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Unable to generate an explicit migration in entity framework

...the database OR you can delete the pending migration file ([201203170856167_left]) from your Migrations folder and then re-run "add-migration" to create a brand new migration based off of your edits. share | ...
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I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]

...to be in Ruby 1.8.7. Looks like it was added in 1.9.3: apidock.com/ruby/v1_9_3_392/SecureRandom/uuid/class – existentialmutt Aug 25 '14 at 17:31 2 ...
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Iterating each character in a string using Python

...imply implement an iterator that defines a next() method, and implement an __iter__ method on a class to make it iterable. (the __iter__ of course, should return an iterator object, that is, an object that defines next()) See official documentation ...
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What is the difference between char s[] and char *s?

...So: char *x = "Foo"; // is approximately equivalent to: static const char __secret_anonymous_array[] = "Foo"; char *x = (char *) __secret_anonymous_array; Note that you must not ever attempt to modify the contents of this anonymous array via this pointer; the effects are undefined (often meaning ...
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How does the algorithm to color the song list in iTunes 11 work? [closed]

...table... looks like I reinvented the wheel a bit here) convertToYUV[rawRGB_] := Module[{yuv}, yuv = {{0.299, 0.587, 0.114}, {-0.14713, -0.28886, 0.436}, {0.615, -0.51499, -0.10001}}; yuv . rawRGB ] Next, I wrote a function to calculate color distance with the a...
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How to use the IEqualityComparer

... implement.1 In your code, the solution is to forward GetHashCode to Class_reglement.Numf.GetHashCode and implement it appropriately there. Apart from that, your Equals method is full of unnecessary code. It could be rewritten as follows (same semantics, ¼ of the code, more readable): public boo...
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Why shouldn't I use mysql_* functions in PHP?

What are the technical reasons for why one shouldn't use mysql_* functions? (e.g. mysql_query() , mysql_connect() or mysql_real_escape_string() )? ...
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Name node is in safe mode. Not able to leave

...o in the start-up phase. Read more here; hadoop.apache.org/docs/stable/hdfs_user_guide.html#Safemode – Amar Apr 4 '13 at 11:30 2 ...
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How to detect iPhone 5 (widescreen devices)?

...eight of 568. You can imagine a macro, to simplify all of this: #define IS_IPHONE_5 ( fabs( ( double )[ [ UIScreen mainScreen ] bounds ].size.height - ( double )568 ) < DBL_EPSILON ) The use of fabs with the epsilon is here to prevent precision errors, when comparing floating points, as pointe...
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How do I PHP-unserialize a jQuery-serialized form?

...ou are using a POST ajax request. So in PHP, you would access values like $_POST["varname"] or $_GET["varname"] depending on the request type. The serialize method just takes the form elements and puts them in string form. "varname=val&var2=val2" ...