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,
57
votes
2
answers
2.5K
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
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?
51
votes
5
answers
2.3K
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
59
votes
9
answers
542
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
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
62
votes
30
answers
978
views
59
votes
1
answers
954
views
Joomla database settings
What is the file, where database setting are stored in Joomla CMS? Like server, user name, database name and
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
55
votes
15
answers
429
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
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: {
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
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
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
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?
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']
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
52
votes
26
answers
954
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
61
votes
14
answers
582
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
