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MySQL INNER JOIN select only one row from second table
I have a users table and a payments table, for each user, those of which have payments, may have multiple associated payments in the payments table. I would like to select all users who have payments, but only select their latest payment. I'm trying this SQL but i've never tried nested SQL sta...
How to properly seed random number generator
I am trying to generate a random string in Go and here is the code I have written so far:
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Why do you have to link the math library in C?
If I include <stdlib.h> or <stdio.h> in a C program I don't have to link these when compiling but I do have to link to <math.h> , using -lm with gcc, for example:
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Doctrine - How to print out the real sql, not just the prepared statement?
We're using Doctrine, a PHP ORM. I am creating a query like this:
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Get nth character of a string in Swift programming language
How can I get the nth character of a string? I tried bracket( [] ) accessor with no luck.
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Is there a WebSocket client implemented for Python? [closed]
I found this project: http://code.google.com/p/standalonewebsocketserver/ for a WebSocket server, but I need to implement a WebSocket client in python, more exactly I need to receive some commands from XMPP in my WebSocket server.
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Rails 2.3-style plugins and deprecation warnings running task in Heroku
I'm upgrading to Rails 3.2, and running rake db:migrate gives me several errors of the form:
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How to avoid explicit 'self' in Python?
I have been learning Python by following some pygame tutorials .
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Hidden Features of Java
After reading Hidden Features of C# I wondered, What are some of the hidden features of Java?
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MySQL: Enable LOAD DATA LOCAL INFILE
I'm running Mysql 5.5 on Ubuntu 12 LTS. How should I enable LOAD DATA LOCAL INFILE in my.cnf?
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