array | contiguous container library - arrays
kandi X-RAY | array Summary
kandi X-RAY | array Summary
Note: This project is currently WIP, no guarantees are made until an 0.1 release. This library is all about arrays — contiguous blocks of memory. It basically provides a customizable std::vector and containers built on top of it like flat sets and maps. The equivalent of std::vector — array — does not take an Allocator. Instead, it takes a BlockStorage. This policy is responsible for completely managing the underlying memory block: It stores the current address and size and has full control over reserve() and shrink_to_fit(). This makes it possible to have a fixed sized array, an array with small buffer optimization and much more just by swapping the policy.
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QUESTION
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 02:51Try this:-
QUESTION
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 02:36Index()
, 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-
QUESTION
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 02:44In 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.
QUESTION
I have 2 arrays. I need to show only data which does not match with the second array.
...ANSWER
Answered 2021-Jun-16 at 01:12You 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/
QUESTION
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 00:48I'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:
QUESTION
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 20:07This should do the trick:
QUESTION
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 00:46The 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:
QUESTION
ANSWER
Answered 2021-Jun-16 at 00:21Javascript is case sensitive. I see that you used subreport
and it should be subReport
with a capital R
.
QUESTION
const set = firebase.firestore().collection("workoutExercises").doc(firebase.auth().currentUser.uid).get()
console.log(set)
...ANSWER
Answered 2021-Jun-15 at 23:56Firebase 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
:
QUESTION
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 Array
s of Int
s).
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 06:40I 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
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