array | C++ multidimensional arrays in the spirit of the STL

 by   dsharlet C++ Version: Current License: Apache-2.0

kandi X-RAY | array Summary

kandi X-RAY | array Summary

array is a C++ library. array has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

This library provides a multidimensional array class for C++, with the following design goals:.
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            kandi-support Support

              array has a low active ecosystem.
              It has 167 star(s) with 10 fork(s). There are 8 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 17 open issues and 32 have been closed. On average issues are closed in 104 days. There are 4 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of array is current.

            kandi-Quality Quality

              array has no bugs reported.

            kandi-Security Security

              array has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              array is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              array releases are not available. You will need to build from source code and install.
              Installation instructions are not available. Examples and code snippets are available.

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            array Key Features

            No Key Features are available at this moment for array.

            array Examples and Code Snippets

            No Code Snippets are available at this moment for array.

            Community Discussions

            QUESTION

            Using for loop to check a number is in list
            Asked 2021-Jun-16 at 03:20

            arrNumbers = [1, 2, 3, 4, 5, 6]

            Let the user input a number, then check if the number is in the array by using a for loop. If it is, print the location of the number in the array without using "index".

            ...

            ANSWER

            Answered 2021-Jun-16 at 02:51

            QUESTION

            Return the range within an array Excel
            Asked 2021-Jun-16 at 02:47

            I need to retrieve a range delimited by indexes from a specific array

            I cannot use OFFSET because it doesnt use an array as a parameter. And the range will then be use for a secondary calculation

            The example:

            I want to calculate the SUM of the 4th to the 11th value in the column Numbers.

            So at the end the formula should look something like: =SUM(Numbers[4:10]) = 36 4 and 10 being the desired indexes.

            I tried with OFFSET and INDEX but cant figure out how to do it.

            ...

            ANSWER

            Answered 2021-Jun-16 at 02:36

            Index(), INDIRECT() will work. Also OFFSET() will work but need to apply some trick. As @BigBen suggested you can use INDEX() like =SUM(INDEX(B:B,5):INDEX(B:B,11)) but I am sure you will not prefer to hard code index no. So, you can use below formula to dynamically input two index and get sum between those index. Try-

            Source https://stackoverflow.com/questions/67995570

            QUESTION

            Sum values in an array of objects by value
            Asked 2021-Jun-16 at 02:44
            var Employees = [
                {
                    "id": "382740",
                    "PayrollID": "8117817425",
                    "EmployeeName": "Bob Jones",
                    "StartTime": "15:15:00.0000000",
                    "FinishTime": "18:15:00.0000000",
                    "BreakTime": "45",
                    "TotalTime": 2,
                    "Comments": "Test",
                    "Rate": "19"
                },
                {
                    "id": "439617",
                    "PayrollID": "8117817425",
                    "EmployeeName": "Peter Pan",
                    "StartTime": "16:15:00.0000000",
                    "FinishTime": "21:15:00.0000000",
                    "BreakTime": "60",
                    "TotalTime": 4,
                    "Comments": "Test",
                    "Rate": "32"
                },
                {
                    "id": "201636",
                    "PayrollID": "5042289623",
                    "EmployeeName": "Bob Jones",
                    "StartTime": "09:56:00.0000000",
                    "FinishTime": "11:56:00.0000000",
                    "BreakTime": "45",
                    "TotalTime": 1.25,
                    "Comments": "Test Comments",
                    "Rate": "19"
                },
                {
                    "id": "799653",
                    "PayrollID": "5042289623",
                    "EmployeeName": "Clarke Kent",
                    "StartTime": "16:49:00.0000000",
                    "FinishTime": "21:49:00.0000000",
                    "BreakTime": "60",
                    "TotalTime": 4,
                    "Comments": "Test",
                    "Rate": "19"
                },
                {
                    "id": "951567",
                    "PayrollID": "5042289623",
                    "EmployeeName": "Bob Jones",
                    "StartTime": "01:49:00.0000000",
                    "FinishTime": "16:49:00.0000000",
                    "BreakTime": "60",
                    "TotalTime": 14,
                    "Comments": "Test",
                    "Rate": "10"
                }
            ]
            
            ...

            ANSWER

            Answered 2021-Jun-16 at 02:44

            In the Map, set the value not to the cumulative total time for the employee so far, but to a whole employee object that contains the total time inside it. Spread the first object found so as not to mutate the input.

            Source https://stackoverflow.com/questions/67995504

            QUESTION

            compare and filter 2 arrays
            Asked 2021-Jun-16 at 01:57

            I have 2 arrays. I need to show only data which does not match with the second array.

            ...

            ANSWER

            Answered 2021-Jun-16 at 01:12

            You cannot compare two different objects using includes in javascript, because includes uses ===. Only references to the same object will return true using ===. You'll need to write a custom function that runs through all of the keys of your object and compares their values between your two arrays.

