Extract Twitter username with python
Below simple code will extract the Twitter username from text using python re module. The Twitter username only allows words, numbers and underscore…
Python Example – Group telephone number using the re module
Below Python example will use the re module to group the telephone number without the ‘-‘ sign and the period ‘.’. Let’s say the phone number has been written in this manner. 123-456-7810. The below python program will group the numbers by taking out both the ‘-‘ sign and ‘.’. The match array now stored…
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Java ArrayDeque example
Below Java program will use ArrayDeque to keep a collection object and then prints those elements out in descending order. The outcome is as follows:-
Accept pipeline object from a function in Power Shell
The below power shell function will accept a pipeline object and display it on the command prompt. By setting the ValueFromPipeline property of a parameter to true a function can thus accept an object through a pipeline within the PowerShell command prompt!
The Mandatory property in PowerShell Parameter attribute
The below PowerShell program will force the user to specify the value of the two variables by setting the Parameter attribute in a function to true. If the user forgets to enter the value of both or either variable of the function then PowerShell will ask the user to enter them.
Here is how to create a collection object which extends ArrayList
The below Java example shows how to create a collection object which extends ArrayList. The below program does two things 1) Adds in a few string objects and one in between 2) Finds the index of a particular string object in the collection object. The outcome is as follows:-
Here is how to write a conditional type chaining program in TypeScript
In the below typescript program, I am applying conditional type chaining to display the outcome on the output console. Conditional types can get chained together to return a specific type. The outcome of the program is as follows:-
Here is how to construct a type based on a subset of properties of another type in Typescript
In order to create a type from another type in TypeScript, used the Pick mapped type which will construct a type based on a subset of properties of another type as follows:- As you all can see Pick allows us to pick properties that require us to create our type from the original type! The…
Use function to replace value of global variable in PowerShell
Here are the steps to replace the value of a global variable in PowerShell:- 1) Create a function like this 2) Before the function calls 3) Next call the above function with a dot in front of it and then replace the value of the global variable with the one specified. The PowerShell’s global variable…
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Here is how to iterate through collection using for loop in Kotlin
The below Kotlin program will iterate through the collection using for loop. The above Kotlin program will display the following outcome:-