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Great Reads

functionExtensions Techniques 1: Throwable Functional Interfaces

by JIANGWilliam

This is the first of three episodes to introduce considerations and techniques used for the throwable functional interfaces defined in my open-sourced library functionExtensions.

In Search of Streaming... Part 2 of 2

by D Sarthi Maheshwari

Discussing about streams... about streaming... about functional streaming... and nothing else.

Overriding JSON Serializer in Giraffe

by Bohdan Stupak

Way to leverage custom serializer in Giraffe framework

Implementing Model View Update Pattern in Typescript

by Volodymyr Kopytin

In this article, we will see how to build a small application in a functional way.

Latest Articles

Embracing Functional Programming in C#

by Nicolas DESCARTES

How to embrace functional programming in C#

Overriding JSON Serializer in Giraffe

by Bohdan Stupak

Way to leverage custom serializer in Giraffe framework

Implementing Model View Update Pattern in Typescript

by Volodymyr Kopytin

In this article, we will see how to build a small application in a functional way.

Currying and Partial Application in C++14

by BlackMATov

One of the currying options and partial application of the functions in C++ which is my personal favourite

All Articles

Functional

functionExtensions Techniques 1: Throwable Functional Interfaces

8 May 2018 by JIANGWilliam

This is the first of three episodes to introduce considerations and techniques used for the throwable functional interfaces defined in my open-sourced library functionExtensions.

How do I create a function that accepts two strings and appends the second string to the first?

27 Apr 2020 by Garth J Lancaster

I think you need to be really careful about the names of your functions vs what you're asking for - your question with 'append' string, yet you've named your function 'prependToString', and have 'appendToString in the console write - they are two...

How do I transform this lambda function into def format?

6 May 2018 by Thomas Daniels

def prune(tree): result = [] for branch in tree: if branch != []: result.append(prune(branch)) return result You were almost there; the only step you missed, was adding the elements to a result list.

Trying to write the code for a function in C

20 Dec 2018 by Rick York

Here's one way. Let's say your location of interest is at position (x,y). You can write a function (or method) called CheckTile and pass it the position to check. Then you can write your check logic something like this: CheckTile( x-1, y ); // to the left CheckTile( x, y-1 ); // the...

In Search of Streaming... Part 2 of 2

11 Mar 2019 by D Sarthi Maheshwari

Discussing about streams... about streaming... about functional streaming... and nothing else.

Overriding JSON Serializer in Giraffe

23 Dec 2021 by Bohdan Stupak

Way to leverage custom serializer in Giraffe framework

Show error for multiple set of MAC address please help

6 Nov 2018 by OriginalGriff

Using MAC addressed for security purposes is not a good idea: they aren't unique, just unique on a particular segment and are very easily spoofed. Plus, you aren't fetching the MAC address for the network adapter in that machine! See here: Retrieving IP and MAC addresses for a LAN[^] - there...

Is it possible to add a tuple who has 2 elements into a single argument?

20 Nov 2018 by Richard MacCutchan

You need to convert the argument from two numbers to a single tuple, by adding an extra set of parentheses thus: print(position((2,2))) # ^ ^ # Extra parentheses make 2,2 into a single tuple.

I am trying to write the code for a function to reveal tiles in minesweeper

23 Dec 2018 by OriginalGriff

The way I would do this is to cheat: My two board array would be bigger than the playing area. If you allow a border round the whole play area: 0 0 0 0 0 0 . . . 0 3 x 3 play area 0 . . . 0 0 . . . 0 0 0 0 0 0 So the array is [5,5] and the "actual play area" is just where the dots are:...

Passing values into another class function gives crazy values when printed

24 Jan 2020 by Richard MacCutchan

void djecja_reduta:: number_of_groups(){ karneval karneval; karneval.number_of_groups(); } This method creates a new karneval object, and then tries to output the total number of groups it contains. But this object does not contain any values for number_home_groups or ...

Why is it necesssary to first capitalize and then replace in Python?

