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What is the best way to concatenate two vectors?
I'm using multitreading and want to merge the results. For example:
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Why would anyone use set instead of unordered_set?
C++0x is introducing unordered_set which is available in boost and many other places. What I understand is that unordered_set is hash table with O(1) lookup complexity. On the other hand, set is nothing but a tree with log(n) lookup complexity. Why on earth would anyone use set instead ...
Which, if any, C++ compilers do tail-recursion optimization?
It seems to me that it would work perfectly well to do tail-recursion optimization in both C and C++, yet while debugging I never seem to see a frame stack that indicates this optimization. That is kind of good, because the stack tells me how deep the recursion is. However, the optimization would be...
How can I write text on a HTML5 canvas element?
Is it possible to write text on HTML5 canvas ?
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How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
How can I use regular expressions in Excel and take advantage of Excel's powerful grid-like setup for data manipulation?
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Split a List into smaller lists of N size
I am attempting to split a list into a series of smaller lists.
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heroku - how to see all the logs
I have a small app on heroku. Whenever I want to see the logs I go to the command line and do
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Contains method for a slice
Is there anything similar to a slice.contains(object) method in Go without having to do a search through each element in a slice?
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各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
各编程语言读写文件汇总all_programming_language_file_read_write_summary读写文件本来是非常基础的代码,但工作学习中难免会有遗忘,有时又难以翻看自己写过的代码,网上搜索更是五花八门让人头大,鉴于此,清泛网 读写文件本来是...
Convert Year/Month/Day to Day of Year in Python
I'm using the Python datetime module, i.e.:
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