Here’s a list of what I see wrong: deep breath The indexing syntax (:1) is incorrect. Perhaps you mean (:,1) as in “all rows of column 1”. There is no such thing as a do…while loop in MATLAB. Only FOR and WHILE loops. Also, your for loop is defined wrong. MATLAB has a different syntax … Read more
The “is” operator takes 2 operands and returns a boolean value representing the ability for the first operand to be cast into the second operand. For example: if(object1 is ClassA) //returns true if object1 is derived from ClassA or can be cast into ClassA. 5 solved What does the `is` operator do in C#?
The call to DeleteFile() does work and in your case it did work. DeleteFile() is contracted to delete the file you specify, if it can be deleted. If the file could be deleted, then it will be. If the file could not be deleted then it will not be. If DeleteFile() returns false, what the … Read more
function do_multiply($a, $b) { $res = 0; while($b > 0) { $res += $a; $b = $b-1; } return $res; } 4 solved mulpicaton by addition [closed]
The easiest way is probably #include <iostream> #include<string> using namespace std; int main (){ int a=2; while(a<=6){ cout<< a << std::string((a/2),’*’) <<endl; // ^^^^^^^^^^^^^^^^^^^^^^ a+=2; } return 0; } 0 solved how to print char in multiple times in c++
From the standard N4687: 20.5.4.3.2 Macro names 1 A translation unit that includes a standard library header shall not #define or #undef names declared in any standard library header. 2 A translation unit shall not #define or #undef names lexically identical to keywords, to the identifiers listed in Table 4, or to the attribute-tokens described … Read more
You can use String#match with a RegExp. You can use Array#map afterwards to convert the strings to numbers if needed. var str=”156p1m2s33c”; var numbers = str.match(/\d+/g); console.log(numbers); What’s wrong in your code: cust_code and url are not part of the function. Refer to str. You declare prodId twice. You don’t handle the number between “s” … Read more
Using jQuery the code will become function openNav() { $(“#myNav”).height(“100%”); } function closeNav() { $(“myNav”).height(“0%”); } solved how to translate plain javascript in jquery
You can use floor to round down, and the modulo (%) operator to determine how many bottles are left. $bottles = 100; $bottles_per_case = 12; print “There are ” . floor($bottles / $bottles_per_case) . ” cases…”; print “With ” . ($bottles % $bottles_per_case) . ” bottles left over”; solved Best way to round down in … Read more
You can do that by passing an array as first argument: $res = str_replace(array(‘ ‘, ‘-‘, ‘,’), ”, $str); You can test it here at phpfiddle.org. str_replace() PHP’s function let you choose if the three parameters will be a single value or an array. 0 solved How can I use an array in str_replace() function?
Java programs (like all programs) require a CPU and memory to operate instructions. Both elements are complex electrical circuits, they cannot work without electricity. The only thing you can do to persist the state of your application, is to write information regarding that state to disc. The Google File System uses this method to ensure … Read more
Not sure what you were trying to do in your code, but just start at 1, check and increment. The loop will stop as soon as $i is not found in the array: function solution($A) { for($i=1; in_array($i, $A); $i++); return $i; } 1 solved Smallest integer that is not present in the array
A function works like this: The first line of code public int foo (int n, int f) is the function declaration with its visibility (public), its return data type (int), its name (foo) and its parameters (n of the type int and f of the type int). What the visibility is, is not important for … Read more
Please follow comments mentioned at every step public class Main { public static void main(String[] args) { int[] numbers = {1, 2, 3}; // create a new array of intergers as {1,2,3} int length = numbers[2]; // assign 3 to variable ‘length’ char[] chars = new char[length]; // create a char array of size 3 … Read more
First thing you dont need to apologie for been a newbie , we all were newbie at some point in our career and we still learn new thing everyday Second you need to use filter on the second array and return a new array based on the index that you did filterd var array1 = … Read more