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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/...
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...
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...
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)...
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.
...
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
...
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 """
...
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...
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. ...
What's the difference between :: (double colon) and -> (arrow) in PHP?
...that are linked to a database for create and delete methods, since you can set the return value to the inserted table id and then use the constructor to instantiate the object by the row id.
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