jquery ajax tutorial with get and post method example
What is ajax AJAX stands for Asynchronous Javascript and XML and is used to fetch or send data from or…
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How to delete a directory in java
A file and directory in java can be deleted by using delete method on java.io.File object which points to the…
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How to get last modified date of a file in linux
Many times you need to check the time a file or folder was last modified to ensure that you have…
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How to lock a file for writing in java
In a multi-threaded application where multiple threads are accessing a resource at the same time, it becomes necessary to handle…
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How to kill a process listening on a port in linux
Sometimes a program or an application stops responding or you are working on a terminal and want to stop a…
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How to find process running on port in linux
Often we need to find out a process or a service running on some port. This is because we have…
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Check if object is empty javascript
A javascript object is a collection of properties in key-value pairs. An empty object means an object which does not…
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How to check if a key exists in an object in javascript
If some property with a given key is accessed in the object and it is not present, then an error…