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Update multiple rows in same query using PostgreSQL
I'm looking to update multiple rows in PostgreSQL in one statement. Is there a way to do something like the following?
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mysql: see all open connections to a given database?
With administrative permissions im mysql, how can I see all the open connections to a specific db in my server?
8 Answers
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Error 1046 No database Selected, how to resolve?
...L which database to use:
USE database_name;
before you create a table.
In case the database does not exist, you need to create it as:
CREATE DATABASE database_name;
followed by:
USE database_name;
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Amazon Interview Question: Design an OO parking lot [closed]
Design an OO parking lot. What classes and functions will it have. It should say, full, empty and also be able to find spot for Valet parking. The lot has 3 different types of parking: regular, handicapped and compact.
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Removing colors from output
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According to Wikipedia, the [m|K] in the sed command you're using is specifically designed to handle m (the color command) and K (the "erase part of line" command). Your script is trying to set absolute cursor position to 60 (^[[60...
Is it safe to shallow clone with --depth 1, create commits, and pull updates again?
The --depth 1 option in git clone :
2 Answers
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How to get a Color from hexadecimal Color String
I'd like to use a color from an hexa string such as "#FFFF0000" to (say) change the background color of a Layout.
Color.HSVToColor looks like a winner but it takes a float[] as a parameter.
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Wireshark localhost traffic capture [closed]
I wrote a simple server app in C which runs on localhost. How to capture localhost traffic using Wireshark?
9 Answers
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Deprecation warning when using has_many :through :uniq in Rails 4
Rails 4 has introduced a deprecation warning when using :uniq => true with has_many :through. For example:
2 Answers
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Why does TestInitialize get fired for every test in my Visual Studio unit tests?
I'm using Visual Studio 2010 Beta 2. I've got a single [TestClass] , which has a [TestInitialize] , [TestCleanup] and a few [TestMethods] .
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