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How do I pass extra arguments to a Python decorator?
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When I catch an exception, how do I get the type, file, and line number?
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How does the MapReduce sort algorithm work?
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Difference: std::runtime_error vs std::exception()
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Is there an R function for finding the index of an element in a vector?
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What are the correct version numbers for C#?
...ch is at version 2.0 for .NET 2.0 through 3.5, .NET 4 introducing CLR 4.0, service packs notwithstanding. The CLR in .NET 4.5 has various improvements, but the versioning is unclear: in some places it may be referred to as CLR 4.5 (this MSDN page used to refer to it that way, for example), but the E...
Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
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Ruby on Rails production log rotation
...g: Rails log, Rpush log, ...
You can use like this in your config file of service:
config.log_file = 'log/rpush.log'
config.logger = ActiveSupport::Logger.new(config.log_file, 1, 20*1024*1024)
It means: only save 1 previous log file after split.
Main log size never over 20 MB.
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Java concurrency: Countdown latch vs Cyclic barrier
...ered the barrier is reset and can be used again.
For simple use cases - services starting etc... a CountdownLatch is fine. A CyclicBarrier is useful for more complex co-ordination tasks. An example of such a thing would be parallel computation - where multiple subtasks are involved in the compu...
How to access route, post, get etc. parameters in Zend Framework 2
...cess to plugin for instance outside of controller You can get params from servicelocator like this
//from POST
$foo = $this->serviceLocator->get('request')->getPost('foo');
//from GET
$foo = $this->serviceLocator->get('request')->getQuery()->foo;
//from route
$foo = $this->...