53 questions
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...
I want to know the current time and date regardless of the platform.Help me
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...
A query is a self-joined sentence with one table as follows:SELECT cat.cat_id, cat.cat_name, sub_cat.cat_id, sub_cat.cat_nameFROM Categories AS catLEFT JOIN Categories AS sub_catON sub_cat.parent = ca...
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...
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...
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...
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?
Is there anyone who installed Linuxgui on Google Cloud platform? I did up to linux vm, but the gui installation was blocked.
Currently, I am studying php7 by linking phpstorm and xampp.I tried following a simple example, but I checked that there was no problem with the sauce, but the NULL value keeps on going in. What's wro...
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