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Recent questions tagged Scope

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scope - Why does const work in some for-loops in JavaScript?

I do know why const doesn't work in for-loops. We need to create a new scope and copy over a value into that. ... (property); I'm not sure why. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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scope - javascript- Uncaught SyntaxError: Identifier * has already been declared

console.log(a) //output:? a(){} var a = 1; function a(){}; var a = 10; console.log(a) //output:10 ==== ... a = 10; } console.log(a) //output:10 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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518 views

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scope - How do I give multiple JavaScript objects across multiple files access to same private variable?

If I want to span my JavaScript project across multiple source files, but have each file have access to the same ... something I want to do. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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391 views

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scope - While without global

This snippet of code is from JuliaBoxTutorials myfriends = ["Ted", "Robyn", "Barney", "Lily", "Marshall" ... without stating a global variable? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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400 views

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scope - javascript: Using the current for-loop counter-value inside a function() { }?

on a website i want to do this: (simplified) myHandlers = new Array(); for(var i = 0; i < 7; i++) { ... a way to actually copy this value, no? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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464 views

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scope - Why is this c++ working? (variables with the same name)

Alright, I wanna know why this code is working, I just realized that I have two variables with the same name ... = i; p_new_solution_size++; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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606 views

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scope - Where can we use Variable Scoping and Shadowing in Go?

Some related posts I've found: go variable scope and shadowing Golang: variable scope inside if statements ... answers will be appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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347 views

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scope - Java: Anonymous inner class using a local variable

How can I get the value of userId passed to this method in my anonymous inner subclass here? public void doStuff( ... I don't quite know yet. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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536 views

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scope - Is it possible to access outer local variable in PHP?

Is it possible to access outer local varialbe in a PHP sub-function? In below code, I want to access variable $l in inner ... } bar(); } foo(); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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538 views

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scope - Access extern variable in C++ from another file

I have a global variable in one of the cpp files, where I am assigning a value to it. Now in order to be ... I wasted 4 days playing with that. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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433 views

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scope - How can I access global variable inside class in Python

I have this: g_c = 0 class TestClass(): global g_c def run(self): for i in range(10): g_c = 1 ... I actually modify my global variable g_c? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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558 views

1 answer

scope - Rails: Why is with_exclusive_scope protected? Any good practice on how to use it?

Given a model with default_scope to filter all outdated entries: # == Schema Information # # id :integer(4) not null ... 't be the rails-way!? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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491 views

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scope - Why is the type not accessible?

I'm trying to return a type from a fortran function. This is the code. module somemodule implicit none ! define ... is the type not accessible? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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562 views

1 answer

scope - Local and Global variables in perl

I am having few doubts about the local/our scope in Perl. I read a lot of documentation, but I am still ... look repetitive, but I am confused. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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320 views

1 answer

scope - Variable types in CoffeeScript

I'm not quite sure the uses for the different variables in CoffeeScript class Cow @utters = 1 constructor: (@name ... how should it be accessed? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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562 views

1 answer

scope - Variable scoping in PowerShell

A sad thing about PowerShell is that function and scriptblocks are dynamically scoped. But there is another thing that ... the copy-on-write? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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589 views

1 answer

scope - Java local variable visibility in anonymous inner classes - why is 'final' keyword required?

I don't understand why I cannot always access a variable from inside a 'listener' or 'handler'. This is my ... to gain access inside an event? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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550 views

1 answer

scope - What are the double colons (::) in R?

I am following a tutorial in Rbloggers and found the use of double colons, I looked online, but I couldn't ... I don't understand their purpose. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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614 views

1 answer

scope - Access a global variable in a PHP function

According to the most programming languages scope rules, I can access variables that are defined outside of functions ... The output is []. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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475 views

1 answer

scope - Getting "global name 'foo' is not defined" with Python's timeit

I'm trying to find out how much time it takes to execute a Python statement, so I looked online and found ... doesn't work. Any thoughts? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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456 views

1 answer

scope - globals and locals in python exec()

I'm trying to run a piece of python code using exec. my_code = """ class A(object): pass print ' ... like a pretty standard closure scenario. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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591 views

1 answer

scope - Python: Sharing global variables between modules and classes therein

I know that it's possible to share a global variable across modules in Python. However, I would like to know ... in bot_modif_mod.py by mew(). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

453 views

1 answer

scope - How should I use the "my" keyword in Perl?

I keep seeing the "my" keyword in front of variable names in example Perl scripts online but I have no idea what it ... do and how is it used? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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494 views

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scope - Private inner classes in C# - why aren't they used more often?

I am relatively new to C# and each time I begin to work on a C# project (I only worked on nearly mature ... on this subject - Am I right? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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766 views

1 answer

scope - JSF 1.2: How to keep request scoped managed bean alive across postbacks on same view?

Is it possible to keep a request scoped bean alive across postbacks on the same page? The general problem is, ... not work as intented anymore. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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