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Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?
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thanks @hhaamu. Yep did try the docs but your above is much more concise.
– Thomas Browne
Jul 28 '09 at 20:17
119
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Difference between Xcode version (CFBundleShortVersionString) and build (CFBundleVersion)
...ssage Apple give when submitting an app: "The binary you uploaded was invalid. The key CFBundleVersion in the Info.plist file must contain a higher version than that of the previously uploaded version."
– malhal
Nov 2 '12 at 21:12
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CMake not able to find OpenSSL library
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This package is called openssl-devel on Centos 7, so you would do sudo yum install openssl-devel
– user2888798
Apr 20 '18 at 17:12
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Unresolved specs during Gem::Specification.reset:
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Use Bundler. Call bundle exec guard, not guard.
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What is digest authentication?
...along with the username and the realm to attempt to authenticate.
Server-side the same method is used to generate a hashkey, only instead of using the password typed in to the browser the server looks up the expected password for the user from its user DB. It looks up the stored password for this u...
How can I merge two commits into one if I already started rebase?
...s, a was the first commit, then b, and finally c. After committing c we decide to squash b and c together:
(Note: Running git log pipes its output into a pager, less by default on most platforms. To quit the pager and return to your command prompt, press the q key.)
Running git rebase --interactiv...
List tables in a PostgreSQL schema
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What is syntax for selector in CSS for next element?
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This is called the adjacent sibling selector, and it is represented by a plus sign...
h1.hc-reform + p {
clear:both;
}
Note: this is not supported in IE6 or older.
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Create an array or List of all dates between two dates [duplicate]
... If you want a range that goes for 5 days, for example 4/9 - 4/13, the call to Enumerable.Range would create a collection {0,1,2,3,4}. The select statement takes that collection and for each element, adds that value to the start date and returns the new date. #4/9/2012#.AddDays(0) = 4/9/2012, ...
How to ignore files which are in repository?
... use SmartGit, you should use remove to do this.
– Omid-RH
Jan 6 '15 at 7:50
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Is there a way to ...