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How do I create a SHA1 hash in ruby?
SHA Hash functions
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How do you run a single query through mysql from the command line?
I'm looking to be able to run a single query on a remote server in a scripted task.
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Add hover text without javascript like we hover on a user's reputation
In stackoverflow, when we hover on a user's reputation we see a text. I have seen this at many places and the source code tells me that it can be done without js. And i tried and got only this-
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python numpy machine epsilon
I am trying to understand what is machine epsilon. According to the Wikipedia, it can be calculated as follows:
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How can I access an object property named as a variable in php?
A Google APIs encoded in JSON returned an object such as this
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What is the default value for enum variable?
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In Vim, how do you search for a word boundary character, like the \b in regexp?
I'd like to be able to search
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How to check if a table exists in a given schema
Postgres 8.4 and greater databases contain common tables in public schema and company specific tables in company schema.
company schema names always start with 'company' and end with the company number.
So there may be schemas like:
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Checking oracle sid and database name
I want to check SID and current database name.
6 Answers
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JComboBox Selection Change Listener?
I'm trying to get an event to fire whenever a choice is made from a JComboBox .
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