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ValueError : I/O operation on closed file
Here, p is a dictionary, w and c both are strings.
2 Answers
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Are HLists nothing more than a convoluted way of writing tuples?
I am really interested in finding out where the differences are, and more generally, to identify canonical use cases where HLists cannot be used (or rather, don't yield any benefits over regular lists).
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How to use phpexcel to read data and insert into database?
I have a php application where I want to read data from excel, Insert into database and then generate pdf reports for specific users.
I searched a lot but nothing specific given about both things.
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What is the equivalent of the C++ Pair in Java?
Is there a good reason why there is no Pair<L,R> in Java? What would be the equivalent of this C++ construct? I would rather avoid reimplementing my own.
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Using GCC to produce readable assembly?
I was wondering how to use GCC on my C source file to dump a mnemonic version of the machine code so I could see what my code was being compiled into. You can do this with Java but I haven't been able to find a way with GCC.
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Junit: splitting integration test and Unit tests
I've inherited a load of Junit test, but these tests (apart from most not working) are a mixture of actual unit test and integration tests (requiring external systems, db etc).
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Using multiple property files (via PropertyPlaceholderConfigurer) in multiple projects/modules
We are currently writing an application which is split into multiple projects/modules. For example, let's take the following modules:
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Rails render partial with block
I'm trying to re-use an html component that i've written that provides panel styling. Something like:
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Effects of the extern keyword on C functions
In C, I did not notice any effect of the extern keyword used before function declaration.
At first, I thought that when defining extern int f(); in a single file forces you to implement it outside of the file's scope. However I found out that both:
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How do I enable language extensions from within GHCi?
I'm trying to enable XRankNTypes in GHCi. How do I do this?
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