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When would anyone use a union? Is it a remnant from the C-only days?
I have learned but don't really get unions. Every C or C++ text I go through introduces them (sometimes in passing), but they tend to give very few practical examples of why or where to use them. When would unions be useful in a modern (or even legacy) case? My only two guesses would be programming ...
A Java collection of value pairs? (tuples?)
I like how Java has a Map where you can define the types of each entry in the map, for example <String, Integer> .
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Apache: “AuthType not set!” 500 Error
It's been a while since I used the Apache httpd web server. I'm firing up a local server for a project and when I try to request localhost/index.html, I get a 500 error and I see this in the error log:
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pdf2htmlEX实现pdf转html - 开源 & Github - 清泛网 - 专注C/C++及内核技术
pdf2htmlEX实现pdf转html首先要感谢pdf2htmlEX的作者Lu Wang，该软件是一个pdf转html的开源软件，效果非常理想。下面两张图片是html和pdf视图下的截图：windows下...首先要感谢pdf2htmlEX的作者Lu Wang，该软件是一个pdf转html的开源软件，效果...
Remove all values within one list from another list? [duplicate]
I am looking for a way to remove all values within a list from another list.
7 Answers
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Removing multiple keys from a dictionary safely
I know how to remove an entry, 'key' from my dictionary d , safely. You do:
14 Answers
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.htaccess rewrite to redirect root URL to subdirectory
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lenses, fclabels, data-accessor - which library for structure access and mutation is better
There are at least three popular libraries for accessing and manipulating fields of records. The ones I know of are: data-accessor, fclabels and lenses.
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How can I use numpy.correlate to do autocorrelation?
I need to do auto-correlation of a set of numbers, which as I understand it is just the correlation of the set with itself.
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