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When to use cla(), clf() or close() for clearing a plot in matplotlib?
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They all do different things, since matplotlib uses a hierarchical order in which a figure window contains a figure which may consist of many axes. Additionally, there are functions from the pyplot interface and there are methods on the Figure class. I will discuss both cases below.
pyplot ...
Programmer Puzzle: Encoding a chess board state throughout a game
Not strictly a question, more of a puzzle...
31 Answers
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Is Disney's FastPass Valid and/or Useful Queue Theory
At Disney World, they use a system called Fastpass to create a second, shorter line for popular rides. The idea is that you can wait in the standard line, often with a wait longer than an hour, or you can get a FastPass which allows you to come back during a specified time block (usually a couple...
Is PHP compiled or interpreted?
Is PHP compiled or interpreted?
9 Answers
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How to initialize log4j properly?
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Log4j by default looks for a file called log4j.properties or log4j.xml on the classpath.
You can control which file it uses to initialize itself by setting system properties as described here (Look for the "Default Initialization Procedure" section...
How to check if an array field contains a unique value or another array in MongoDB?
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This is well documented in the help: mongodb.org/display/DOCS/…
– Scott Hernandez
Mar 20 '11 at 4:31
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Check if array is empty or null
I would like to know how to check if an array is empty or null in jQuery. I tried array.length === 0 but it didn't work. It did not throw any error either.
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Representing Monetary Values in Java [closed]
I understand that BigDecimal is recommended best practice for representing monetary values in Java. What do you use? Is there a better library that you prefer to use instead?
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What is the JSF resource library for and how should it be used?
...use it as follows with the common content/file type css , js and img (or image ) as library name depending on the tag used:
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RESTful URL design for search
I'm looking for a reasonable way to represent searches as a RESTful URLs.
12 Answers
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