15 Apr 2021 by markkuk

According to the documentation[^] str.capitalize() does the following: Return a copy of the string with its first character capitalized and the rest lowercased. Your code line b=a.capitalize() undoes the changes done on the previous line.

How to write a condition check if all the the elements in the list equal or not to another item

13 Dec 2022 by CPallini

Quote: I want to write shorter condition than this Python y = (website[-4:]!=".com" and website[-4:]!=".net" and website[-4:]!=".org" and website[-4:]!=".gov" and website[-4:]!=".edu") y = not (website[-4:] in site)

How to pass parameters from a function inside a class to another function in java. Look at the split() function in code. Help please.

18 Mar 2018 by Member 13730132

I am new to programming and java. I have created an application to open a file an display information about that . I want to split that file too. In function with RandomAccessFile there is some problem in the passed parameter. In function split() I want to use field fileName from function...

How to pass parameters from a function inside a class to another function in java. Look at the split() function in code. Help please.

18 Mar 2018 by Member 13730132

Calling the split function from the showfiles function made it work

How do I make a muit choice input

7 Apr 2018 by Member 13767746

Today i figured out how to make a function that reacts to a user input. But the problem I have is how to have a muti answer. (it's for a puzzle game.) #the functions over here #function end print("You wake up in a small room, a door in front of you.") print("A sofa behind you, and a desk...

How do I make a muit choice input

7 Apr 2018 by Richard MacCutchan

See 4. More Control Flow Tools — Python 3.4.8 documentation[^].

How to return multi tables in postgres without refcursor?

24 Apr 2018 by souviksardar

I have one procedure in sql server like this::::: CREATE PROC SP_FetchData() as begin select FirstName, LastName from TBl_Users; select TaskId,CreatedBy from TBl_Log; END; I want execute the same query in postgres function without using refcursor. how can I do it? What I have tried: CREATE...

How to return multi tables in postgres without refcursor?

24 Apr 2018 by Wendelius

As far as I know PostGres does not support multiple result sets without cursors like SQL Server does. Basically you could join the result sets for example using UNION ALL operation but that would require that the structure and the data types of both results sets are the same. Based on your...

How do I transform this lambda function into def format?

6 May 2018 by Member 13814092

I am trying to understand the details of this code do: prune = lambda tree : [prune(branch) for branch in tree if branch != []] l = [[[[], []], [[], []]], [[], [], []]] prune(l) But i have not yet learnt the lambda function. What I have tried: I am trying to break it down to the def...

How do I get the function to return complete string

26 Jun 2018 by Member 13887543

i have made a function and im adding 1 to the string im giving as input but function is not returning complete string ...... #include #include char *return_and_pass(char x[]) // OR char return_and_pass(char *s) { int i,carry; i=0; x[i]=x[i] + 1; ...

How do I get the function to return complete string

26 Jun 2018 by OriginalGriff

Look at your code. You add one to the FIRST character in the string: x[i]=x[i] + 1; So the string becomes "223". Then you work out your carry: carry=x[i]/10; which ... doesn't do what you think it does... x[i] is a char value, and contains '2' - that is not the same a the value 2, it's a...

How do I get the function to return complete string

26 Jun 2018 by Kornfeld Eliyahu Peter

You are working with string representation of 123, so you are actually working with the values 31, 32, 33 (ASCII (HEX) values of the char '1', '2', '3')... So no way you would get the 'right' value... Without understanding the reasons for such an obscure code... do this: 1. Reverse the string 2....

How do I echo certain woocommerce product category for product loop

7 Aug 2018 by Member 13884629

Hello, needing some wordpress & woocommerce help here. In content-product.php , I’ve seen this code echo all product categories for each loop product.

I need help with this function! ! ! !

22 Aug 2018 by Patrice T

Quote: SOMEONE PLEASE HELP ME SOLVE THIS?!?!?!?! The help you want is us doing your homeWork. You show no attempt to solve the problem yourself, you have no question, you just want us to do your HomeWork. HomeWork problems are simplified versions of the kind of problems you will have to solve...

coding-challenge

I need help with this function! ! ! !

