In Java, we can use List.size() to count the number of items in a List

Date: 2019-08-11 View: 1545

In Python, we can use int() to convert a String to int.

Date: 2019-08-11 View: 1610

In Python, we can use type() to check the variable’s type.

Date: 2019-08-11 View: 1677

In Python, we can use str() to convert a int to String.

Date: 2019-08-11 View: 1754

In Python, we can use float() to convert String to float.

Date: 2019-08-11 View: 1680

In Python, we can use a global keyword to referring a global variable.

Date: 2019-08-11 View: 1909

We can just divide the nanoTime by 1_000_000_000, or use the TimeUnit.SECONDS.convert to convert it.

Date: 2019-08-11 View: 2405

In Python, we can use os.path.isfile() or pathlib.Path.is_file() (Python 3.4) to check if a file exists.

Date: 2019-08-11 View: 1842

In Python, we can use in operator or str.find() to check if a String contains another String.

Date: 2019-08-11 View: 1556

In Python, we can use len() to count the number of items in a List

Date: 2019-08-11 View: 1617

In Java, we can use String.join(",", list) to join a List String with commas.

Date: 2019-08-11 View: 1552

In Maven, you can use mvn help:effective-pom to list all the current project’s plugins and its version.

Date: 2019-08-11 View: 1619

In Java, you can use String.format("%02x", bytes) to convert bytes to hex easily.

Date: 2019-08-11 View: 1848

In Java, you can use the Security.getAlgorithms("MessageDigest") to list all the available MessageDigest algorithms.

Date: 2019-08-11 View: 1316

In Java, we can convert the BigInteger to a String object and get the length of the String.

Date: 2019-08-11 View: 1542