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Ruby on Rails: How do you add add zeros in front of a number if it's under 10?

... If you know you're starting with a string representation of a number, I like this better than sprintf for performance. Using rjust avoids the cost of parsing sprintf's format string, converting a string to a number, and converting that number b...
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Targeting .NET Framework 4.5 via Visual Studio 2010

...gling with VS2010/DNFW 4.5 integration and have finally got this working. Starting in VS 2008, a cache of assemblies was introduced that is used by Visual Studio called the "Referenced Assemblies". This file cache for VS 2010 is located at \Reference Assemblies\Microsoft\Framework.NetFramework\v4....
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Exclude folders from Eclipse search

... When I tried, this it worked for filtering search results, but I started getting errors "Errors running builder 'AspectJ Builder' on project 'Mercadosa-webapp'. Resource already exists on disk: '/MyProject/target/MyProject-1.0/WEB-INF/freemarker/site/file.ftl'. Resource already exists on d...
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How to convert comma-delimited string to list in Python?

...ng. res.append(sub_str) # reset sub_str to start over sub_str = '' else: # c is not a deilmeter. then it is # part of the string. sub_str += c # there may not be delimeter at end of data. # if sub_s...
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How to get position of a certain element in strings vector, to use it as an index in ints vector?

...know about pointer arithmetic can be applied to vector iterators as well. Starting with C++11 you can use std::distance in place of subtraction for both iterators and pointers: ptrdiff_t pos = distance(Names.begin(), find(Names.begin(), Names.end(), old_name_)); ...
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What's the status of multicore programming in Haskell?

...A collection of reading material on parallelism in Haskell to help you get started The Snap guys are getting 45k req/sec on their 4 way box, by using all the cores. Even the Erlang guys are taking notice. Meanwhile, there is work to make the IO manager more scalable -- now with a paper on the design...
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error: use of deleted function

... I guess that would explain why I have never seen it before as I have just started using gcc4.6 recently. – shuttle87 May 11 '11 at 15:33 2 ...
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How to merge a list of lists with same type of items to a single list of items?

...se IEnumerables into one big one. In this case you have a list of lists to start, so if you want to concatenate them the function to map from a TSource (which is an IEnumerable of TResults) to an IEnumerable of TResults is the identity function (x => x). This is really just a special case where y...
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Boolean vs tinyint(1) for boolean values in MySQL

... script: ALTER TABLE TableName MODIFY Setting BOOLEAN null; Then Dapper started throwing Exceptions. I tried to look at the difference before and after the script. And noticed the bit(1) had changed to tinyint(1). I then ran: ALTER TABLE TableName CHANGE COLUMN Setting Setting BIT(1) NULL DEFAU...
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How to send cookies in a post request with the Python Requests library?

...ack. If you're using wsgi: import requests ... def application(environ, start_response): cookie = {'enwiki_session': '17ab96bd8ffbe8ca58a78657a918558'} response_headers = [('Content-type', 'text/plain')] response_headers.append(('Set-Cookie',cookie)) ... return [bytes(post_env),r...