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Convert data.frame column to a vector?
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I'm going to attempt to explain this without making any mistakes, but I'm betting this will attract a clarification or two in the comments.
A data frame is a list. When you subset a data frame using the name of a column and [, what you're get...
Build a simple HTTP server in C [closed]
I need to build a simple HTTP server in C. Any guidance? Links? Samples?
12 Answers
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What does the @ symbol before a variable name mean in C#? [duplicate]
...that the @ symbol can be used before a string literal to change how the compiler parses the string. But what does it mean when a variable name is prefixed with the @ symbol?
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Launching Spring application Address already in use
I have this error launching my spring application:
25 Answers
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How to properly match varargs in Mockito
I've been trying to get to mock a method with vararg parameters using Mockito:
9 Answers
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WebKit issues with event.layerX and event.layerY
I just noticed that I get tons of deprecated warnings in the latest (canary) build of Chrome.
9 Answers
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How do you stop MySQL on a Mac OS install?
I installed MySQL via MacPorts . What is the command I need to stop the server (I need to test how my application behave when MySQL is dead)?
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MySQL show status - active or total connections?
...otal number throughout history:
Connections
The number of connection attempts (successful or not) to the MySQL server.
You can see the number of active connections either through the Threads_connected status variable:
Threads_connected
The number of currently open connections.
mysql> show sta...
Generate a random letter in Python
Is there a way to generate random letters in Python (like random.randint but for letters)? The range functionality of random.randint would be nice but having a generator that just outputs a random letter would be better than nothing.
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Finding Key associated with max Value in a Java Map
What is the easiest way to get key associated with the max value in a map?
16 Answers
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