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possibly undefined macro: AC_MSG_ERROR
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I had this same issue and found that pkg-config package was missing.
After installing the package, everything generated correctly.
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Devise Secret Key was not set
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I ran bundle update this morning and started getting the same error.
I added it as a line in config/initializers/devise.rb and the error was fixed.
This seems to be the commit which introduced it.
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CSS table layout: why does table-row not accept a margin?
... height of the DIV is solely determined by the height of the table-cell elements in it. Thus, margin, padding, and height on those elements have no effect.
http://www.w3.org/TR/CSS2/tables.html
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How do I horizontally center an absolute positioned element inside a 100% width div? [duplicate]
...ader . Normally, I would do a margin:0 auto for relatively positioned elements but I am stuck here. Can someone show me the way?
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What is the recommended way to use Vim folding for Python code
...nally I can't convince myself to litter my code with the markers. I've become pretty used to (and efficient) at using indent-folding. Together with my mapping of space bar (see below) to open/close folds and the zR and zM commands, I'm right at home. Perfect for Python!
set foldmethod=indent
nnorema...
How does UTF-8 “variable-width encoding” work?
...them all. That's what the UTF-32 encoding does. Yet the UTF-8 encoding somehow squeezes these into much smaller spaces by using something called "variable-width encoding".
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How do I remove all non alphanumeric characters from a string except dash?
How do I remove all non alphanumeric characters from a string except dash and space characters?
13 Answers
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How do I loop through a list by twos? [duplicate]
I want to loop through a Python list and process 2 list items at a time. Something like this in another language:
7 Answers...
How do I make background-size work in IE?
...:DXImageTransform.Microsoft.AlphaImageLoader(
src='images/logo.gif',
sizingMethod='scale');
-ms-filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader(
src='images/logo.gif',
sizingMethod='scale')";
However, this scales the entire image to fit in the allocated area, so if you're using a spri...
With Spring can I make an optional path variable?
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You can't have optional path variables, but you can have two controller methods which call the same service code:
@RequestMapping(value = "/json/{type}", method = RequestMethod.GET)
public @ResponseBody TestBean typedTestBean(
HttpServletRequest req,
@PathVariable String type,
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