Syntax Questions

While perusing some stm32 middleware code, i came across this very odd line and can't parse it. it's basically,

In my react application i am passing parent's state to child as a prop like so: <child parentsstate={...this.state} />

My data for a datatable is currently located at the bottom of my app.js and looks something like this: var data = {

I saw similar code when reading a reference, and i tried this piece of code which can compile and run: #include <stdio.h>

Let's start by considering python3.8.5's grammar, in

Here's my code: <?php if(empty($_post['id'])) { echo '<form method="post"><input type="text"

I'm looking through the vows documentation and in several places it uses the

Is it possible to access the abstract syntax tree(ast) inside the javac.exe programmatically? could you provide an example?

I'm trying to figure out which of these parameters contains an uploaded file. this code works params[:upload].each do |

What libraries and/or packages have you used to create blog posts with code blocks? having a javascript library that would support line numbers

I'm just a beginner in python. do you know why it's underline here?

I've read jrm's syntax-rules primer for

I am trying to do unit testing of my react app using enzyme with jest but getting this error ` fail

I want to use if statement in insertion. insert into <table_name>(<columns>) values (if not exists

I was asked to write a simple procedure, that inserts a new row into a table under certaing condition. the database: table users - user_id ....

How can i solve my error in line 16 witch is syntax error can any one help me to fix it this is 'command handler' for discord js

Just starting out with laravel. i am simply trying to pass a variable into a data array and load the view, but come up with the following syntax

On my way to learn .liquid, i can't found issue on that syntax: {{ 'visa.svg' | asset_img_url | image_url: width: 36, height: 36 |

What i want to happen i'm working on a react project which i created using npx create-react-app my-app --typescript i

I have a syntax error in this code, but i can't find it. i need to use the laravel framework. public function create()

I am working with a very simple if statement tree and want to write the code as dry as possible, i believe i am implementing the

I created a react app and started trying to connect it to a server i have prepared using mongodb. whenever i check my localhost to see the react

What does the @(at sign) mean in dart? @immutable @jsonserializable(createtojson: false) class classa { @jsonkey(name:

I'm trying to implement a tausworthe random number generator in python for use in a simulation comparison with some vhdl fpga code.

Hey i just start to learn laravel. i have created controller successfully with php artisan make:controller youtube command. but the thing is when

The mdn documentation states: reserved words actually only apply to identifiers (vs. identifiernames) . as described in

I am starting with react and i am doing an exercice from an edx-class (not for certification but for fun). the code is supposed to load buttons

I'm currently working on an pyqt5 based application i could use an (embedded) editor for which provides some syntax highlighting for yaml (and

I am trying to run a python script from a command line and this is my script: import sys def printsomething(sys.argv): text =

A glitch in code on my website caused the start date and end date in an sql table to be set to the same day for my online member directory. i

I keep getting a syntax error in line 12 even afer removing the elif block. if __name__ == '__main__': n = int(input())

I recently add zebrautility: ^0.0.38 from

I am using this logic to convert json data to a custom university model. import 'dart:convert'; class

I am watching a node.js tutorial, but in the following code i can't understand where the file and it's originalname

I tried to put two conditions with the values of an email and a password in order to activate my button only if the two conditions are validated

In a tutorial i saw a code like this: var session = require('express-session'); var filestore =

I'm trying to change input values in the object with one action. so the action gets key("title" and "content") value as a parameter from each

May i know why there be a invalid syntax on my f variable on the first elif loop? def bsd(): if price_of_properties <= 180000:

Why does the following python code snippet: def f(): def g(): def h(x): pass return h return g

In vscode, i typically run a python script using the python extension and right clicking a .py script and selecting "run python file in terminal".

When using hooks in react and using an array as a state, i found that updating only one element of that state array with the setter function did

I wrote some code. i realized when i wanted to expand the code below, it would make the syntax wasteful. how to make it efficient?

I am working a lot with react-leaflet, and i see that part of the way it is constructed is using syntax like this:

Weights is a numpy array of a certain number of values, which is being multiplied by x^i. without summing the elements of

I am using nodejs mysql module and i want to check account existence before actually querying the password. here is the sql:

I'm building a rest api using node.js/express. i have some middleware applied to certain routes. i have a javascript syntax error which i

I cannot get the syntax highlighting to properly work in python with visual studio 2019 community edition. i get very basic syntax

If i use jquery syntax : $("<img src='img.jpg'>") , will the image actually be downloaded to the client? or do i have to append

This is valid syntax in ghc 9. what do the {..} mean (as distinct from (..) which ghc 8.10 requires here)?

