How to detect changes in a directory in java / How to monitor a directory using java
Monitoring directory : Meaning & Reason Monitoring a directory or a folder means keeping a watch on that directory for…
4 Min Read
How to list files in a folder matching some criteria / How to use FileNameFilter in java
Why use File filters Many times it happens that only files of certain type are required. Type may mean files…
1 Min Read
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{ “slotId”: “7198544075”, “unitType”: “responsive”, “resize”: “auto” }
1 Min Read
How to check the type of a value in javascript / How to check type of a variable in javascript
Overview Determining the type of a value stored inside a variable is very important in any programming language but in…
1 Min Read
How to increment the value of an element using jQuery / How to add 1 to an element value using jQuery
Problem Get the value of an element such as a span or a text field using jQuery and increment its…
3 Min Read
How to create enum in java / Everything about enums in java
What is an enum ? An enum is a kind of data type in java which can contain a fixed…
5 Min Read
How to check if array contains a value in java in 5 different ways
Many times developers encounter this scenario where they have an array of string values and another single string value and…
1 Min Read
How to execute a database script in java / Various ways to execute a database query file in java
A database script is a file which contains multiple queries separated by some separator. Executing a script is most commonly…
2 Min Read
How to shuffle an ArrayList in java / Shuffle an ArrayList without Collections framework / Various ways to shuffle an ArrayList in java
Shuffling the contents of an ArrayList is a problem which can test the logic of a person and also demonstrates…