There are a few different components to this problem. First, how do you split the receipt into each individual company. Next you need to be able to parse the company’s ID. Finally you need to be able to parse the quantity, cost, and total cost from a line item. Splitting Receipts Your method of splitting … Read more
Take a look at Java Collections. You can use a List like Luiggi suggested, or you may want to use a Map so that you can look them up by name or Id. import java.util.HashMap; import java.util.Map; public class Employee { private final String name; private final int Id; private static Map<String, Employee> employeesByName = … Read more
You should read the documentation of List and Map (respective HashMap) to see how to use them. Since your List contains Map you’ll have to get a Map using the List operations and then get the elements from that Map using the Map operations: HashMap<String, String> firstMap = lst.get(0); String someEntry = firstMap.get(“key”); 0 solved … Read more
What about creating a small function that turns the lists into strings and runs a regex against it, You could tidy this up, or I could if you approve this concept I’m not a regex, expert I’m sure there is another way to do this without using the AttribeError but this will work, someone can … Read more
You want something like the following: d = {x[:2]:’item’+str(i+1) for i, x in enumerate(my_list)} I’m going to break down how this works so it’s less “python voodoo” in the future: Firstly, we want the first two values from each tuple in the list. This is done by list slicing: x[:2]. This says “give me the … Read more
textfile=open(‘somefile.txt’,’r’) text_list=[line.split(‘ ‘) for line in textfile] unique_words=[word for word in text_list if word not in unique_words] print(len(unique_words)) That’s the general gist of it solved how do I count unique words of text files in specific directory with Python? [closed]
It’s unclear what ResultSet is and its format from your question, however the following example code might be helpful: import csv csv_filename=”result_set.csv” ResultSet = {“(u’maxbotix_depth’, None)”: [{u’time’: u’2017-07-12T12:15:54.107488923Z’, u’value’: 7681}, {u’time’: u’2017-07-12T12:26:01.295268409Z’, u’value’: 7672}]} with open(csv_filename, mode=”wb”) as csv_file: writer = csv.writer(csv_file) for obj in ResultSet[“(u’maxbotix_depth’, None)”]: time, value = obj[u’time’], obj[u’value’] print(‘time: {}, value: … Read more
It looks like you just need to change the logic slightly: When you find the start line, set your variable to true (and continue the loop). When you find the end line, set your variable to false (and continue the loop, or break the loop if you only expect to have one section to capture). … Read more
You are missing the map operator here. You have to add map operator to the stream processing pipeline before collecting it. Here’s how it looks. objList.stream().map(Obj::val).collect(Collectors.joining(“.”)); solved Concat parameters from object list
May be this could help you out list=[] for i in range(0,N): name=raw_input(‘Enter Name:’) age=raw_input(‘Enter Age:’) list.append([name,int(age)]) solved How to input a list in list in Python? [closed]
Is that what you want? INPUT_COUNT = 8 FIRST_INPUTS = [] SECOND_INPUTS = [] for _ in range(INPUT_COUNT): result = input().split() try: FIRST_INPUTS.append(float(result[0])) SECOND_INPUTS.append(float(result[1])) except IndexError: pass solved Extracting user input in 2 different arrays
The line vector<int> list3(list1.size()+list2.size()); creates a vector of type int and inserts list1.size()+list2.size() default contructed elements. You want to create an empty vector of type int and reserve memory for list1.size()+list2.size() elements. Use vector<int> list3; list3.reserve(list1.size()+list2.size()); solved Some problem about the algorithm of merging two lists
Here is a more efficient algorithm: For each unique number that is present in at least one of the sublists, let’s maintain a list of indices of all sublists that contain this number. This part is O(n * log n) time if we use sorting to find unique numbers or O(n) if we use a … Read more
Try this, it splits the input list into sublists in the round-robin fashion you desire: def round_robin_sublists(l, n=4): lists = [[] for _ in range(n)] i = 0 for elem in l: lists[i].append(elem) i = (i + 1) % n return lists l = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] sublist … Read more
In your code, you declare to return type T, but the variable you return has type list<T>. I’d suggest to develop your code with concrete types (and without templates) first; you can exchange the concrete type with placeholders afterwards, but concrete types give a better idea what actually happens. Try the following code and translate … Read more