Advertisements def run_my_func(runner, *args, **kwargs): runner(*args) def my_func(name): return name out = run_my_func(my_func, "my name is john", kwargs=None) print(out) Why does this print out None? If I print out the name like so: def run_my_func(runner, *args, **kwargs): runner(*args) def my_func(name): print(name) return name out = run_my_func(my_func, "my name is john", kwargs=None) print(out) I get the… Read More Why does this function passed as an argument to another function return None?

Advertisements Can someone help me with an explanation of how to understand the ! operator in function calls in C? For example, bool misspelled = !check(word); The check() function in this case is supposed to return a bool. So does the ! here mean that misspelled will be assigned the opposite value of whatever check()… Read More Using ! in a function call in C

Advertisements I wonder how to find the common separator between two-part words as long as the separator is defined within "[^[:alnum:]]+" in a string vector? For example, in the first vector, the common separator is ".", and in the second vector, the common separator is "_". Is it possible to have a function that accepts… Read More How to find the separator between words in a string vector

Advertisements I am trying to measure elapse time for different functions with simple method like this: def taketime(executable,exname=’method’): tic = time.time() exname = executable.__name__ out = executable toc = time.time() print(‘Time taken for ‘,exname,’ ‘,toc-tic,’ sec’) return out Executable is another method, can be whatever. Nevertheless, the program does not work as the line exname… Read More Get function passed as an argument name inside another function

Advertisements I have a function function readExcel(){ require_once ‘SimpleXLSX.php’; use Shuchkin\SimpleXLSX; if ( $xlsx = SimpleXLSX::parse(‘book.xlsx’) ) { print_r( $xlsx->rows() ); } else { echo SimpleXLSX::parseError(); } But when I call readExcel() I got error Parse error: syntax error, unexpected token "use" Help please.. >Solution : You can’t do this. From the manual: The use… Read More PHP – Calling Use from another Function

Advertisements I am learning the basics and I just cannot hack this one: This function will be called with an array and should return a new array containing only the alternate elements starting from index 0. If the array is empty or contains only 1 item, return the original array. makeAlternatingArray([‘hey’, ‘hi’]); // should return… Read More To Make alternating array

Advertisements As I learn Python, I’m wondering if possible to define two functions in a single function? I’ve made an attempt with the following code/MWE to simulate cleaning a dataset of dates: #COMBINED FUNCTION def combined_function(entry): for char in bad_chars: date = entry.replace(char,"") if "-" in date: split_date = date.split("-") date_one = int(split_date[0]) date_two =… Read More Defining Two Functions at Once?

Advertisements #include <stdio.h> int main(void){ FILE *ptr; ptr = fopen("example.txt", "r"); if (ptr == NULL){ printf("File not opened or found"); return 1; } char str[20]; fgets(str, sizeof(str), ptr); printf("Read text from example.txt is: %s\n", str); return 0; } I’m new to C and i got quite a lot confused about the basic file access logic… Read More Can't open a text file in C from which i want to read text as data and write it into an array

Advertisements Write a function triangle_area(base, height) that takes the base and height of a triangle as input and returns the area of the triangle. this is the code I wrote in py def triangle_area(base, height): area = (base*height) / 2 in1 = int(area) flo1 = float(area) i = 0 x = 0 s = str(area)… Read More Calculate Triangle Area: Can a Python function find the area with base and height?

Advertisements To open and close div I used the following code: $(‘#addvisit’).on(‘click’, function(e) { e.stopImmediatePropagation(); $(‘#fechvisit’).slideToggle(‘slow’); }); <script src=”https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js”></script&gt; <button type=”button” id=”addvisit” class=”hs-button primary large”>Adicionar Visitante</button> <div id=”fechvisit” style=”display: none;”> <div class=”row”> <div class=”col-xs-12″> <div class=”form-group”> <label for=”titl”> <strong>NOME VISITANTE</strong></label> <select class=”js-states form-control” name=”titl” id=”titl”> <option></option> <option value=”teste”>teste</option> <option value=”teste1″>teste1</option> </select> </div> </div> </div> <div… Read More Clear fields when closing div