How to use multiple condition in one foreach loop?

Use two loops: foreach ($products as $product) { foreach ($categories as $category) { // using $product and $category } } I had the same question today as the OP. I figured I can split up the problem by first merging the two arrays and then performing the...

Why do Primitive Data Types have a Fixed Size?

As low-level programming languages, the designs of C and C++ closely follow what common hardware is capable of. The primitive building blocks (fundamental types) correspond to entities that common CPUs natively support. CPUs typically can handle bytes and words...

how do i count the words in a string list

Shouldn't it be string[] words = s.Split(' '); Even if we say your word is s.Split(' '); then it should be string[] words = word not string[]=word And to count how much words are in that array just do int howManyWords = words.Length; Also if you want to go...

Data from text file to dataframe

Here you go! It's really fast. For a file with ~11 million lines (made by copying and pasting your sample file over and over again), it took about 22 seconds on my machine, and produced a dataframe with 2.2 million rows. Note: I wasn't sure quite how to handle...

Unexpected output when creating a List of Lists in Java

You are adding all the integers to the same inner list (the one that you create at the start of your method with the statement List<Integer> l1 = new ArrayList<Integer>();). You should create a new List before adding elements to it: for(int i=1;...

how to calculation cost time [closed]

I think I understand what you're asking. You just want to have a new dataframe that calculates the time difference between the three different entries for each unique order id? So, I start by creating the dataframe: data = [...

how to disable button on change using jquery

you can do this as am assuming a image and am checking the resolutions and then i disable or enable the button as per requirements and also am clearing selected image so user can't upload the wrong format . <script> var _URL = window.URL ||...

Detect and uninstall antivirus

You could try the following, from https://community.spiceworks.com/scripts/show/3161-detect-and-remove-software-powershell: ################################################ # Powershell Detect and Remove software script # # # # V1.0 - Gav #...

return statement in c ??? why this function always returning 20?

You have a problem in your code. Change scanf("%d",arr[i]); To scanf("%d",&arr[i]); This is done because scanf expects an argument of type int* but you provide argument arr[i] which is of type int. Also add a check that ends the program if user inputs a...

How to add Bootstrap? [closed]

By adding the CDN <html> <head> <title>Cube</title> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js"></script> <!-- Latest compiled and minified CSS --> <link rel="stylesheet"...