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- 5 min readIn Rust, you can create a map of strings to functions using a HashMap. First, you need to define the functions that you want to map to the strings. Then, you can create a HashMap where the keys are strings and the values are function pointers or closures. Here is an example of how you can achieve this: use std::collections::HashMap; fn function1() { println!("Inside function1"); } fn function2() { println.
- 7 min readTo instantiate a struct for testing in Rust, you can simply create a new instance of the struct by providing values for its fields. First, define the struct with its fields and their data types. Then, create a new instance of the struct using the struct's name followed by curly braces {} containing the values for the fields. You can then use this instance in your tests to run assertions or perform operations on it.
- 4 min readTo annotate a 3D plot on Matplotlib, you can use the annotate function. This function takes in the text you want to annotate the plot with, as well as the coordinates you want to place the annotation at.To add an annotation to a 3D plot, you first need to create a 3D axis using the ax = fig.add_subplot(111, projection='3d') function where fig is your figure object. Then, you can use the annotate function to add annotations to specific points on the plot.
- 7 min readTo deploy and interact with a Rust websocket, you can use the websocket-async library which provides a high-level API for working with websockets in Rust. To deploy a websocket server, you can create a new websocket server instance and bind it to a specified address and port.To interact with the websocket, you can use the connect method to establish a connection to a websocket server.
- 4 min readTo set two time formatters in matplotlib, you can create two instances of the DateFormatter class with different date format strings, and then use them to format the tick labels on the x-axis of your plot. First, instantiate the DateFormatter class twice with the desired format strings for each time unit (e.g., day and month). Then, use the set_major_formatter and set_minor_formatter methods of the Axis class to apply the formatters to the major and minor tick labels on the x-axis, respectively.
- 4 min readSerialization in Rust involves converting data into a format that can be easily stored or transmitted. When it comes to primitive types, such as integers, floats, booleans, and characters, serialization can be done using the serde crate, which is a widely used serialization and deserialization framework in Rust.To serialize primitive types using serde, you can implement the Serialize trait from the serde crate for each type you want to serialize.
- 4 min readTo set a title inside subplots using matplotlib, you can use the set_title() method of the subplot object. This method allows you to specify the title of each individual subplot within a figure. Simply call the set_title() method on the desired subplot object and pass in the title as a string. This will set the title for that particular subplot.
- 7 min readTo properly convert a Rust string into a C string, you can use the CString type provided by the std::ffi module in Rust. The CString type represents an owned, C-compatible, nul-terminated string, which is necessary when interfacing with C code.To convert a Rust string into a C string, you can use the CString::new method, which takes a reference to a Rust string and returns a Result containing the resulting CString.
- 3 min readTo resize the legend element in matplotlib, you can use the fontsize parameter when calling the legend() function. This parameter allows you to specify the font size of the legend text. Simply provide the desired font size as an argument to the fontsize parameter to resize the legend element in your matplotlib plot.[rating:c36a0b44-a88a-44f5-99fb-b0a6f274c6bc]What is the impact of aligning legend elements horizontally on matplotlib plot.
- 5 min readTo print out a byte variable in Rust, you can use the println! macro with the format specifier {:X} to display the byte in hexadecimal format. Here's an example code snippet: fn main() { let byte_var: u8 = 65; println!("Byte variable in hexadecimal format: {:X}", byte_var); } This will output: Byte variable in hexadecimal format: 41 You can adjust the format specifier and use other formatting options as needed to display the byte variable in different ways.
- 3 min readTo draw a general equation with matplotlib, you first need to define the equation you want to plot. This can be any mathematical expression or function that you would like to visualize. Once you have your equation, you can create a range of x values over which you want to plot the equation.Next, you can use matplotlib to create a figure and axis object.