Snippets
string

How-to articles, tricks, and solutions about STRING

ValueError: could not convert string to float: id

This error message is indicating that the program is trying to convert a string to a float, but the string is not a valid number.

string python floating-point

What are all the escape characters?

In Java, an escape character is a character that is preceded by a backslash (\) and is used to represent special characters or character sequences.

java string escaping

What does the 'b' character do in front of a string literal?

The 'b' character in front of a string literal indicates that the string is a bytes literal.

string python unicode binary

What is the Difference Between JSON.stringify and JSON.parse

Read this JavaScript tutorial and learn about two useful JSON methods that are used for converting JavaScript object into string and vice versa easily.

javascript json string javascript object

What is the difference between single-quoted and double-quoted strings in PHP?

In PHP, single-quoted strings and double-quoted strings are very similar, with a few key differences.

php string syntax

What is the Difference Between Substr and Substring

Read this JavaScript tutorial and learn about the two String manipulation functions, namely, substr() and substring() methods and difference between them.

javascript string function

What is the easiest/best/most correct way to iterate through the characters of a string in Java?

There are several ways you can iterate through the characters of a string in Java.

java string character iteration tokenize

Why can't I use switch statement on a String?

In the Java programming language, you can use a switch statement to choose between a fixed number of alternatives.

java string switch-statement

Why does comparing strings using either '==' or 'is' sometimes produce a different result?

When comparing strings using the '==' operator, the comparison is based on the actual characters in the string.

string python comparison identity equality

Why is char[] preferred over String for passwords?

It is generally considered more secure to use a char[] array to store passwords because it can be wiped from memory more easily than a String object.

java string char security passwords

Why is it string.join(list) instead of list.join(string)?

The join() method is a string method, so it is called on a string object and takes a list of strings as its argument.

string list python

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