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is of a type that is invalid for use as a key column in an index
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A unique constraint can't be over 8000 bytes per row and will only use the first 900 bytes even then so the safest maximum size for your keys would be:
create table [misc_info]
(
[id] INTEGER PRIMARY KEY IDENTITY NOT NULL,
[key] nvarchar(450) UNIQUE...
How to change ViewPager's page?
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answered Sep 16 '11 at 14:40
Mark AllisonMark Allison
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Error-Handling in Swift-Language
... in exception path than in success path. This is not the case with Swift 2.0 errors, where success path and error path cost roughly the same.
All error throwing code must be declared, while exceptions might have been thrown from anywhere. All errors are "checked exceptions" in Java nomenclature. How...
Unique constraint that allows empty values in MySQL
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edited Oct 31 '12 at 19:00
EricC
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answered Aug 28 ...
How to set up a git project to use an external repo submodule?
...ares them to Subversion's svn:externals mechanism: http://speirs.org/blog/2009/5/11/understanding-git-submodules.html
* As a best practice, you should always place your submodules in their own directory, such as Externals. If you don't, your root project directory can become very cluttered very f...
Length of generator output [duplicate]
...f you have a lazy infinite generator? For example:
def fib():
a, b = 0, 1
while True:
a, b = b, a + b
yield a
This never terminates but will generate the Fibonacci numbers. You can get as many Fibonacci numbers as you want by calling next().
If you really need to know t...
What are libtool's .la file for?
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140
It is a textual file that includes a description of the library.
It allows libtool to create pl...
Is there a naming convention for Django apps
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answered Jun 23 '10 at 13:12
thraxilthraxil
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Configuring Vim for C++
... With either of these, you don't even need tabs (which does not scale for 10+ files) to manage your project.
Class navigation: Taglist or Tagbar
Edit: Updated as of July 2013
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SQL ON DELETE CASCADE, Which Way Does the Deletion Occur?
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Bhavesh Gangani
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answered Nov 18 '12 at 21:38
John WooJohn Woo
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