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PostgreSQL query to list all table names?
Is there any query available to list all tables in my Postgres DB.
7 Answers
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How to compare two colors for similarity/difference
I want to design a program that can help me assess between 5 pre-defined colors which one is more similar to a variable color, and with what percentage. The thing is that I don't know how to do that manually step by step. So it is even more difficult to think of a program.
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Selecting data frame rows based on partial string match in a column
I want to select rows from a data frame based on partial match of a string in a column, e.g. column 'x' contains the string "hsa". Using sqldf - if it had a like syntax - I would do something like:
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How best to include other scripts?
The way you would normally include a script is with "source"
21 Answers
21
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How do you list the primary key of a SQL Server table?
Simple question, how do you list the primary key of a table with T-SQL? I know how to get indexes on a table, but can't remember how to get the PK.
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C# binary literals
Is there a way to write binary literals in C#, like prefixing hexadecimal with 0x? 0b doesn't work.
12 Answers
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How do I pass data between Activities in Android application?
I have a scenario where, after logging in through a login page, there will be a sign-out button on each activity .
51 An...
How can I get the button that caused the submit from the form submit event?
I'm trying to find the value of the submit button that triggered the form to submit
16 Answers
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Detect if device is iOS
I'm wondering if it's possible to detect whether a browser is running on iOS, similar to how you can feature detect with Modernizr (although this is obviously device detection rather than feature detection).
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