22 Aug 2018 by Vincent Maverick Durano

READ: Programming Problems and Finding Solutions[^] PS: Adding those exclamation marks on the subject line suggests you are late with your homework, it's rude and no one is interested in that. If you want us to help you, then start doing something by yourself. Show us what you've tried and...

coding-challenge

How do I extract a part of a string in a list and change it into an int.

12 Oct 2018 by Member 13870077

So i have a list of list: [['Musique', 'Shawn Phillips', '2018-08-24', '2018-08-24'], ['Musique', "L'avenue Royale fête l'été!", '2018-08-25', '2018-08-25'], ['Musique', 'Perséides musicales', '2018-08-03', '2018-08-03'], ['Musique', 'Gaétan Leclerc chante Félix et…', '2018-08-17',...

How do I extract a part of a string in a list and change it into an int.

12 Oct 2018 by Richard MacCutchan

for element in obtain_events: if '2018' in element: numbers = element.split('-') ... The variable numbers will be a list containing something like: [ '2018', '08', '24' ]. You can now do what you want with each field, if necessary converting them to...

Python - using a function in another to change a str in a list of list

13 Oct 2018 by Richard MacCutchan

I gave you the answer yesterday in your original question: How do I extract a part of a string in a list and change it into an int.[^]. Please do not repost the same question.

Removing global list and index from a list of sublists.

21 Oct 2018 by Member 13870077

There is a lot function involved but im gonna keep it simple : Here is my code : [['Musique', 'Initiation au tango argentin suivi de la milonga', 182, 231], ['Musique', 'The Singing Pianos', 216, 216], ['Musique', 'Rythmes et détente : Duo Pichenotte', 216, 216]] I want to return only the...

Removing global list and index from a list of sublists.

21 Oct 2018 by CPallini

What's wrong with events = [['Musique', 'Initiation au tango argentin suivi de la milonga', 182, 231], ['Musique', 'The Singing Pianos', 216, 216], ['Musique', 'Rythmes et détente : Duo Pichenotte', 216, 216]] for ev in events: print(ev[1]) ?

Show error for multiple set of MAC address please help

6 Nov 2018 by Jayanta Modak

show error for multiple set of MAC address i create a project here check the mac address process if match then run application else close the application but some time show 061EA6B401C8 this mac address some time D0BF9C07C7EA some time others please help me i have a idea MAC address is fix but...

Is it possible to add a tuple who has 2 elements into a single argument?

20 Nov 2018 by Member 13870077

def position(position): position_piece = 2,2 x,y = position if (x,y) == position_piece: return position_piece else: return None print(position(2,2)) How can i put a tuple into a single argument like position? There has to be a way to do this without adding an...

What is the problems or disadvantages of using interface class

17 Dec 2018 by OriginalGriff

We do not do your homework: it is set for a reason. It is there so that you think about what you have been told, and try to understand it. It is also there so that your tutor can identify areas where you are weak, and focus more attention on remedial action. Try it yourself, you may find it is...

What is the problems or disadvantages of using interface class

17 Dec 2018 by RickZeeland

See articles here: Interfaces in C# (For Beginners)[^] Explicit Interface VS Implicit Interface in C#?[^]

What is the problems or disadvantages of using interface class

17 Dec 2018 by CPallini

Interfaces are valueable themselves (that is they are a neat concept in OOP programming). Then they are also the workaround to the lack of multiple inheritance of the C# programming language. You may easily find all the details in the documentation (and in good books).

Trying to write the code for a function in C

20 Dec 2018 by average_angela

i'm trying write the code for a minesweeper game. trying to write a function in the c language to reveal the tiles around the selected tile if the selected tile has no bombs around it. i think this can be done recursively but got no clue about how to do it that way. the thing is i don't know if...

