form tag

33 questions


1 answers
82 views
0
To detect OS (OS X/Linux/Windows, etc.) on a C preprocessor?

I'm going to make a C/C++ code that supports multiple platformsYou want to determine which platform the preprocessor is using.Where can I find relevant information?


2 answers
91 views
0
How do I resolve the Lambdify name error in Sympy?

If you receive an object that you spun Fourier_transform with Sympy as lambdify, a name error appears that FourierTransform is not defined even though numpy and sympy are applied to the module. import...


1 answers
94 views
0
How each service communicates in a microservice architecture

Hello, I'm a student studying micro-service architecture.I understand that micro-services use containers classified according to the service.Corresponding https://github.com/GoogleCloudPlatform/micros...


1 answers
125 views
0
position: How to center an element to which absolute is applied.

Position relative and absolute were used to place the divs on top of the divs However, the div set to absolute moves according to the screen size adjustment. Is there any way to fix it? Help me!~<s...

2 years ago

1 answers
118 views
0
How do I get the current date and time in C++?

I want to know the current time and date regardless of the platform.Help me

2 years ago

1 answers
124 views
0
ImportError during db migration: cannot import name rdbms_googleapi

I use Google App Engine.I'm going to build a db and make it all I did dbinit to model.py.If you try to create a migration at the terminal, an error appears as follows. python manager.py db migrate/Lib...


1 answers
93 views
0
[UWP/WPF/C++/CX] There are two properties with different names. Why?

I'm practicing to create a UWP app with C++/CX.Every time I look at an object browser, if there is one property, there is a similar property with the same name behind it, what is this?Each detailed de...


1 answers
74 views
0
Come out. more than the value of the transform fourier sympy

from sympy import fourier_transform, exp,symbolsfrom sympy.abc import x, ka=fourier_transform(exp(-x**2), x, k)s=symbols('s')Ori=(s)*exp(-(x**2)/(s**2))FT=fourier_transform(Ori,x,k)a.subs({k:1}).evalf...

2 years ago

1 answers
90 views
0
How to check whether files exist or not with C regardless of operating system

Do I have to write it like this to find out if there is a file or not?Please let me know if there is a shorter way.It's too inefficient to check multiple files because there are more files. int exists...


1 answers
132 views
0
How do I find my home directory?

I need to find the home directory path of the logged in userWhat I'm using on Linux isos.getenv(HOME)I can't do this on Windows.Is there a function that can use both Windows and Linux?

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