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Parser Error Message: Could not load type 'TestMvcApplication.MvcApplication'
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rmagick gem install “Can't find Magick-config”
...uilding native Ruby gems, sometimes you'll get an error containing "ruby extconf.rb". This is often caused by missing development libraries for the gem you're installing, or even Ruby itself.
Do you have apt installed on your machine? If not, I'd recommend installing it, because it's a quick and e...
In Rails - is there a rails method to convert newlines to ?
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Yes, rails has simple_format which does exactly what you are looking for, and slightly better since it also adds paragraph tags. See
http://api.rubyonrails.org/classes/ActionView/Helpers/TextHelper.html#method-i-simple_format
Example:
simple_format(mystring)
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PostgreSQL - max number of parameters in “IN” clause?
...to the source code located here, starting at line 850, PostgreSQL doesn't explicitly limit the number of arguments.
The following is a code comment from line 870:
/*
* We try to generate a ScalarArrayOpExpr from IN/NOT IN, but this is only
* possible if the inputs are all scalars (no RowExprs) a...
How do I check if a string contains another string in Objective-C?
... "haystack" does not contain the "needle".
And if you're on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code is called on an iOS7 device).
NSString *string = @"hello bla blah";
if ([string containsString:@"bla"]) {
NSLog(@"string contains bla!");
} else {
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Is there a Python equivalent to Ruby's string interpolation?
Ruby example:
9 Answers
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Python Unicode Encode Error
I'm reading and parsing an Amazon XML file and while the XML file shows a ' , when I try to print it I get the following error:
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django change default runserver port
... the default port that manage.py runserver listens on specifiable in an extraneous config.ini . Is there an easier fix than parsing sys.argv inside manage.py and inserting the configured port?
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What are some alternatives to ReSharper? [closed]
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The main alternative is:
CodeRush, by DevExpress. Most consider either this or ReSharper the way to go. You cannot go wrong with either. Both have their fans, both are powerful, and both have talented teams constantly improving them. We have all benefited from the co...
How to access the request body when POSTing using Node.js and Express?
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Express 4.0 and above:
$ npm install --save body-parser
And then in your node app:
const bodyParser = require('body-parser');
app.use(bodyParser);
Express 3.0 and below:
Try passing this in your cURL call:
--header "C...