How to Make First Letter of Words Uppercase in a String in Go
In Golang, using the cases package is the easiest way to make first letter of words uppercase in a string.
Using cases Package
install
Use the following command to download the repository to the local file system.
install
go mod tidy
...
How to Create Multiline Comments in Python
In Python, using the triple-quoted strings is the easiest way to create multiline comments.
Using triple-quoted Strings
String literals can span multiple lines. One way is using triple-quotes: """...""" or '''...'''.
You can use triple-quoted strin...
How to Prettyprint a JSON File in Python
In Python, there are 2 ways to prettyprint a JSON file.
Using json module
The json module already implements some basic pretty printing in the dump and dumps functions, with the indent parameter that specifies how many spaces to indent by:
#!/us...
How to Generate a UUID in Go
In Golang, there are 4 ways to generate a uuid.
Using uuid Package
install
Use the following command to download the repository to the local file system.
install
go mod tidy
go get github.com/google/uuid
go install github.com...
How to List all Standard Packages in Go
In Golang, there are 2 ways to list all standard packages.
Using packages
go install
Use the following command to download the repository to the local file system.
install
go get golang.org/x/tools/go/packages
go install golang.or...
How to Remove Packages Installed with go get in Go
In Golang, there are 3 ways to remove packages installed with go get.
Using go mod tidy
go mod tidy ensures that the go.mod file matches the source code in the module. It adds any missing module requirements necessary to build the current module’s p...
How To Split a list into equally sized chunks in Python
In Python, there are 3 ways to split a list into equally sized chunks.
Using List Comprehension
List comprehensions provide a concise way to create lists. The following example:
#!/usr/bin/python3
# -*- coding: utf8 -*-
# initialize
lst = ['a'] *...
How To Install Go in Linux
In Golang, there are 2 ways to install Go in Linux.Download Packages
Download packages for Windows 64-bit, macOS, Linux, and more.
Go install
Linux
Remove any previous Go installation by deleting the /usr/local/go folder (if it exists), then extr...
Hello World in Rust
In Rust, "Hello World!" is the first basic program.
Build and Run
In our main.rs, add the following code:
// main.rs
fn main() {
println!("Hello,世界,こんにちは,안녕하세요")
}
Hello,世界,こんにちは,안녕하세요
we can run our application by typing:
B...
How To Install Rust in Linux
In Rust, there are two ways to install rust in Linux.Running the following in your terminal
If you’re running macOS, Linux, or another Unix-like OS. To download Rustup and install Rust, run the following in your terminal, then follow the on-screen i...
How to define python source code encodings
Correct way to define Python source code encoding.PEP 263
Python will default to ASCII as standard encoding if no other encoding hints are given.
PEP 263 defines how to declare Python source code encoding.
Using Coding
To define a source code encodin...
How to convert string to json in Python
Converting Json to string in Python.Decoding JSON
To convert string to json in Python, use the json.loads() function. The json.loads() is a built-in Python function that accepts a valid json string and returns a dictionary to access all elements. The...
Hello World in Python
Hello, World! is the first basic program in any programming language.Python Version
Print the Python version number and exit. Example output could be:
Python version
python -V
python --version
Python 3.9.1
Running Files with Command Lines
You c...
How to handle If-modified-since header in PHP
Reduce Bandwidth Usage by Supporting If-Modified-Since in PHP.
If-Modified-Since
The If-Modified-Since request HTTP header makes the request conditional: the server sends back the requested resource, with a 200 status, only if it has been last modif...
Hello World in Go
Hello, World! is the first basic program in any programming language.source code
package main
import "fmt"
func main() {
fmt.Println("Hello,世界,こんにちは,안녕하세요")
}
To run the program
Go is a compiled language. The Go toolchain converts a source pro...