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How do I make a column unique and index it in a Ruby on Rails migration?
...lacement for regular old model validations, check to see how it works. The error reporting to the user will likely not be as nice without model-level validations. You can always do both.
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How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
... your cookies using a padding oracle attack, because your code produces an error page if the padding is somehow broken.
This is not a hypothetical scenario: Microsoft had this exact flaw in ASP.NET until a few years ago.
The problem is there are a lot of pitfalls regarding cryptography and it is ext...
htaccess Access-Control-Allow-Origin
...r set Access-Control-Allow-Origin "*" in your config, then it should throw error during start if mod_headers is not active.
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Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
Let's say I have the following data.table in R :
3 Answers
3
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How to install Homebrew on OS X?
...hubusercontent.com/Homebrew/install/master/install)"
Gives the following error:
curl performs SSL certificate verification by default, using a "bundle"
of Certificate Authority (CA) public keys (CA certs). If the default
bundle file isn't adequate, you can specify an alternate file
us...
“unrecognized import path” with go get
...official site (install from the tar file into /usr/local) I received the error above until I changed the GOROOT as above.
– Drew
Apr 10 '14 at 17:38
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What is & used for
...ersand".
&current; is not a standard character reference and so is an error (browsers may try to perform error recovery but you should not depend on this).
If you used a character reference for a real character (e.g. ™) then it (™) would appear in the URL instead of the string you ...
What do *args and **kwargs mean? [duplicate]
... @PaulD.Waite: No problem. I wonder how many rookies found this error by trying to use your code, but were telling themselves "I must be doing something wrong here, this answer has so many votes" ;) Another upvote from me, because it is very clear and very good.
– Ta...
The backend version is not supported to design database diagrams or tables
...y created database through SQL Server Management Studio.
However I get the error:
4 Answers
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How to enable curl, installed Ubuntu LAMP stack?
... @Arsheep "didn't worked" is exceedingly unhelpful. Did it give you an error? Did your computer explode? Did your house burst into flames?
– Michael Mrozek
May 30 '10 at 18:41
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