Tag: set

63 votes
12 answers
3K views
What is the difference between MOV and LEA?

I would like to know what the difference between these instructions is: MOV AX, [TABLE-ADDR] and LEA AX,

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Juliane
0 1 0 9
asked 07 September, 2021
57 votes
2 answers
2.6K views
Why is `[` better than `subset`?

When I need to filter a data.frame, i.e., extract rows that meet certain conditions, I prefer to use the subse

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Lawanda
0 1 0 9
asked 07 September, 2021
55 votes
8 answers
2.4K views
What's the difference between utf8_general_ci and utf8_unicode_ci?

Between utf8_general_ci and utf8_unicode_ci, are there any differences in terms of performance?

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Adolfo
0 1 0 9
asked 07 September, 2021
51 votes
5 answers
2.4K views
How do I delete an exported environment variable?

Before installing gnuplot, I set the environment variable GNUPLOT_DRIVER_DIR = /home/gnuplot/build/src. During

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Bryant
0 1 0 9
asked 07 September, 2021
59 votes
9 answers
549 views
Move existing, uncommitted work to a new branch in Git

I started some work on a new feature and after coding for a bit, I decided this feature should be on its own b

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Chelsea
0 1 0 9
asked 07 September, 2021
53 votes
30 answers
3K views
Delete commits from a branch in Git

I would like to know how to delete a commit. By delete, I mean it is as if I didn't make that commit, an

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Don
0 1 0 9
asked 07 September, 2021
62 votes
30 answers
983 views
59 votes
1 answers
965 views
Joomla database settings

What is the file, where database setting are stored in Joomla CMS? Like server, user name, database name and

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Leonardo
0 1 0 9
asked 07 September, 2021
49 votes
14 answers
3K views
How can I save application settings in a Windows Forms application?

What I want to achieve is very simple: I have a Windows Forms (.NET 3.5) application that uses a path for read

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Karolyn
0 1 0 9
asked 07 September, 2021
55 votes
15 answers
438 views
Getting value from appsettings.json in .net core

Not sure what am I missing here but I am not able to get the values from my appsettings.json in my .net core a

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Solomon
0 1 0 9
asked 07 September, 2021
63 votes
30 answers
2.3K views
How to update nested state properties in React

I'm trying to organize my state by using nested property like this: this.state = { someProperty: {

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Thurman
0 1 0 9
asked 07 September, 2021
57 votes
6 answers
2.3K views
How is set() implemented?

I've seen people say that set objects in python have O(1) membership-checking. How are they implemented i

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Dusty
0 1 0 9
asked 07 September, 2021
57 votes
10 answers
1.9K views
Python Sets vs Lists

In Python, which data structure is more efficient/speedy? Assuming that order is not important to me and I wou

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Trudy
0 1 0 9
asked 07 September, 2021
56 votes
19 answers
1.5K views
Why doesn't java.util.Set have get(int index)?

I'm sure there's a good reason, but could someone please explain why the java.util.Set interface lac

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Kisha
0 1 0 9
asked 07 September, 2021
65 votes
12 answers
1.3K views
In Python, when to use a Dictionary, List or Set?

When should I use a dictionary, list or set? Are there scenarios that are more suited for each data type?

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Ali
0 1 0 9
asked 07 September, 2021
63 votes
13 answers
2.8K views
How can I remove a key from a Python dictionary?

When deleting a key from a dictionary, I use: if 'key' in my_dict: del my_dict['key']

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Jeff
0 1 0 9
asked 07 September, 2021
60 votes
30 answers
1.3K views
Why use getters and setters/accessors?

What's the advantage of using getters and setters - that only get and set - instead of simply using publi

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Shantay
0 1 0 9
asked 07 September, 2021
52 votes
26 answers
964 views
Deleting an element from an array in PHP

Is there an easy way to delete an element from an array using PHP, such that foreach ($array) no longer includ

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Kisha
0 1 0 9
asked 07 September, 2021
61 votes
14 answers
591 views
Azure website message "You do not have permission to view this directory or page.". What to do?

After I published an ASP.NET Core app to Azure from Visual Studio 2017 I am getting this message when I click

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Robt
0 1 0 9
asked 07 September, 2021