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Why is it slower to iterate over a small string than a small list?

...e and well-formedness. It is also quite likely thanks to the need to check what to return. List indexing is remarkably fast. >>> python3 -m timeit '[x for x in "abc"]' 1000000 loops, best of 3: 0.388 usec per loop >>> python3 -m timeit '[x for x in ["a", "b", "c"]]' 1000000 ...
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Programmer Puzzle: Encoding a chess board state throughout a game

...mmer is to be able to correctly and unambiguously specify the problem. So what’s missing or ambiguous? A lot as it turns out. Board State vs Game State The first thing you need to determine is whether you’re storing the state of a game or the position of pieces on the board. Encoding simply t...
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Can every recursion be converted into iteration?

...rch-Turing thesis proves it if memory serves. In lay terms, it states that what is computable by recursive functions is computable by an iterative model (such as the Turing machine) and vice versa. The thesis does not tell you precisely how to do the conversion, but it does say that it's definitely ...
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Eclipse “Invalid Project Description” when creating new project from existing source

... What worked for me was doing #2 above but checking the Copy Projects into Workspace. Apparently, it wasn't enough for me to just physically put the files in a new workspace, I also had to use this Copy option to have Eclipse ...
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How can I make setuptools install a package that's not on PyPI?

...elf won't work, because easy_install can't tell just by looking at the URL what it's going to get. By changing it to http://github.com/mtai/python-gearman/tarball/master#egg=gearman-2.0.0beta instead, easy_install will be able to identify the package name and its version. The final step is to add ...
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Open a file from Cygwin

... What's more, you can just use start <something> in a Windows cmd console. Specically, you can use start . to open current path in File Explorer. – Robert Dec 9 '17 at 7:53 ...
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SQL Server - stop or break execution of a SQL script

...ill terminate the connection" -- it seems that it doesn't, at least that's what I'm seeing. – jcollum Oct 9 '14 at 22:05 6 ...
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How to detect total available/free disk space on the iPhone/iPad device?

.... So I would say that this method gives you more correct information than what you see in Settings. – ancajic Apr 29 '15 at 11:49 4 ...
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Post data to JsonP

... @OneWorld — You didn't do what the answer said. XMLHttpRequest shouldn't be involved at all. Per's answer uses a regular form submission to make the POST request, then a script element injection to make the GET request. – Quentin...
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Determine the line of code that causes a segmentation fault?

...:3 in main ==4848==ABORTING The output is slightly more complicated than what gdb would output but there are upsides: There is no need to reproduce the problem to receive a stack trace. Simply enabling the flag during development is enough. ASANs catch a lot more than just segmentation faults. M...