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Setting log level of message at runtime in slf4j

...), I think the pragmatic solution is modify the unit test(s) to hard-wire knowledge of what logging system is behind the slf4j facade ... when running the unit tests. share | improve this answer ...
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Is there a performance difference between a for loop and a for-each loop?

... Yes, but that counter is now visible outside of the loop. Sure, it's a simple fix but so is for-each! – Indolering Nov 4 '12 at 5:19 ...
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Definition of “downstream” and “upstream”

...ushing to upstream ("otherRepo" is still "upstream", where the information now goes back to). Note the "from" and "for": you are not just "downstream", you are "downstream from/for", hence the relative aspect. The DVCS (Distributed Version Control System) twist is: you have no idea what downstr...
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Cancel split window in Vim

I have split my windows horizontally. Now how can I return to normal mode, i.e. no split window just one window without cancelling all of my open windows. I have 5 and do not want to "quit", just want to get out of split window. ...
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Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?

...is will throw a NullReferenceException in the second line and you want to know why .NET doesn't tell you that it was s that was null when the exception was thrown. To understand why you don't get that piece of information you should remember that it is not C# source that executes but rather IL: I...
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Comparison of JSON Parser for Objective-C (JSON Framework, YAJL, TouchJSON, etc)

As far as I know, there are three JSON Parsers for Objective-C, JSON Framework , YAJL , and Touch JSON . Then, These three would have their own characteristics. For example: YAJL can be used as a SAX style parser. JSON Framework has relatively long history and is widely used. Touch JSO...
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Why is Go so slow (compared to Java)?

...fically, the goroutine scheduler isn't pre-emptive). Beyond that, I don't know Google's plans, whether the g compilers will ever be fiercely optimising, or if only gccgo will. – Steve Jessop Apr 24 '10 at 17:46 ...
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Cache busting via params

... That blog post is approaching a decade old now. Do you think that cache providers and CDNs have yet to accommodate it? Squid seems to be able to cache documents with query strings now. – jeteon Mar 9 '16 at 22:44 ...
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Why is the clone() method protected in java.lang.Object?

...opy = ((Cloneable) a).clone(); } I think that the design of Cloneable is now largely regarded as a mistake (citation below). I would normally want to be able to make implementations of an interface Cloneable but not necessarily make the interface Cloneable (similar to the use of Serializable). Thi...
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How do I install the yaml package for Python?

...Note that PySyck docs recommend using PyYaml, since syck is out of date). Now you know a specific package name, you can install it: $ pip install pyyaml If you want to install python yaml system-wide in linux, you can also use a package manager, like aptitude or yum: $ sudo apt-get install pyth...