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How to create a density plot in matplotlib?

...with R. This is because gaussian_kde tries to infer the bandwidth automatically. You can play with the bandwidth in a way by changing the function covariance_factor of the gaussian_kde class. First, here is what you get without changing that function: However, if I use the following code: import...
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Why doesn't Internet Explorer 11 honour conditional comments even when emulating Internet Explorer 8

...14. In running a few tests myself it does appear that this was fixed and all is running smoothly again for testing the most amazing browser ever produced...Internet Explorer! share | improve this ...
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How can I scale an image in a CSS sprite

...http://css-tricks.com/css-sprites/ , it talks about how can I crop off a smaller image from 1 bigger image. Can you please tell me if it is possible/how I can crop off a smaller image and then scale the cropped off region before I lay it out? ...
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django unit tests without a db

... doesn't require the db to set up. And while it is fast to setup a db, I really don't need it in some situations. 11 Answer...
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Validating IPv4 addresses with regexp

...so it ends with a word boundary rather than with the end of line? Additionally here I've marked the non-capturing groups to avoid unwanted sub-matches. NB: This still doesn't take into account @dty's comment as I'm not familiar with that form of IP; though he's correct that it seems valid. ...
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Window.open and pass parameters by post method

...').submit(); </script> Edit: To set the values in the form dynamically, you can do like this: function openWindowWithPost(something, additional, misc) { var f = document.getElementById('TheForm'); f.something.value = something; f.more.value = additional; f.other.value = misc; win...
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How do you remove duplicates from a list whilst preserving order?

...n seen or seen_add(x))] Why assign seen.add to seen_add instead of just calling seen.add? Python is a dynamic language, and resolving seen.add each iteration is more costly than resolving a local variable. seen.add could have changed between iterations, and the runtime isn't smart enough to rule t...
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javac is not recognized as an internal or external command, operable program or batch file [closed]

...nal or external command... error message. In a nutshell, you have not installed Java correctly. Finalizing the installation of Java on Windows requires some manual steps. You must always perform these steps after installing Java, including after upgrading the JDK. Environment variables and PATH (...
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浅析为什么char类型的范围是 -128~+127 - C/C++ - 清泛网 - 专注C/C++及内核技术

...减法,它会转化为1+(-1) ,因此 0000 0001 + 1000 0001 ____________________ 1000 0010 …………… -2 ,1-1= -2? 这显然是不对了,所以为了避免减法运算错误,计算机大神们发明出了反码,直接用最高位表示符号位的叫做...
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Explanation of strong and weak storage in iOS5

... storage. I have read the documentation and other SO questions, but they all sound identical to me with no further insight. ...