I am trying to write the code for a function to reveal tiles in minesweeper

23 Dec 2018 by average_angela

hey, i am trying to write the code for a function to reveal the tiles with no bombs around them around the selected code. i have written the code that can reveal the bombs around one tile with the range of 1 and i can use this exact function for all the tiles around the selected one again but...

How do I return string in one function and then print it?

9 Feb 2019 by CPallini

Quote: print (word(- 100)) print (word(- 42)) print (word(13)) The above code is not part of the word function, it is in the global scope (it is NOT indented). If you define def main(): print (word(-100)) print(word(-42)) print(word(13)) then you have to call it in the global scope, in...

Kerberos mathematical function /algorithms

10 Mar 2019 by Member 14176249

Dear i need to get the kerberos mathematical function or algorithms for university project, if its possible to have me these function. thank you very much What I have tried: i had tried several web such as ieee but i did not find it there.

Kerberos mathematical function /algorithms

10 Mar 2019 by OriginalGriff

Google is your friend: Be nice and visit him often. He can answer questions a lot more quickly than posting them here... A very quick search using your subject as the search term gave over a quarter of a million hits: kerberos mathematical function or algorithms - Google Search[^] In future,...

How do I create a vector of functions with different argumen/return types?

5 Aug 2019 by Member 14549814

I want a vector of functions that would look something like this: vector>v; but obviously this didn't work... something like this: #include using namespace std; int f1(int n){ return n*2+2; } string f2(string n){ return n+'!'; } int main(){...

How do I create a vector of functions with different argumen/return types?

4 Aug 2019 by Rick York

Here's one way it can be done. typedef UINT( WINAPI * ThreadFunc )( PVOID ); typedef struct { ThreadFunc function; PVOID argument; } OneFunction; int main() { std::vector functions; OneFunction f; // set the members of f here ...

How do I create a vector of functions with different argumen/return types?

5 Aug 2019 by Stefan_Lang

Don't do this. It's probably doable with variadic templates, but judging by your code you already have enough trouble without templates. Moreover, putting functions (or rather references to functions) into a container eliminates readability, makes your code hard to read and prone to errors. ...

Passing values into another class function gives crazy values when printed

24 Jan 2020 by Member 14726049

I am trying to use int number_of_groups return and pass it into djecja_reduta function this is header file and then printing it for first karneval number_of_groups() gives out normal values but void djecja_reduta::number_of_groups() gives very crazy results and random numbers Example: I...

Passing values into another class function gives crazy values when printed

24 Jan 2020 by Patrice T

Quote: Passing values into another class function gives crazy values when printed Your code do not behave the way you expect, or you don't understand why ! There is an almost universal solution: Run your code on debugger step by step, inspect variables. The debugger is here to show you what...

Fatal error: uncaught error: call to undefined function mysql_real_escape_string()

25 Mar 2020 by Nyssa Ayu

Please help me to fix this Fatal error: Uncaught Error: Call to undefined function mysql_real_escape_string() in C:\xampp\htdocs\webdua\pusing\xxx\proses.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\webdua\pusing\xxx\proses.php on...

Fatal error: uncaught error: call to undefined function mysql_real_escape_string()

25 Mar 2020 by phil.o

Usemysqli_real_escape_string() instead. You should get used to do simple research like this one: simply typing the error (Call to undefined function mysql_real_escape_string()) in your favourite search engine would have brought you an immediate...

Implementing Model View Update Pattern in Typescript

9 Aug 2020 by Volodymyr Kopytin

In this article, we will see how to build a small application in a functional way.

How to modify ascii function in DLL using ollydbg

12 Aug 2020 by Dave Kreskowiak

Google for "replace a string resource in DLL" for options. Keep in mind that this is NOT AN ANSWER! This is POSSIBLE solutions that are not guaranteed to work with your .DLL. If you are modifying a DLL that is signed, your modifications will...

Promises and async functions in javascript

15 Sep 2020 by hmdismail

I wanted to design and implement a RateLimiter function, which allows the following usage: from my understanding, when somebody calls do, the RateLimiter needs to do one of two things with the passed-in lambda: -Start executing it...

