my query results. Note, I am NOT looking to do this conversion via code but rather when I am doing manual and random SQL queries against my databases. ...
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Failed to Attach to Process ID Xcode

... Resetting the content and settings in the simulator worked for me. This is available in the "iOS Simulator" menu. share | improve this answer ...