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Questions tagged [variable-assignment]

A process of setting or re-setting the value stored in the storage location(s) denoted by a variable name.

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How do you (get around) dynamically naming variables?

I'm not sure if I'm using the right nomenclature, so I'll try to make my question as specific as possible. That said, I imagine this problem comes up all the time, and there are probably several different ways to deal with it. Let's say I have an…
jefflovejapan
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Iterate 2D arrays and assignment to variables of function in python

I am new to Python. I have a 2D array (10,4) and need to iterate array elements by assigning four values of each row to four variables of function (x1, x2, x3, x4), and return function output. Please have a look at my code and give me suitable…
Husnain
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How to initialize a variable that will eventually be set to the response of an async request in Typescript?

Being relatively new to typescript, I've run into a problem that I didn't face in my first project - when declaring a variable prior to an api request inside a try-catch seems to throw typescript errors for operations on this variable after the…
Darkphoton
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(VERI-1322) prefix of assignment pattern must be a data type

Here is a snippet from my code; always_ff @(posedge clk) begin : output_assigment // left side should only be "_q" if(reset_n == 1'b0 || clear == 1'b1) out_signal_q <= {8'{!(REPORT_POL)}}; But i see this error: (VERI-1322) prefix of…
Nisha John
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Assignments in for loops

This is something I wish to ask on top of the question that is already discussed: Assigning values to variables in a list using a loop So the link above says it is not recommended to perform assignments in a for loop because doing so changes only…
Robin311
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In Kotlin, Why can the value of a val integer be reassigned by the inc() method?

Consider the following, val x: Int = 0 val variables cannot be changed so doing x += 1 wouldn't work The compiler says Val cannot be reassigned why then does x.inc() work fine doesn't x.inc() reassign the value from 0 to 1
Ser.T
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Java comparing two strings doesnt seem to work

I got this function which is a private boolean function that checks if there is a car already of the same size inside the garage. If there isn't I add it to the arrayList, I've made a printList() type function before to traverse through the…
FHr
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Is it possible to dynamically assign an array of structs in C?

In a project I'm working on, I find myself creating a lot of small, hand-written arrays of structs that need to be stored in dynamically allocated memory (mostly for testing with small datasets before importing from a file). There's a really nice…
catlover2
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Joining strings except empty ones in javascript

I was wondering what is the best way to join a few strings in javascript except if they are empty. Say we have let s1 = 'X = 1'; let s2 = ''; let s3 = 'Z = 3'; And my end result need to be "X = 1, Z = 3" let str = [s1,s2,s3].join(',') // will…
Clothahump
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How to let a solver in pyomo assign a Var array of Integers

Suppose I have a status array, where each status is within the integer domain, how can I utilize pyomo to assign the individual cells appropriately? In the following snippet I simplified this by enforcing the solver to assign fixed values taken from…
frunk
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Initialize nontrivial class members when created by PyObject_NEW

I have a Python object referring to a C++ object. Header: #define PY_SSIZE_T_CLEAN #include #include typedef struct { PyObject_HEAD FrameBuffer frame_buffer; } PyFrameBuffer; extern PyTypeObject…
Narann
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Python function print output redirect

Its my first attempt at coding and I've a bit of a snag. I was wondering if one of you would be able to point me in the right direction for this case.. What I'm trying to do is convert a string from hexadecimal format into readable text. Following…
user18075652
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Pass data frame and reference it for assignment inside function in R

I'm getting tripped up on assigning after passing a data frame through a function. The real function is much larger but below is an example. The goal: If the quarter column name is in the active_quarters vector, do nothing. If it isn't, assign…
Ian Hunter
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Typescript: Return a reference object that can be assigned to?

I have an existing set of classes that have a number of spots where they get, and one spot where they set, a named property from an array, i.e. return object[index]; // or object[index] = newValue; Due to one existing module that does things…
Trevortni
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What is so special about += operator?

I wrote a code similar to the following and it gives me the local variable 'a' referenced before assignment error. When I changed that a += [2] into a.append(2), it worked. def f(): a = [1] def f1(): a += [2] # => no error with…
moon
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