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QUESTION
I am making a decoder, but when I type a code-word, if the code-word is not after the last one I typed in the list, it throws an error
Code:
...ANSWER
Answered 2021-Sep-04 at 21:26What I was forgeting is that I needed to reset 'CodeNum' to 0
QUESTION
I want to create something like an audit table.
And I want to insert to this table new values from table CLIENT with join this new values with values from table CODEWORD. I try to use trigger on insert to my table CLIENT:
...ANSWER
Answered 2022-Mar-18 at 09:35No need for join in SELECT
statement; just use :new.id
.
QUESTION
I am new to Vivado HLS ( using Vivado HLS 2018.3 ). I am writing this code to generate a 16-bit CRC (Cyclic Redundancy Check) using a 128-bit message and 17-bit generator polynomial. Here in the source code, I am using log2l() in order to find out the number of bits. This code runs smoothly during C Simulation but during C Synthesis, it throws the error :
...ANSWER
Answered 2022-Feb-07 at 17:46I suspect it has something to do with the inclusion of the math library. I guess Vivado HLS has some configurations or flags to supply in compilation and then in synthesis regarding the use of mathematical functions.
Nevertheless, a simple and effective workaround would be to implement floor(log2(x))
yourself, something that looks as follows:
QUESTION
I am a student writing a C++ code using UNIX system calls to perform simple server <-> client requests from the Terminal. The user (me) input in the port for both programs (Server and Client) in the Terminal to establish a connection, the goal is for the Server to send back to the Client the contents of what the Client program input in.
I.e:
Terminal 1: ./server 9000
Terminal 2: ./client localhost 9000 ~
Will show a list of all directories and files in Home.
Or Terminal 2: ./client localhost 9000 test.txt
Will read contents from the test.txt file and write it onto the Client's terminal.
As of now, only folders work. Whenever I try a file instead, it prints a blank line. This is my code for the process function:
...ANSWER
Answered 2021-Nov-30 at 23:56You problem is here:
QUESTION
So i was referring Geeks For Geeks for the implementation of CRC in Data Communication
Here is the code:-
ANSWER
Answered 2021-Nov-11 at 20:02std::string(pick, '0')
is the string constructor creating a string of length pick
filled with '0'
.
In other ways it's the short form of the following code :-
QUESTION
I have an interface function that has a constant array and an anonymous function as parameters:
...ANSWER
Answered 2021-Sep-13 at 10:17There are multiple issues:
as the exception states the
TCodeword
type is not supported - that is because types of typeKindtkArray
are not supported - I don't remember exactly why that is because internally the handling is very similar to tkDynArray. I will fix that and put an edit to this answer once done.when passing a regular function to a method reference parameter the compiler builds the necessary code to wrap the regular function into a method reference and it uses an interfaced object for that which implements the interface of the method reference (after all anonymous methods are just interfaces). It however does that for every time this happens which means that two lines that pass
IntFunc
to anTIntFunc
parameter are two different pointers. That is why internally the parameter matcher returns False. If you want to avoid that you need to putIntFunc
into a local variable of typeTIntFunc
and pass that. Because then the compiler only builds that wrapping code once and in both cases the value of the local variable gets passed to theDoSomething
call.
Update: fixed in develop branch
QUESTION
I want to save the output of the line print(LettersUpC[CodeNum])
into a variable outside, but have it be a different variable each time. How can I accomplish this?
ANSWER
Answered 2021-Sep-06 at 19:48You create a new list and append values to the list and you can access it once you get out of loop by indexing or you can also try creating a dict and add key as a value you want to give it to variable name or value for that key as your output of print statement.
QUESTION
I'm trying to launch a really basic chat app for myself and a few friends and wanted to include a password check upon loading the site by using a prompt + socket.emit:
...ANSWER
Answered 2021-May-02 at 08:09prompt
is a "blocking" method, so there is no need for a callback. Callbacks are needed when you are uncertain when code within the callback will be executed. This is not the case here. You can work with the returned result in a do...while
loop for example.
Dummy example with static password check:
QUESTION
I have some code below where we have a mapping of letters, with z=1, y=2,...,a=26. And we are given as an input a list of numberers in string format. And we need to return the corresponding word using the mapping.
...ANSWER
Answered 2021-Apr-24 at 06:59Change to the below, you just have to call ascii_letters[int_asci-1]
and this will return the corresponding letter.
QUESTION
I'm trying to code decompression CCITT Group4 algorithm using my matlab code editor. But, I cannot understand decoding mechanism. when we finish encoding an original binary image, we wil have only encoded binary code. so, In that code, there are no a0, a1, a2, b1, b2(you know, CCITT G4 elements). This point is My question. Let me give you an example. we have compressed code line(0 0 0 1 0 0 1 0 1 1 1 1 1). Firstly, you can detect "Pass mode codeword(0 0 0 1)", and "Horizontal mode codeword(0 0 1 0 1 1 1 1 1)". we can know the decoding code run length about horizontal mode, ("White run length=2 -> 0 1 1 1", "Black run length=2 -> 1 1") But, How can we know the decoding code run length about pass mode?? I think there is no information about pass mode cord run length. Please let me know. Thank you.
...ANSWER
Answered 2021-Apr-13 at 16:02CCITT G4 is a 2-Dimensional image encoding algorithm. The pass code and other codes (e.g. the vertical codes) use the previous line as a reference. After a line is decoded, it becomes the "previous" line and a new "current" line begins.
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