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1500 questions
3011
votes
23 answers
What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
What do *args and **kwargs mean?
def foo(x, y, *args):
def bar(x, y, **kwargs):
Todd
- 31,410
- 4
- 21
- 13
3011
votes
15 answers
I ran into a merge conflict. How can I abort the merge?
I used git pull and had a merge conflict:
unmerged: _widget.html.erb
You are in the middle of a conflicted merge.
I know that the other version of the file is good and that mine is bad so all my changes should be abandoned. How can I do this?
Gwyn Morfey
- 31,311
- 6
- 24
- 21
3002
votes
34 answers
How can you find out which process is listening on a TCP or UDP port on Windows?
How can you find out which process is listening on a TCP or UDP port on Windows?
readonly
- 326,166
- 107
- 202
- 204
3000
votes
7 answers
Understanding Python super() with __init__() methods
Why is super() used?
Is there a difference between using Base.__init__ and super().__init__?
class Base(object):
def __init__(self):
print "Base created"
class ChildA(Base):
def __init__(self):
Base.__init__(self)
…
Mizipzor
- 48,671
- 21
- 94
- 137
2987
votes
40 answers
Should I use the datetime or timestamp data type in MySQL?
Would you recommend using a datetime or a timestamp field, and why (using MySQL)?
I'm working with PHP on the server side.
Gad
- 39,904
- 13
- 53
- 78
2984
votes
52 answers
Is there a unique Android device ID?
Do Android devices have a unique ID, and if so, what is a simple way to access it using Java?
Tyler
- 30,437
- 8
- 20
- 22
2970
votes
12 answers
What does cherry-picking a commit with Git mean?
Recently, I have been asked to cherry-pick a commit.
So what does cherry-picking a commit in git mean? How do you do it?
Rahul
- 42,073
- 24
- 68
- 100
2963
votes
27 answers
How do you set, clear, and toggle a single bit?
How do you set, clear, and toggle a bit?
JeffV
- 50,397
- 31
- 100
- 123
2960
votes
39 answers
How can I know which radio button is selected via jQuery?
I have two radio buttons and want to post the value of the selected one.
How can I get the value with jQuery?
I can get all of them like this:
$("form :radio")
How do I know which one is selected?
juan
- 77,330
- 50
- 158
- 193
2955
votes
28 answers
Git is not working after macOS Update (xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools)
I updated to macOS Mojave (this happens on Catalina update too, and seems to potentially occur on every major update thereafter)
This morning I navigated to my work's codebase in the Command Line on my MacBook pro, typed in "git status" in the…
dustbuster
- 70,146
- 4
- 18
- 37
2937
votes
15 answers
How do I delete a file or folder in Python?
How do I delete a file or folder?
Zygimantas
- 29,675
- 5
- 17
- 23
2918
votes
3 answers
Why is printing "B" dramatically slower than printing "#"?
I generated two matrices of 1000 x 1000:
First Matrix: O and #.
Second Matrix: O and B.
Using the following code, the first matrix took 8.52 seconds to complete:
Random r = new Random();
for (int i = 0; i < 1000; i++) {
for (int j = 0; j < 1000;…
Kuba Spatny
- 25,968
- 9
- 36
- 62
2911
votes
24 answers
How to store objects in HTML5 localStorage
I'd like to store a JavaScript object in HTML5 localStorage, but my object is apparently being converted to a string.
I can store and retrieve primitive JavaScript types and arrays using localStorage, but objects don't seem to work. Should…
Kristopher Johnson
- 79,268
- 55
- 237
- 302
2891
votes
26 answers
Deleting an element from an array in PHP
Is there an easy way to delete an element from an array using PHP, such that foreach ($array) no longer includes that element?
I thought that setting it to null would do it, but apparently it does not work.
Ben
- 63,484
- 36
- 83
- 107
2891
votes
30 answers
How to append something to an array?
How do I append an object (such as a string or number) to an array in JavaScript?
interstar
- 24,498
- 34
- 108
- 169