"X does not name a type" error in C++ - Stack Overflow
Mar 13, 2018 · What you can do is forward declare User; that is, declare it but don't define it. During compilation, a type that is declared but not defined is called an incomplete type. Consider the simpler example: struct foo; // foo is *declared* to …
Python matplotlib - setting x-axis scale - Stack Overflow
4. This is incorrect in matplotlib 3. It should read plt.gca().set_xscale('linear'). Otherwise you'll get AttributeError: 'function' object has no attribute 'Axes' from writing plt.axes.Axes and TypeError: set_xscale() takes 2 positional arguments but 3 were given …
What is a CSRF token? What is its importance and how does it work?
Jan 18, 2021 · A csrf token is generated for the forms and Must be tied to the user's sessions. It is used to send requests to the server, in which the token validates them. This is one way of protecting against csrf, another would be checking the …
python - Plotting a list of (x, y) coordinates - Stack Overflow
13. If you want to plot a single line connecting all the points in the list. plt.plot(li[:]) plt.show() This will plot a line connecting all the pairs in the list as points on a Cartesian plane from the starting of the list to the end. I hope that this is what you wanted.
python - What is the difference between X_test, X_train, y_test, y ...
Mar 11, 2020 · Consider X as 1000 data points and Y as integer class label (to which class each data point belongs) Eg: X = [1.24 2.36 3.24 ... (1000 terms) Y = [1,0,0,1.....(1000 terms)] We are splitting in 600:400 ratio. X_train => will have 600 data points X_test => will have class labels corresponding to 400 data points
How can I set 'X-Frame-Options' on an iframe? - Stack Overflow
106. X-Frame-Options is a header included in the response to the request to state if the domain requested will allow itself to be displayed within a frame. It has nothing to do with javascript or HTML, and cannot be changed by the originator of the request. This website has set this header to disallow it to be displayed in an iframe.
x11 - How can I specify a display? - Stack Overflow
Apr 24, 2009 · The second part is X-specific. It gives the X "display" (X server) number and screen number to use. The first (display number) generally refers to a group of devices containing one or more screens but with a single keyboard and mouse (i.e., one input stream). The screen number generally gives the specific screen within that group. An example ...
c++ - .c vs .cc vs. .cpp vs .hpp vs .h vs .cxx - Stack Overflow
I used to think that it used to be that: .h files are header files for C and C++, and usually only contain declarations. .c files are C source code. .cpp files are C++ source code (which can also be C source code).
python - Rotate axis tick labels - Stack Overflow
ax.tick_params(axis='x', labelrotation=90) Matplotlib documentation reference here . This is useful when you have an array of axes as returned by plt.subplots , and it is more convenient than using set_xticks because in that case you need to also set the tick labels, and also more convenient that those that iterate over the ticks (for obvious ...
Changing the tick frequency on the x or y axis - Stack Overflow
A way get around the issue is to set the two simultaneously. If you have matplotlib>=3.5, then you can pass the labels to set_xticks (or set_yticks for the y-axis) as the second argument. If you have matplotlib<3.5, then you can use set to set the two simultaneously. A concrete example may illustrate it better.