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Can't find the 'libpq-fe.h header when trying to install pg gem
I am using the Ruby on Rails 3.1 pre version. I like to use PostgreSQL, but the problem is installing the pg gem. It gives me the following error:
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Passing parameters to JavaScript files
Often I will have a JavaScript file that I want to use which requires certain variables be defined in my web page.
14 Answe...
Python unit test with base and sub class
...ly have a few unit tests which share a common set of tests. Here's an example:
15 Answers
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How to convert a byte array to a hex string in Java?
I have a byte array filled with hex numbers and printing it the easy way is pretty pointless because there are many unprintable elements. What I need is the exact hexcode in the form of: 3a5f771c
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How to link to specific line number on github
I know I can link to a specific line number on a file on a github repo (I'm sure I've seen this before)...
7 Answers
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Getting Git to work with a proxy server - fails with “Request timed out”
How do I get Git to use a proxy server?
19 Answers
19
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How do you deploy your ASP.NET applications to live servers?
I am looking for different techniques/tools you use to deploy an ASP.NET web application project ( NOT ASP.NET web site) to production?
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Callback functions in C++
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Note: Most of the answers cover function pointers which is one possibility to achieve "callback" logic in C++, but as of today not the most favourable one I think.
What are callbacks(?) and why to use them(!)
A callback is a callable (see further down) accepted by...
LPCSTR, LPCTSTR and LPTSTR
What the difference between LPCSTR , LPCTSTR and LPTSTR ?
5 Answers
5
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ruby send method passing multiple parameters
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send("i_take_multiple_arguments", *[25.0,26.0]) #Where star is the "splat" operator
or
send(:i_take_multiple_arguments, 25.0, 26.0)
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