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Plot two histograms on single chart with matplotlib
I created a histogram plot using data from a file and no problem. Now I wanted to superpose data from another file in the same histogram, so I do something like this
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Heroku free account limited?
... see Heroku provides free account features, but I don't see any detail on bandwidth, disk spaces, requests?
4 Answers
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What is the best Java library to use for HTTP POST, GET etc.? [closed]
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GetMethod method = new GetMethod(url);
// Provide custom retry handler is necessary
method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
new DefaultHttpMethodRetryHandler(3, false));
try {
// Execute the method.
int statusCode = client.executeM...
How to deal with floating point number precision in JavaScript?
...s, e.g. do money
calculations entirely in cents. But
this is more work and has some
drawbacks.
Note that the first point only applies if you really need specific precise decimal behaviour. Most people don't need that, they're just irritated that their programs don't work correctly with nu...
Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...returning an Integer object, which may have its values cached between -128 and 127. This is why the first value returns true - it's cached - and the second value returns false - 128 isn't a cached value, so you're getting two separate Integer instances.
It is important to note that you are compari...
Python - doctest vs. unittest [closed]
I'm trying to get started with unit testing in Python and I was wondering if someone could explain the advantages and disadvantages of doctest and unittest.
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UITableViewCell show white background and cannot be modified on iOS7
... Unfortunately not true, there seems to be a bug in interface builder and I couldn't set it to my custom cell from the storyboard.
– Tarek Hallak
Sep 29 '13 at 16:55
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What is a None value?
I have been studying Python, and I read a chapter which describes the None value, but unfortunately this book isn't very clear at some points. I thought that I would find the answer to my question, if I share it there.
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Difference between declaring variables before or in loop?
...etter, a or b?
From a performance perspective, you'd have to measure it. (And in my opinion, if you can measure a difference, the compiler isn't very good).
From a maintenance perspective, b is better. Declare and initialize variables in the same place, in the narrowest scope possible. Don't leave...
Windows XP or later Windows: How can I run a batch file in the background with no window displayed?
...ly? Typically one batch file runs another synchronously with the call command, and the second one would share the first one's window.
You can use start /b second.bat to launch a second batch file asynchronously from your first that shares your first one's window. If both batch files write to the ...