Promises and async functions in javascript

15 Sep 2020 by Richard Deeming

Sounds like you need a Javascript semaphore. For example: GitHub - jsoendermann/semaphore-async-await: Promise based Semaphore suitable to be used with async/await.[^]

How to pass parameters in Python function ?

12 Jan 2021 by sk909923

from pyspark.sql import SparkSession from pyspark.sql.functions import * from pyspark.sql.types import * class streaming: def __init__(self, inputformat, input_json_schema): self.inputformat = inputformat, ...

How to pass parameters in Python function ?

12 Jan 2021 by thatraja

I don't know python. But withColumn is a function so you're missing something before that. Probably you need to query. before first withColumn. So make required changes. query = query.withColumn("contains_km",...

How to pass parameters in Python function ?

12 Jan 2021 by Richard MacCutchan

I guess you copied this code from somewhere. See Spark DataFrame withColumn — SparkByExamples[^].

Function not retaining a variable value during recursion.

26 Jan 2021 by Dr Doggo

I am trying to write a simple code to find the sum of all values within a given range in BST using recursion but for some reason, the 'summ' variable is not functioning the way I think it should work. Here is the code def rangeSumBST(self,...

Function not retaining a variable value during recursion.

26 Jan 2021 by OriginalGriff

Writing your code does not mean it is right! :laugh: Think of the development process as writing an email: compiling successfully means that you wrote the email in the right language - English, rather than German for example - not that the email...

How to get a selected value from the <googleplacesautocomplete> in react native and POST it to the API

8 Feb 2021 by Member 15067760

const GooglePlacesInput = () => { const [city, setcity] = React.useState(''); useEffect(() => { console.log() }) const onRequestTagClick = async () => { const token = userSession.getAccessToken(); const requestData = { ...

Why is it necesssary to first capitalize and then replace in Python?

15 Apr 2021 by Pooja Ekbote

Write a function that capitalizes the first and fourth letters of a name The output should be --> old_macdonald('macdonald') --> MacDonald def old_macdonald(name): a=name.capitalize() b=a[3].capitalize() c=a.replace(a[3],b,1) ...

Why is it necesssary to first capitalize and then replace in Python?

15 Apr 2021 by CPallini

Because the second call to capitalize removes the effect of the first one def old_macdonald(name): a=name.replace(name[3],name[3].capitalize(),1) # this makes the fourth character uppercase b=a.capitalize() # this makes the first...

The function definition in haskell

3 May 2021 by Member 13702159

hi, could you please explain the declaration below? I am trying to understand but this one is not intuitive to me. add :: Integer -> Integer -> Integer --function declaration add x y = x + y --function definition why...

The function definition in haskell

3 May 2021 by CPallini

Here some insight: A Gentle Introduction to Haskell: Functions[^].

How to encrypt the count of vowel in a string

15 Aug 2021 by timothee chalamet

i came through a question which states that to define a function vowelEncryption which accepts an argument str representing a string value which contains only alphabets. . the function must encrypt the given string by replacing the...

How to encrypt the count of vowel in a string

15 Aug 2021 by Richard MacCutchan

You are only capturing single vowels. You need to use a flag to identify when the substring changes from vowel to consonant and vice versa. Something like: count=0 vowel = False for letter in sentence: if letter in vowels: ...

Count even numbers javascript function.

17 Aug 2021 by gabriel19971029

Hi! I'm writing a function that counts all even numbers of an array, and it works pretty well, but, I don't know how to avoid counting empty strings or empty arrays as O while counting the number 0 as even. Here is my code: function...

How do I implement this function in Python?

26 Aug 2021 by OriginalGriff

Read the question again: you have to display a message at regular intervals. So ... the first thing you will need is a loop of some form ... Read it carefully - it tells you exactly what to do, and the code you show doesn't fit it at all!

What's the best practice element to use when allowing selection in C# website?

19 Oct 2021 by DerekT-P

I don't know about "best practice" in this use case; however - depending on the number of words involved - you may find the overheads of setting up many separate controls are excessive... if only in terms of page size. I'd probably approach...