Im trying to stablished a signup backend for my flutter aplication. in order to do that, i have this class: class _myhomepagestate

I am having a lot of issues in reactjs learning which i dont understand. i have line 5: parsing error: unexpected token, expected ";

I found this code in arena.dart in the ffi examples of flutter: /// the last [arena] in the zone. factory arena.current() {

Given the following code, why doesn't (obj.foo)() receive window as this? it seems to me like the

I have a data frame with a variable age_yr. i want to convert any ages less than 1 to 1. i am unsure how to write this using an if

I'm getting a syntax error, but mainly because of my own not knowing how to write it. i have tried, but i have become really stuck. whilst

I'm get : trying to get property 'role' of non-object (view: e:\xampp\htdocs\demo\resources\views\pages\home.blade.php)

So i have babel 7 installed, along with the plugin "@babel/plugin-proposal-object-rest-spread" included within my preset-env, however i'm still

I have a piece of code which uses spread syntax. on my main server, the node js version is 0.10. for some reason, it's not possible to

This code is returning a "syntax error: line:26" the line where the error it mentioned is the blank line under "don't modify these

I have a piece of code like this:

I am new to flutter and as i was reading through the tutorial i saw the following code snippet: // within the `firstroute` widget

I'm getting error like this while inserting item details : 09-28 16:30:32.558 9471-9471/com.example.android.inventoryapp

I am currently a student working on a react app, and keep getting returned syntax errors for unexpected tokens in my onsubmit() function. it wants

I am trying to minify code to save stress on my hard disk computer. this caused syntax error. i am not sure if token or comment is illegal and

Here are two examples of class constructors: class a { final string name; final string sex; a({ this.name = 'unknown',

Recently i have learned the process of webpack bundling are as follows: read the config file and register the hooks

Let's say i have an object myobject with properties a,b,c. if i want to get rid of property a, i

Im trying to use a fallback image with javascript inside a php echo, but im confused with the quotes, what´s the proper way to write

So i have a website where you can click a button which then redirects you to a different page. the redirection should not happpen instantly but

I am trying to understand how this script is doing what it does. object.variable = function(_) { return arguments.length ?

When making a tax calculator, i seem to continue to be getting an error at the "=" in the following line of code: elif

Flutter shows me this error, but the two types are identical. [cartitem it's just a simple model; there was a conflict since another

I am learning nodejs, coming from other languages (c#, etc) and some of the syntax has be confused. for example this piece of code (i am

I'm following this article (original implementation sibling sibling):

I would like to translate this python code into c++ code using pybind11 or directly the python c api:

I have bunch of scss files. i'd like to find blocks which contains only single property, like: &__input { width: 100%; }

In firefox console it throws an error because of the colon: {"a": 1} syntaxerror: unexpected token: ':' in

I have getting error for typeerror: must be str, not int this function below new_file.write works fine when it outside

I just upgraded react from v15.6.2 to v 16.5.2 and now i am getting a few errors along the lines of... warning: stateless

I do not understand the constructor part and static function part. super? dependoninheritedwidgetofexacttype? import

When declaring a pointer to a struct, both the following code snippets compile without error: a) struct foo { int data; foo*

For some reason when i try to get the ast-dump of any c/c++ code with clang, i get an infinite loop which eventually results in clang:

I'm getting this weird "end of statement expected" warning inside of a comment, which functions as a python 2/3 type hint:

I try to repeat the example:

This code is causing an error in the developer console: $scope.addcandidatestocompannies = function() {

Well, everything was awesome until i went into spread of the empty array to render a couple of similar index-dependable components. i

I have a data frame with the text entries dataframe['text'] as well as a list of features to compute for the function. although not

I am using selenium with webdriver for login on a particular website but got stuck in the middle. the error comes when it starts to type email

Ofter times in flutter i come across () used in the code, and i've just been rote memorizing when they need to be there. however, i don't exactly

I was trying to deploy my react spa on firebase, but got only blank page with such console error: "uncaught syntaxerror: unexpected token

How can i change the error view of laravel 5.2 like 5.3? i want the same error view of 5.3 in laravel 5.2... can anyone please help me in

I try to use this code: import react, { component } from 'react'; export default class hello extends component { static

#boundary checking if goals[count].ycor() > 240 or goals[count].ycor() < -240: goals[count].right(180)

I have a simple example i've drawn up. i thought it was possible to combine if statements and for loops with minimal effort in python.

The requested data works in chrome but not any other browser that i have. i don't know why. i tried firefox, explorer, edge as well. no response

In jupyter notebook my code runs fine, but when i run it from shell i get a syntax error at this part of my code: res = f'"x"'+"

I've been trying to find out what this notation is called so i can better google it. it's from the gmail api node example but wont run for me.

I am trying to create a new way of implementing loops in javascript. the user would type loop(n) { //

I fetch code snippets from the server to display. if i want to display the code, i attach the node to dom. if there is no code to display,