Definitely not a text field, but a varchar — perhaps. I wouldn’t recommend parsing the results and storing them in individual columns unless you want to take advantage of that data in database sense — statistics etc. If you never see yourself asking “What is the average volume that users use?” then don’t bother parsing it. To figure out … Read more
You can store the size somewhere, or you can have a struct with a special value set that you use as a sentinel, the same way that \0 indicates the end of a string.
how to put NULL or empty value to an integer array? here i want every book data type to have there det arrays have value zero for every det[] member
If you are using c++ then you shouldn’t reinvent the wheel, just use vectors: Edit: I didn’t understand your question, if you just want to have and array of arrays allocated on the heap just use:
This will work. You should call it like this: It is important to know that if you are using === operator compared types have to be exactly same, in this example you have to search string or just use == instead ===. Based on angoru answer. In later versions of PHP (>= 5.5.0) you can … Read more
I am creating a bank account program for my java class that is suppose to manage up to 5 different bank accounts. The program has to allow the creation of a new account, which I have done, allow deposit and withdraw, which is also done, the 2 parts I cannot get to work are 1: … Read more
You’re saying you have this: And you’d like to have this: You can’t have that. A char holds 1 character. That’s it. A “string” in C is an array of characters followed by a sentinel character (NULL terminator). Now if you want to copy the first x characters out of array to string you can … Read more
This question already has answers here: How to normalize a NumPy array to a unit vector? (13 answers) Closed 3 years ago. Lets say I have a vector v, and I want the unit vector, i.e. v has length 1.0 Is there a direct way to get that from numpy? I want something like: Rather … Read more
You have to create an object. Assign the values to the object. Then push it into the array: