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Python How to check the variables type?
In Python, we can use type() to check the variable’s type.
Date: 2019-08-11 View: 1318
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Python How to convert int to String
In Python, we can use str() to convert a int to String.
Date: 2019-08-11 View: 1365
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Python How to convert String to float
In Python, we can use float() to convert String to float.
Date: 2019-08-11 View: 1315
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Python How to use a global variable in a function
In Python, we can use a global keyword to referring a global variable.
Date: 2019-08-11 View: 1614
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Java How to convert System.nanoTime to Seconds
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: 2045
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Python How to check if a file exists
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: 1586
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Python Check if a String contains another String?
In Python, we can use in operator or str.find() to check if a String contains another String.
Date: 2019-08-11 View: 1264
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Python Count the number of items in a list
In Python, we can use len() to count the number of items in a List
Date: 2019-08-11 View: 1346
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Java How to join List String with commas
In Java, we can use String.join(",", list) to join a List String with commas.
Date: 2019-08-11 View: 1266
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Maven List all the projects plugins
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: 1207
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Java How to convert Bytes to Hex
In Java, you can use String.format("%02x", bytes) to convert bytes to hex easily.
Date: 2019-08-11 View: 1512
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Java List of available MessageDigest Algorithms
In Java, you can use the Security.getAlgorithms("MessageDigest") to list all the available MessageDigest algorithms.
Date: 2019-08-11 View: 1039
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Java Find the length of BigInteger?
In Java, we can convert the BigInteger to a String object and get the length of the String.
Date: 2019-08-11 View: 1224
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mvn site : java.lang.ClassNotFoundException: org.apache.maven.doxia.siterenderer.DocumentContent
Generating a Maven report with mvn site, but hits the following errors
Date: 2019-08-11 View: 2053
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Maven SpotBugs example
In this article, we will show you how to use SpotBugs Maven Plugin to find bugs in Java code.
Date: 2019-08-11 View: 2146