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C++: const reference, before vs after type-specifier
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Then what is a point to make std::is_const<const T&>::value be false?
– abyss.7
Mar 15 '19 at 14:30
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Is there a command to list SVN conflicts?
Does anyone know an SVN command to list current conflicts between the repo and the working copy?
9 Answers
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How do I automatically scroll to the bottom of a multiline text box?
...ue. At regular intervals, I am adding new lines of text to it. I would like the textbox to automatically scroll to the bottom-most entry (the newest one) whenever a new line is added. How do I accomplish this?
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How to exit in Node.js
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community wiki
7 revs, 5 users 51%Pero P.
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SQL to find the number of distinct values in a column
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You can use the DISTINCT keyword within the COUNT aggregate function:
SELECT COUNT(DISTINCT column_name) AS some_alias FROM table_name
This will count only the distinct values for that column.
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What is the ultimate postal code and zip regex?
I'm looking for the ultimate postal code and zip code regex. I'm looking for something that will cover most (hopefully all) of the world.
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How to remove convexity defects in a Sudoku square?
I was doing a fun project: Solving a Sudoku from an input image using OpenCV (as in Google goggles etc). And I have completed the task, but at the end I found a little problem for which I came here.
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Best/Most Comprehensive API for Stocks/Financial Data [closed]
What is the most recommended free/public API for accessing financial market stats and stock quotes (preferrably real-time quotes)? I'm not too picky about how it's exposed (SOAP, REST, some proprietary XML setup, etc.), as long as it's got some decent documentation.
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Where are the PostgreSQL logs on macOS?
I would like to take a look at the PostgreSQL log files to see what my app writes to them but I can't find them.
8 Answers
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How to use multiple AWS Accounts from the command line?
...ld be able to use the following command-options in lieu of the EC2_PRIVATE_KEY (and even EC2_CERT) environment variables:
-K <private key>
-C <certificate>
You can put these inside aliases, e.g.
alias ec2-describe-instances1 ec2-describe-instances -K /path/to/key.pem
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