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How to make Java honor the DNS Caching Timeout?
...a fixed domain name. Through some DNS magic, the domain name is resolved into an IP that's closest to the server with least load. For the load-balancing to work, the application server needs to honor the TTL from DNS response and to resolve the domain name again when cache times out. However, I coul...
Performance optimization strategies of last resort [closed]
...re are plenty of performance questions on this site already, but it occurs to me that almost all are very problem-specific and fairly narrow. And almost all repeat the advice to avoid premature optimization.
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Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?
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Good to see someone's chimed in about Lucene - because I've no idea about that.
Sphinx, on the other hand, I know quite well, so let's see if I can be of some help.
Result relevance ranking is the default. You can set up your o...
Go to beginning of line without opening new line in VI
For ages now I've used SHIFT O and SHIFT $ to move to the beginning and end of a line in vi .
10 Answers
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Transferring an app to another Firebase account
...ve a few apps under my personal firebase account for testing, but now need to transfer an app to a client's account for billing purposes. Is this possible?
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What does do?
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October 2015 Update
This answer was posted several years ago and now the question really should be should you even consider using the X-UA-Compatible tag on your site? with the changes Microsoft has made to its browsers (more ...
Is it a good practice to place C++ definitions in header files?
My personal style with C++ has always to put class declarations in an include file, and definitions in a .cpp file, very much like stipulated in Loki's answer to C++ Header Files, Code Separation . Admittedly, part of the reason I like this style probably has to do with all the years I spent coding...
Copy all the lines to clipboard
Is there any way to copy all lines from open file to clipboard in VI editor. I tried y G but it's not using clipboard to store those lines.
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How to use Git?
...ve a look at git for designers for great one page article/high level intro to the topic. (That link is broken: Here is a link to another Git for Designers )
I would start at http://git-scm.com/documentation, there are documents and great video presentations for non-software-developer/cs users. Git...
How to make a great R reproducible example
...le example consists of the following items:
a minimal dataset, necessary to demonstrate the problem
the minimal runnable code necessary to reproduce the error, which can be run on the given dataset
the necessary information on the used packages, R version, and system it is run on.
in the case of r...