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“ImportError: No module named” when trying to run Python script

...otebook_config.py file (typically using the c.NotebookManager.notebook_dir setting). The solution is to provide the python interpreter with the path-to-your-module. The simplest solution is to append that path to your sys.path list. In your notebook, first try: import sys sys.path.append('my/path/...
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round() for float in C++

... Boost offers a simple set of rounding functions. #include <boost/math/special_functions/round.hpp> double a = boost::math::round(1.5); // Yields 2.0 int b = boost::math::iround(1.5); // Yields 2 as an integer For more information, see th...
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How do I run a Python program?

...fy your head). For our example something like, > cd C:\Documents and Settings\Gregg\Desktop\pyscripts try: > python first.py If you get this message: 'python' is not recognized as an internal or external command, operable program or batch file. then python (the interpreter pr...
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How to calculate a Mod b in Casio fx-991ES calculator

...(instead of traditional d/c). How to switch display mode to ab/c: Go to settings (Shift + Mode). Press arrow down (to view more settings). Select ab/c (number 1). Now do your calculation (in comp mode), like 50 / 3 and you will see 16 2/3, thus, mod is 2. Or try 54 / 7 which is 7 5/7 (mod is 5)...
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Why does the JVM still not support tail-call optimization?

....3 reveals that Hotspot doesn't perform the transformation. At default settings, the stack space is exhausted in less than a second on my machine. On the other hand, IBM's JVM for version 1.3 purrs along without a problem, indicating that it does transform the code in this way. ...
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How to 'grep' a continuous stream?

...d? In git.savannah.gnu.org/cgit/grep.git/tree/src/grep.c, line_buffered is set only by the argument parser. – Aasmund Eldhuset Jan 9 '17 at 22:21 ...
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Bundling data files with PyInstaller (--onefile)

... Newer versions of PyInstaller do not set the env variable anymore, so Shish's excellent answer will not work. Now the path gets set as sys._MEIPASS: def resource_path(relative_path): """ Get absolute path to resource, works for dev and for PyInstaller """ ...
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Why should I prefer single 'await Task.WhenAll' over multiple awaits?

...hat doesn't solve the problem. Besides, it's generally bad form in a team setting to include multiple statements on a given line of code, as it can make the source file harder for human eyes to scan. Simply put, await Task.WhenAll(t1, t2, t3); is more maintainable, as it communicates your intent m...
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Does Java casting introduce overhead? Why?

...e until you hit java.lang.Object, so the type can be read at a constant offset from the type pointer (actually the first eight in HotSpot). Again this is analogous to reading a method pointer for a virtual method. Then the read value just needs a comparison to the expected static type of the cast. ...
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How do I find out what keystore my JVM is using?

... is used since the java property user.home is equal to $HOMEDRIVE$HOMEPATH set by windows and not on $HOME set by cygwin where HOMEDRIVE=C: and HOMEPATH=\Users\[YOUR ACCOUNT] – user1708042 Aug 10 '17 at 14:00 ...