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Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?
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38
Yes, you can. But if you have non-unique entries on your table, it will fail. Here is the how t...
SQL Server - transactions roll back on error?
...ion level.
– Keith
Apr 11 '14 at 15:38
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How to set up a git project to use an external repo submodule?
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memmonsmemmons
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ASP.NET MVC Razor render without encoding
...idHamid Shahid
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Spring .properties file: get element as an Array
...rk.
– Wim Deblauwe
Apr 29 '14 at 14:38
2
If you want this to work with List<String> instead...
What are the differences between Helper and Utility classes?
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answered Aug 30 '12 at 7:38
JesperJesper
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How to ignore files which are in repository?
...roblems ?
– prcaen
Aug 29 '11 at 16:38
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@Nimbus147: it shouldn't be an issue, and any changes on...
How to extract public key using OpenSSL?
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Thanks. This is want I needed. To skip the prompts, you can use ssh-keygen -y -f key.pem > key.pub
– makenova
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How to draw vertical lines on a given plot in matplotlib?
...ne permits one location.
Single location: x=37
Multiple locations: x=[37, 38, 39]
vlines takes ymin and ymax as a position on the y-axis, while axvline takes ymin and ymax as a percentage of the y-axis range.
When passing multiple lines to vlines, pass a list to ymin and ymax.
If you're plotti...
How to configure static content cache per folder and extension in IIS7?
...on".
– Erik Öjebo
Mar 30 '13 at 21:38
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