How do I change this into multiple functions?

5 Dec 2021 by MissMacDaddy

I need to create a program in Kotlin (or swift) with separate Value Returning Functions (dollars(), quarters(),dimes(),nickels(),pennies()) that counts how many dollars, quarters, dimes, nickels, and pennies are in my total. I have created the...

How do I change this into multiple functions?

5 Dec 2021 by Richard MacCutchan

Here is a sample that may help. It is far from perfect but should give you an idea how to proceed. Ideally you would have another function that is called to do the printing, but you can leave that for the next assignment. fun main(args:...

Python: I need to get my values to print using __str__ but I dont know how

13 Feb 2022 by OriginalGriff

This is the same question you asked yesterday: Python: I need to get my values to print using __str__ but I dont know how[^] And the solution is the same: read up on __str__ using the link you were given then, and think about what you are being...

How I add values from an array brought from firebase and display them in a label

15 Aug 2022 by Member 15737857

I am doing my project in ionic 6 with angular and a firebase database. I need a typescript function that adds the values fetched from an array that are extracted from a collection in firebase. async getGastos() { const uid = await...

How can get ordered by result within a function in SQL server

4 Nov 2022 by Member 10604657

I have a function in SQL server and I used it in an application that I don't have access to its source file,so I cannot change the application. this function is likes below: create function f1(param1 int) Returns @rep Table (Id Int,T_Date...

How can get ordered by result within a function in SQL server

4 Nov 2022 by Richard Deeming

You can't. Any query that selects from a table, view, or table-valued function without explicitly specifying an ORDER BY clause will receive the results without any particular order applied. There may be some cases where it seems like SQL...

How to write a condition check if all the the elements in the list equal or not to another item

13 Dec 2022 by Rama Aljelani

I want to write shorter condition than this y = (website[-4:]!=".com" and website[-4:]!=".net" and website[-4:]!=".org" and website[-4:]!=".gov" and website[-4:]!=".edu") What I have tried: website = str(input("Enter your URL: "))...

How to solve this problem by Python

15 Dec 2022 by OriginalGriff

Quote: I want a better and easier code please. While we are more than willing to help those that are stuck, that doesn't mean that we are here to do it all for you! We can't do all the work, you are either getting paid for this, or it's part of...

How to solve this problem by Python

16 Dec 2022 by Richard MacCutchan

How about this: vowels = 'aeiou' word = input('Enter your word: ') for x in range(len(word) - 1): if word[x] in vowels and word[x] == word[x + 1]: newword = word[:x] + word[x+1:] print(word,...

How to solve this problem by Python

11 Jan 2023 by Reverend Jim

Not sure what should happen with more than two consecutive vowels but what about word = input('Enter your word: ') out = '' last = '.' vowels = 'aeiouyAEIOUY' for letter in word: if letter in vowels: if last not in vowels: ...

Working With Numerical Lists in Functional Languages

5 Nov 2018 by José Cintra

Calculating some mathematical sequences and series with the Haskell programming language

Currying and Partial Application in C++14

4 Nov 2019 by BlackMATov

One of the currying options and partial application of the functions in C++ which is my personal favourite

functionExtensions Techniques 3: Repository

9 May 2018 by JIANGWilliam

This is the third of three episodes to introduce considerations and techniques applied in Repository classes in my open-sourced library functionExtensions.

Count even numbers javascript function.

17 Aug 2021 by Richard MacCutchan

I would suggest you go to JavaScript Tutorial[^] and work through the tutorials.

Embracing Functional Programming in C#

1 Feb 2024 by Nicolas DESCARTES

How to embrace functional programming in C#

Functional Programming

13 May 2019 by Mahsa Hassankashi

Functional Programming Advantages

I am an experienced C/C++ programmer looking to advance my knowledge of scheme; any suggestions?

