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What is the difference between float and double?
... floating point numbers, as the errors accumulate quickly. If you're using Python, use fsum. Otherwise, try to implement the Kahan summation algorithm.
[1]: The C and C++ standards do not specify the representation of float, double and long double. It is possible that all three are implemented as I...
Are loops really faster in reverse?
...entioning is that we are talking about interpreted languages such as Ruby, Python. Compiled languages e.g. Java have optimizations on compiler level which which will "smooth" these differences to the point that it does not matter if .length is in declaration of for loop or not.
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What's the difference between JPA and Hibernate? [closed]
...files you are also tightly coupled to Java, so what if I want to switch to Python tomorrow?
– Smutje
Nov 3 '16 at 7:59
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Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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print("Hello World")
你可以像python一样，在命令行上运行lua命令后进入lua的shell中执行语句。
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chenhao-air:lua chenhao$ lua
Lua 5.2.2 Copyright (C) 1994-2013 Lua.org, PUC-Rio
> print("He...
How to have favicon / icon set when bookmarklet dragged to toolbar?
...nt has no glyph for this codepoint" marks. Given that I'm using Firefox on Linux, that means that the fallback behaviour couldn't even find them in any font on the system. Am I correct in guessing that those are the Mac-specific emoji glyphs that bloggers have been telling web designers to avoid?
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How can I generate random alphanumeric strings?
...ficient and indirect. Don't get me wrong, I'm a huge code hipster (i love python), but this is pretty much a rube goldberg machine.
– eremzeit
Sep 29 '11 at 15:41
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Unescape HTML entities in Javascript?
...Do use this if you are expecting html data being interpolated from, say, a python flask app to a template.
– OzzyTheGiant
Mar 1 '17 at 21:18
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Using C# regular expressions to remove HTML tags
...by, I still would have suggested nokogiri or hpricot, or beautifulsoup for Python. It's best to treat HTML like HTML, not some arbitrary text stream with no grammar.
– JasonTrue
Oct 23 '09 at 15:54
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Which encoding opens CSV files correctly with Excel on both Mac and Windows?
...lit/blob/master/csv2xlsx.py. In order to run it you will need to install a python module openpyxl for Excel file manipulation: sudo easy_install openpyxl.
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What is difference between Collection.stream().forEach() and Collection.forEach()?
...on specific, (full source code).
I run openjdk version 1.8.0_111 on a fast Linux machine.
I wrote a test that loops 10^6 times over a List using this code with varying sizes for integers (10^0 -> 10^5 entries).
The results are below, the fastest method varies depending on the amount of entries in...