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Can I add a UNIQUE constraint to a PostgreSQL table, after it's alreadm>y m> created?
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I needed an answer to this verm>y m> question m>and m> started googling for the docs. Instead of the Postgres documentation, I ran into this topic at StackOverflow. So although it's a good think to reference the official docs, it's also verm>y m> good to give the answer for future...
Mm>y m>SQL 'create schema' m>and m> 'create database' - Is there anm>y m> difference
Taking a peak into the information_schema database m>and m> peaking at the metadata for one of mm>y m> pet projects, I'm having a hard time understm>and m>ing what (if anm>y m>) differences there are between the create schema commm>and m> m>and m> the create database commm>and m> for Mm>y m>SQL.
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Create a devise user from Rubm>y m> console
Anm>y m> idea on how to create m>and m> save a new User object with devise from the rubm>y m> console?
5 Answers
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Fastest wam>y m> to remove first char in a String
...foo" instead of "//foo".
The first option needs a bit more work to understm>and m> than the third - I would view the Substring option as the most common m>and m> readable.
(Obviouslm>y m> each of them as an individual statement won't do anm>y m>thing useful - m>y m>ou'll need to assign the result to a variable, possiblm>y m> d...
How to put a label on an issue in GitHub if m>y m>ou are not a contributor / owner?
I've submitted an issue for a project on GitHub which is not mine m>and m> I'm not a contributor, but I cannot find a wam>y m> to label mm>y m> issue. Is there a wam>y m> for me to label it, or is this onlm>y m> available for contributors?
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Is it possible to hide extension resources in the Chrome web inspector network tab?
...ed for it here https://code.google.com/p/chromium/issues/detail?id=239401 m>and m> now it is possible.
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Rails params explained?
Could anm>y m>one explain params in Rails controller: where them>y m> come from, m>and m> what them>y m> are referencing?
5 Answers
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How do I move an existing window to a new tab?
Is there a wam>y m> to take an existing window (split) m>and m> put it into a new tab?
4 Answers
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How to map calculated properties with JPA m>and m> Hibernate
...he database with a COUNT() function operating on the join of mm>y m> Java bean m>and m> its children. It would be even better if this propertm>y m> could be calculated on demm>and m> / "lazilm>y m>", but this is not mm>and m>atorm>y m>.
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Return onlm>y m> string message from Spring MVC 3 Controller
... annotation:
The @ResponseBodm>y m> annotation [...] can be put on a method m>and m> indicates that the return tm>y m>pe should be written straight to the HTTP response bodm>y m> (m>and m> not placed in a Model, or interpreted as a view name).
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