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What is the simplest SQL Query to find the second largest value?
What is the simplest SQL query to find the second largest integer value in a specific column?
46 Answers
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Python in Xcode 4+?
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I figured it out! The steps make it look like it will take more effort than it actually does.
These instructions are for creating a project from scratch. If you have existing Python scripts that you wish to include in this proje...
Grep for literal strings
I'm after a grep-type tool to search for purely literal strings. I'm looking for the occurrence of a line of a log file, as part of a line in a seperate log file. The search text can contain all sorts of regex special characters, e.g., []().*^$-\ .
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How to check if there's nothing to be committed in the current branch?
The goal is to get an unambiguous status that can be evaluated in a shell command.
9 Answers
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How does `is_base_of` work?
How does the following code work?
5 Answers
5
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Controlling number of decimal digits in print output in R
There is an option in R to get control over digit display. For example:
3 Answers
3
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Using Rails serialize to save hash to database
I'm try to save a hash mapping ids to a number of attempts in my rails app. My migration to the database to accommodate this new column:
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What is the MySQL JDBC driver connection string?
I am new to JDBC and I am trying to make a connection to a MySQL database.
I am using Connector/J driver, but I cant find the JDBC connection string for my Class.forName() method.
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Accessing constructor of an anonymous class
Lets say I have a concrete class Class1 and I am creating an anonymous class out of it.
10 Answers
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Using the scrollwheel in GNU screen
How can I setup GNU screen to allow the mouse's scrollwheel to scroll around in the scrollback buffer? I tried to Google about this, but most hits were on how to allow applications inside screen to use the scrollwheel.
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