            This article explains some techniques for comparing two objects: https://dmitripavlutin.com/how-to-compare-objects-in-javascript/

            Source https://stackoverflow.com/questions/67995101

            QUESTION

            Clang errors "expected register" with inline x86 assembly (works with GCC)
            Asked 2021-Jun-16 at 00:48

            I wrote a demo with some inline assembly (showing how to shift an array of memory right one bit) and it compiles and functions fine in GCC. However, the with Clang, I'm not sure if it's generating bad code or what but it's unhappy that I'm using memory despite the "rm" constraint.

            I've tried many compilers and versions via Godbolt and while it works on all x86/x86_64 versions of GCC, it fails with all versions of Clang. I'm unsure if the problem is my code or if I found a compiler bug.

            Code:

            ...

            ANSWER

            Answered 2021-Jun-16 at 00:48

            I'm unsure if the problem is my code or if I found a compiler bug.

            The problem is your code. In GNU assembler, parentheses are used to dereference like unary * is in C, and you can only dereference a register, not memory. As such, writing 12(%0) in the assembly when %0 might be memory is wrong. It only happens to work in GCC because GCC chooses to use a register for "rm" there, while Clang chooses to use memory. You should use "r" (bytes) instead.

            Also, you need to tell the compiler that your assembly is going to modify the array, either with a memory clobber or by adding *(unsigned char (*)[16])bytes as an output. Right now, it's allowed to optimize your printf to just hardcode what the values were at the beginning of the program.

            Fixed code:

            Source https://stackoverflow.com/questions/67993984

            QUESTION

            How to code this condition in Python? I am new to python
            Asked 2021-Jun-16 at 00:47

            I am new to python. so any help will be appreciated. I have two arrays A = [1,2,4,2,3,5,3] and B = [0,4,4,4,1,1,1] for the function if I give A, B as input then I should get output as = [1,(2+4+2),(3+5+3)] = [1,8,11](if numbers are repeating in B then corresponding values in A should be added together).

            ...

            ANSWER

            Answered 2021-Jun-15 at 20:07

            This should do the trick:

            Source https://stackoverflow.com/questions/67992711

            QUESTION

            Parallelize histogram creation in c++ with futures: how to use a template function with future?
            Asked 2021-Jun-16 at 00:46

            Giving a bit of context. I'm using c++17. I'm using pointer T* data because this will interop with cuda code. I'm trying write a parallel version (on CPU) of a histogram creator. The sequential version:

            ...

            ANSWER

            Answered 2021-Jun-16 at 00:46

            The issue you are having has nothing to do with templates. You cannot invoke std::async() on a member function without binding it to an instance. Wrapping the call in a lambda does the trick.

            Here's an example:

            Source https://stackoverflow.com/questions/67994778

            QUESTION

            Error accessing nested array of objects in Typescript
            Asked 2021-Jun-16 at 00:23

            I'm trying to consume json coming from a webapi. When debugging, the data is coming through correctly as per picture below:

            Surprisingly when I try to loop through the objects in the report.subreport array, I get told it's undefined:

            ...

            ANSWER

            Answered 2021-Jun-16 at 00:21

            Javascript is case sensitive. I see that you used subreport and it should be subReport with a capital R.

            Source https://stackoverflow.com/questions/67994851

            QUESTION

            Fetch data from Cloud Firestore and store it in a constant
            Asked 2021-Jun-15 at 23:56
            const set = firebase.firestore().collection("workoutExercises").doc(firebase.auth().currentUser.uid).get()
              console.log(set)
            
            ...

            ANSWER

            Answered 2021-Jun-15 at 23:56

            Firebase calls like this are asynchronous, meaning they don't return immediately. In Javascript, you can deal with this in a couple of different ways, using async/await or Promises.

            Here's an example using a Promise:

            Source https://stackoverflow.com/questions/67994072

            QUESTION

            How to type-constrain the entries of a Raku function's array argument?
            Asked 2021-Jun-15 at 23:08

            I am trying to define a subroutine in Raku whose argument is, say, an Array of Ints (imposing that as a constraint, i.e. rejecting arguments that are not Arrays of Ints).

            Question: What is the "best" (most idiomatic, or straightforward, or whatever you think 'best' should mean here) way to achieve that?

            Examples run in the Raku REPL follow.

            What I was hoping would work

            ...

            ANSWER

            Answered 2021-Jun-15 at 06:40

            I think the main misunderstanding is that my Int @a = 1,2,3 and [1,2,3] are somehow equivalent. They are not. The first case defines an array that will only take Int values. The second case defines an array that will take anything, and just happens to have Int values in it.

            I'll try to cover all versions you tried, why they didn't work, and possibly how it would work. I'll be using a bare dd as proof that the body of the function was reached.

            #1

            Source https://stackoverflow.com/questions/67978307

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install array

            You can download it from GitHub.

            Support

            Most of the functions in this library are marked with __device__, enabling them to be used in CUDA code. This includes array_ref<T, Shape> and most of its helper functions. The exceptions to this are functions and classes that allocate memory, primarily array<T, Shape, Alloc>.
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