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QUESTION
I am currently working on a PVM Analysis and everything was running smoothly. Until one of my measures fails to work. Both measures are practically the same:
One that works:
Novo =
VAR Novo = FILTER( CODITEM, [Revenue LY]+0=0) return
SUMX(Novo, [Revenue TY])
The failed one: Discontinued =
VAR Discontinued = FILTER(CODITEM, [Revenue TY]+0=0) return
SUMX(Discontinued,-[Revenue LY])
Both have to iterate into the "CODITEM" level. One only brings value when revenue LY = 0 and the other when revenue TY = 0.
Other measures here. Revenue TY = sum(TotalFat) Revenue LY = CALCULATE([Revenue TY],PREVIOUSMONTH('Date'[Date]))
In my BI filter the page by this month (so that I can see this month revenue in Revenue TY and last month revenue in Revenue LY).
I also attached the data and PBIX file in the link below:
https://drive.google.com/drive/folders/17ZJ3YwwiIaNJitIFNeaOLWNTap792ubc?usp=sharing
I can´t figure it out what this could it be.
...ANSWER
Answered 2022-Mar-17 at 20:09I don't see anything wrong with your formula. When I look at your data, I see that you are filtering the base1[quantfat] column for any Codeitem quantities that are equal to 0, and then pulling any associated revenue from those items.
However, when I look at your base1 table, I can see there are no entries where unit sales are equal to=0, therefore there is no associated revenue for items with zero [quantfat] which is why I think the measure is showing up blank.
QUESTION
So I lately came across an explanation for Python's interpreter and compiler (CPython specifically).
Please correct me if I'm wrong. I just want to be sure I understand these specific concepts.
So CPython gets both compiled (to bytecode) and then interpreted (in the PVM)? And what does the PVM do exactly? Does it read the bytecode line by line, and translate each one to binary instructions that can be executed on a specific computer? Does this mean that a computer based on an Intel processor needs a different PVM from an AMD-based computer?
...ANSWER
Answered 2022-Feb-09 at 13:49- Yes, CPython is compiled to bytecode which is then executed by the virtual machine.
- The virtual machine executes instructions one-by-one. It's written in C (but you can write it in another language) and looks like a huge
if/else
statement like "if the current instruction is this, do this; if the instruction is this, do another thing", and so on. Instructions aren't translated to binary - that's why it's called an interpreter.- You can find the list of instructions here: https://docs.python.org/3.10/library/dis.html#python-bytecode-instructions
- The implementation of the VM is available here: https://github.com/python/cpython/blob/f71a69aa9209cf67cc1060051b147d6afa379bba/Python/ceval.c#L1718
- Bytecode doesn't have a concept of "line": it's just a stream of bytes. The interpreter can read one byte at a time and use another
if/else
statement to decide what instruction it's looking at. For example:
QUESTION
I need pick up values from array.
My code:
...ANSWER
Answered 2021-Dec-26 at 20:49How can i echo [bePVM][1] where is 200?
If the output is from print_r($_POST);
then this should write 200
to the output:
QUESTION
I want to make a search bar and filter the data based on the "treeni" property. So if I type in "Jalkatreeni", I want every Object that includes the property "treeni": "Jalkatreeni" returned. How should I go about doing that? Thank you in advance! I have a data object like this:
...ANSWER
Answered 2021-Aug-15 at 18:17You can make functions that will give you search results like below. You can pass the name that you want to search in handleSearch function
QUESTION
I'm building an exercise app. How would I go about iterating through this objects property "suoritusStats" in a way that I can render the "suoritusStats" in a way such as "toistot - toistot - toistot", so in this case "painot" property would be rendered like "0-0-10", and toistot "10-10-10" in order.
At the moment from the last map function, I get for example "10" rendered once, but as stated above, I need to render them in a such fashion described. So "toistot" would be "toistot: 10-10-10", not "toistot: 10".
Here is my data structure (it's an array of objects) but I've just cut down so that it won't be too long.
...ANSWER
Answered 2021-Jul-03 at 16:35If I understand you well, this is pure JS. Nothing with React.
