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Monk was surprised to see a new game called, "Conversion Game". In this game, two arrays of N integers A1,A2...AN and B1,B2...BN are playing against each other and Array A wants to convert itself in Array&
Hash:
Hashes are way of storing data in key-value pair format. Key can be any ruby object ( i.e. string, numbers ). Here we will see some of mostly used methods for hashes.
1) Creating/Initializing a hash:
Hash can be created in differen
A deadlock is state in which an application locks up because of the multiple processes are waiting for each other to finish. Basically, this situation takes place in multithreading software in which a shared resource is used by first thread and secon
Hello Reader's if you want to get the details about the vedio from your local server then you can use the code liberary as below:-
$ffmpeg_path = 'ffmpeg'; //or: /usr/bin/ffmpeg - depends on your installation
$vid = 'PATH/TO/VIDEO'; //Replace he
Dear all,
I have a code to modify a file. This code make changes on my file and save it to a new file. But, I want to have changes(modifications) on my original file not a new one. I made attempts to change the code but it didn't work. How can I
Sometimes we need to validate an email address using regex in our script in automation.
In the below code I have used "^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@" + "[A-Za-z0-9-]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$" pattern which mean
SQL Cross means cartesian product of the rows of two or more tables . It return all the rows of the table when each row of the first table combined with the each row of the second table . It is also known as cartesian or cross join .
Cross Join can b
Hi, In this blog I tried to provide an efficient solution for a famous coin exchange problem using dynamic problem in bottom up approach whose time complexity is O(mn).
Problem Definition
In coin exchange problem you can think of a coin v
In this Join all the content of both table will come in resultant table either they will be matched or not .
Outer Join are of two types :
1) Left Outer Join -> It is also known as left join . In left join all the content of left table will come i
If user want to change role of password in pgadmin
Run these commands in Terminal
1- sudo -u postgres psql
2- sudo -u postgres psql template1
3- ALTER ROLE postgres WITH PASSWORD 'openpgpwd';
