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How to save a PNG image server-side, from a base64 data string
I'm using Nihilogic's "Canvas2Image" JavaScript tool to convert canvas drawings to PNG images.
What I need now is to turn those base64 strings that this tool generates, into actual PNG files on the server, using PHP.
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Running unittest with typical test directory structure
The very common directory structure for even a simple Python module seems to be to separate the unit tests into their own test directory:
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Get JSF managed bean by name in any Servlet related class
I'm trying to write a custom servlet (for AJAX/JSON) in which I would like to reference my @ManagedBeans by name. I'm hoping to map:
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Removing whitespace from strings in Java
I have a string like this:
35 Answers
35
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When to catch java.lang.Error?
In what situations should one catch java.lang.Error on an application?
16 Answers
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What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
It seems to me that you can do the same thing in a SQL query using either NOT EXISTS, NOT IN, or LEFT JOIN WHERE IS NULL. For example:
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Why are we not to throw these exceptions?
I came across this MSDN page that states:
5 Answers
5
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How do I read CSV data into a record array in NumPy?
I wonder if there is a direct way to import the contents of a CSV file into a record array, much in the way that R's read.table() , read.delim() , and read.csv() family imports data to R's data frame?
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How do you express binary literals in Python?
How do you express an integer as a binary number with Python literals?
7 Answers
7
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Cron jobs and random times, within given hours
I need the ability to run a PHP script 20 times a day at completely random times. I also want it to run only between 9am - 11pm.
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