QUESTION
First and foremost, I'm no expert in software, and I realize this question might be as vague as it gets (it's just a curiosity), and get ready to read some barbaric guesses from my part!
The question came up from reading an article on how Linux's developers were implementing Rust into their OS (https://www.zdnet.com/article/linus-torvalds-on-where-rust-will-fit-into-linux/).
What does it even mean to implement Rust in their OS? Do they have some compiled code written in C that calls compiled code that resulted from writing in Rust? I don't see how this can efficiently be done, as you'd have different compilers probably being unable to optimize code, since, along the way, it's calling "foreign" code. I imagine the situation gets worse if you throw a language like Python or Java into the mix, which aren't precompiled. Now you would have JVM or PVM running together with compiled code, which, I imagine, would be highly impractical. One approach I can conceive, is if you see all these things as separate processes, and you'd simply have code from one language starting a process that corresponds to code from another language, but again, I imagine that wouldn't be very efficient...
Again, I realize I could've been more direct, but I'm not looking for a specific answer which addresses a problem, but rather general insight on how different languages can get used together. Thanks for understanding!
...ANSWER
Answered 2021-Mar-25 at 16:02Typically when compiling a source file we have a set of options for outputs generated by the compiler, like creating a binary application from the main
function, a statically linkable binary or a dynamically linkable library, or in other cases, source to source transformations.
The kernel is written in C, and to be able to compile large codebases like the kernel, we often decide to compile each, or a set of source files (the proper term would be translation unit https://en.wikipedia.org/wiki/Translation_unit_(programming)) into a statically linked library or object files. Once we've gathered all of the object files and statically (or shared) linked libraries we can link these together and produce a final binary/library.
When we're talking about integrating Rust code into the kernel, we're talking about using statically linked libraries from C in Rust and vice versa. The process of calling code produced from other compilers or languages is named Foreign Function Interface, or FFI.
There are many details and challenges with FFI including ABIs or name mangling to name a few. ABI, or application binary interface is one of the issues mentioned in your article. Unlike C, Rust does not have a stable ABI yet, meaning there's no guarantee the symbols in the static library compiled from Rust won't have different names or data layouts in the future. This means that code compiled using Rust's compiler may not be compatible with previous Rust compiler outputs which would require the C code to be updated every time there's an ABI change.
QUESTION
I have httpost activate method which should store the user record(from poll user options model) in database. Activate method display pop-up for user and he chooses one of the choices and submit it. The method purpose is to create record from Poll user options model through the Poll view model.
...ANSWER
Answered 2021-Feb-12 at 09:12I changed your code a bit. Follow these steps. this code work for me. Replace the SetPoll()
method with your own data
Change view to this
QUESTION
So I've tried to put labels on my objects. I tried out a test example to just put one simple label there. But when I put it there, something felt weird. The teapot was transparent!
paintGL:
...ANSWER
Answered 2020-Dec-26 at 03:13Your depth test is disabled or your context doesn't have a depth buffer. First make sure that you set a pixel format with depth buffer during initialization. QOpenGLWidget documentation has an example of that:
QUESTION
Is there any way to add Style to the .Title(title)
I want to be able to center and the change the background color?
ANSWER
Answered 2020-Nov-26 at 14:59You can style the header with css. See this example below;
QUESTION
I'm trying to display the result of a percentage calculation in a view. Round and Score are coming from a local database, I want to count the number of rounds recorded, add up the values stored in Score, then output result as a percentage. I hope that makes sense!
Currently I have a few values stored in the database but the result I am getting all the time is zero. Values from the database do not seem to be getting into the calculation method.
Thanks so much in advance!
Controller:
...ANSWER
Answered 2020-Nov-04 at 18:04Error public INT Percentage { get; set; }; you have to change it to public DOUBLE Percentage { get; set; };
Why instead var rounds = _context.Practices3.Select(r => r.Round).Count(); you don't use _context.Practices3.Count(); Maybe you mean _context.Practices3.Where(r => r.Round>0).Count();?
Try instead of pvm.Percentage = scores / (rounds * 10) * 100; to use pvm.Percentage = Math.Round((scores / (rounds * 10)) * 100,3);
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