10 Jan 2021 by Keith.Badeau

I am looking for Scheme-oriented learning material geared towards experienced programmers. I already have some experience with Scheme and I would like to move to another level. What I have tried: I learned Scheme itself from multiple...

Count even numbers javascript function.

17 Aug 2021 by Richard Deeming

If you only needed to test for actual numbers, this would be simple. However, things are complicated by the fact that you want to treat a string containing the decimal representation of a number as the number it represents. I'd suggest creating...

I am an experienced C/C++ programmer looking to advance my knowledge of scheme; any suggestions?

12 Apr 2012 by Lakamraju Raghuram

Here are few of your statements1. "I am a programmer of sorts so I do not need tutorials or articles to explain *every* detail--only the language, not "programming" (unless it is a functional pattern, of course)"2. "I am looking for Articles, papers, tutorials"3. "I'm trying to learn...

How do I implement this function in Python?

31 Aug 2021 by Mehrez Kanzari

I'm trying to implement the monitor function in Python. This function must display at regular interval the date followed by the return of the "measure" function. It stops after `cycles` executions and the interval will never be less than 1. The...

I need help with this function! ! ! !

22 Aug 2018 by Member 13958388

SOMEONE PLEASE HELP ME SOLVE THIS?!?!?!?! SelectKRandomPointsPurposeSelectKRandomPoints generates a list of k randomly selected pixelsfrom an image. Input(s):It takes twoinputs in the following order: 1)A 3D image array from which to select points from 2)The number of points to randomly...

coding-challenge

How do I create a function that accepts two strings and appends the second string to the first?

3 Nov 2020 by Pseudocode01

Been bashing my head trying to solve this practice problem: Write a function called appendToString, which accepts two strings. The function should return a new string which consists of the second string appended to the first string. example:...

How to modify ascii function in DLL using ollydbg

12 Aug 2020 by jack dannils

http://i.epvpimg.com/jSVEbab.p...

How do I create a function that accepts two strings and appends the second string to the first?

3 Nov 2020 by Member 14983381

Hey, the code below is a function that accepts two strings in JavaScript. let x = appendToString("Hello," , " World!"); // Hello, World! console.log(x); function appendToString(a, b) { return a + b; } //If you want to add more strings simply...

Python - using a function in another to change a str in a list of list

13 Oct 2018 by Member 13870077

Here's the return of my function: [['Musique', 'Shawn Phillips', '2018-08-24', '2018-08-24'], ['Musique', "L'avenue Royale fête l'été!", '2018-08-25', '2018-08-25'], ['Musique', 'Perséides musicales', '2018-08-03', '2018-08-03'] I have to use a loop to i can search all those index and...

What is the problems or disadvantages of using interface class

17 Dec 2018 by ahmed_sa

I work on c# on visual studio 2015 i read and using interface class more public interface dataInterface { //prototype function here } and it have big role in solving multi inheritance on csharp so that What is the problems or disadvantages of using interface ? What I have tried: what is...

How do I return string in one function and then print it?

9 Feb 2019 by Member 14141186

I am using Python 3.7 and I have some questions about my code. what does "returning the string only" mean? If a function is just returning the string, how can I print that - returned string at the end of my code? For example, if I write the following code: def word(num): d1=...

What's the best practice element to use when allowing selection in C# website?

19 Oct 2021 by Chana Gross

To display text where each word is selectable. Which Html element is recommended to surround each word. I would like it to be visible to the user and underline when selected. What I have tried: This doesn't didn't reference to my call of the C#...

Use neural network model in function for optimizing some variables in Python

9 Feb 2022 by Member 15530401

I have a neural network model (model.predict in code) which fitted our data, and now we want optimized some variables that exist in the model. my code are attached below, def objective_function(X): wob = X[0] torque= X[1] RPM = X[2] ...

Python: I need to get my values to print using __str__ but I dont know how

13 Feb 2022 by LH Alpha

(please note I need to use two classes and the __init__ and __str__)I need to print out the values of my code using str but it's not printing out I am confused because I feel like I added all the attributes correctly and it gets all the values...