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1500 questions
1656
votes
6 answers
Why do Python classes inherit object?
Why does the following class declaration inherit from object?
class MyClass(object):
...
tjvr
- 17,431
- 6
- 25
- 26
1655
votes
24 answers
You have not concluded your merge (MERGE_HEAD exists)
I made a branch called 'f' and did a checkout to master. When I tried the git pull command I got this message:
You have not concluded your merge (MERGE_HEAD exists).
Please, commit your changes before you can merge.
When I try the git status, it…
Ankit Suri
- 16,490
- 3
- 16
- 19
1653
votes
15 answers
How to fully delete a git repository created with init?
I created a git repository with git init. I'd like to delete it entirely and init a new one.
user105813
- 17,059
- 4
- 21
- 17
1649
votes
8 answers
vs
In order to define charset for HTML5 Doctype, which notation should I use?
Short:
Long:
CuriousMind
- 33,537
- 28
- 98
- 137
1649
votes
15 answers
Why is it important to override GetHashCode when Equals method is overridden?
Given the following class
public class Foo
{
public int FooId { get; set; }
public string FooName { get; set; }
public override bool Equals(object obj)
{
Foo fooItem = obj as Foo;
if (fooItem == null)
{
…
David Basarab
- 72,212
- 42
- 129
- 156
1647
votes
41 answers
Calculate relative time in C#
Given a specific DateTime value, how do I display relative time, like:
2 hours ago
3 days ago
a month ago
Jeff Atwood
- 63,320
- 48
- 150
- 153
1646
votes
49 answers
How can I vertically center a div element for all browsers using CSS?
I want to center a div vertically with CSS. I don't want tables or JavaScript, but only pure CSS. I found some solutions, but all of them are missing Internet Explorer 6 support.
Div to be aligned vertically
How can I…
Burak Erdem
- 19,630
- 7
- 36
- 56
1643
votes
24 answers
1643
votes
8 answers
JavaScript set object key by variable
I am building some objects in JavaScript and pushing those objects into an array, I am storing the key I want to use in a variable then creating my objects like so:
var key = "happyCount";
myArray.push( { key : someValueArray } );
but when I try to…
Hunter McMillen
- 59,865
- 24
- 119
- 170
1642
votes
14 answers
What are rvalues, lvalues, xvalues, glvalues, and prvalues?
In C++03, an expression is either an rvalue or an lvalue. In C++11, the two value categories have become five:
rvalue
lvalue
xvalue
glvalue
prvalue
What are these new categories of expressions, and why are they needed?
How do these new categories…
James McNellis
- 348,265
- 75
- 913
- 977
1640
votes
10 answers
What does __all__ mean in Python?
I see __all__ in __init__.py files. What does it do?
varikin
- 16,849
- 3
- 20
- 19
1640
votes
38 answers
Changing image size in Markdown
I just got started with Markdown. I love it, but there is one thing bugging me: How can I change the size of an image using Markdown?
The documentation only gives the following suggestion for an image:
If it is possible I…
cantdutchthis
- 31,949
- 17
- 74
- 114
1637
votes
12 answers
Create a branch in Git from another branch
I have two branches: master and dev
I want to create a "feature branch" from the dev branch.
Currently on the branch dev, I do:
git checkout -b myfeature dev
... (some work)
git commit -am "blablabla"
git push origin myfeature
But, after…
revohsalf
- 16,443
- 3
- 15
- 4
1636
votes
15 answers
1634
votes
20 answers
How do I reverse a string in Python?
There is no built in reverse function for Python's str object. What is the best way of implementing this method?
If supplying a very concise answer, please elaborate on its efficiency. For example, whether the str object is converted to a different…
oneself
- 38,641
- 34
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