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PostgreSQL error 'Could not connect to server: No such file or directory'

...n _postgres:_postgres pgsql_socket Restart PostgreSQL (not your computer) More information is available at "postgresql 9.0.3. on Lion Dev Preview 1". share | improve this answer | ...
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What is the canonical way to trim a string in Ruby without creating a new string?

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How to return a value from __init__ in Python?

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How can I list ALL grants a user received?

... If you want more than just direct table grants (e.g., grants via roles, system privileges such as select any table, etc.), here are some additional queries: System privileges for a user: SELECT PRIVILEGE FROM sys.dba_sys_privs WHERE...
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How to center canvas in html5

...x; } Edit Since this answer is quite popular, let me add a little bit more details. The above properties will horizontally center the canvas, div or whatever other node you have relative to it's parent. There is no need to change the top or bottom margins and paddings. You specify a width and ...
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How to make gradient background in android

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Imitating a blink tag with CSS3 animations

... <span class="blink">blinking</span> text. You can find more info about Keyframe Animations here. share | improve this answer | follow | ...
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iPhone UIButton - image position

... @farzadshbfn you are right. I changed that word for "simple", seems more consistent. – Alvivi Jun 27 '16 at 6:25 ...
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How do I check in SQLite whether a table exists?

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Calling constructors in c++ without new

...a constructor of the format Thing(const char*). The second one is a bit more complex. It essentially does the following Create an object of type Thing using the constructor Thing(const char*) Create an object of type Thing using the constructor Thing(const Thing&) Call ~Thing() on the obje...