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1500 questions
3082
votes
34 answers
How can I upload files asynchronously with jQuery?
I would like to upload a file asynchronously with jQuery.
$(document).ready(function () {
$("#uploadbutton").click(function () {
var filename = $("#file").val();
$.ajax({
type: "POST",
url:…
Sergio del Amo
- 74,335
- 67
- 149
- 178
3079
votes
18 answers
How do I disable the resizable property of a textarea?
I want to disable the resizable property of a textarea.
Currently, I can resize a textarea by clicking on the bottom right corner of the textarea and dragging the mouse. How can I disable this?
user549757
- 31,364
- 4
- 18
- 20
3079
votes
13 answers
How can I make a time delay?
I would like to know how to put a time delay in a Python script.
user46646
- 144,445
- 43
- 74
- 84
3076
votes
30 answers
How to find and restore a deleted file in a Git repository
Say I'm in a Git repository. I delete a file and commit that change. I continue working and make some more commits. Then, I find I need to restore that file.
I know I can checkout a file using git checkout HEAD^ foo.bar, but I don't really know when…
avdgaag
- 40,022
- 7
- 28
- 26
3069
votes
58 answers
How do I test a class that has private methods, fields or inner classes?
How do I use JUnit to test a class that has internal private methods, fields or nested classes?
It seems bad to change the access modifier for a method just to be able to run a test.
MattGrommes
- 11,584
- 9
- 35
- 40
3068
votes
21 answers
How do I clone a list so that it doesn't change unexpectedly after assignment?
While using new_list = my_list, any modifications to new_list changes my_list every time. Why is this, and how can I clone or copy the list to prevent it?
aF.
- 62,344
- 41
- 131
- 195
3066
votes
30 answers
pretty-print JSON using JavaScript
How can I display JSON in an easy-to-read (for human readers) format? I'm looking primarily for indentation and whitespace, with perhaps even colors / font-styles / etc.
Mark
- 62,540
- 45
- 115
- 156
3063
votes
20 answers
Is it possible to apply CSS to half of a character?
What I am looking for:
A way to style one HALF of a character. (In this case, half the letter being transparent)
What I have currently searched for and tried (With no luck):
Methods for styling half of a character/letter
Styling part of a character…
Mathew MacLean
- 24,334
- 3
- 22
- 39
3047
votes
29 answers
How do I make git use the editor of my choice for commits?
I would prefer to write my commit messages in Vim, but git is opening them in Emacs.
How do I configure git to always use Vim? Note that I want to do this globally, not just for a single project.
brasskazoo
- 72,485
- 23
- 61
- 74
3031
votes
11 answers
Why does my JavaScript code receive a "No 'Access-Control-Allow-Origin' header is present on the requested resource" error, while Postman does not?
Mod note: This question is about why XMLHttpRequest/fetch/etc. on the browser are subject to the Same Access Policy restrictions (you get errors mentioning CORB or CORS) while Postman is not. This question is not about how to fix a "No…
Mr Jedi
- 31,337
- 8
- 27
- 38
3029
votes
46 answers
Is there an "exists" function for jQuery?
How can I check the existence of an element in jQuery?
The current code that I have is this:
if ($(selector).length > 0) {
// Do something
}
Is there a more elegant way to approach this? Perhaps a plugin or a function?
Jake McGraw
- 54,288
- 10
- 47
- 63
3028
votes
29 answers
How to iterate over a dictionary?
I've seen a few different ways to iterate over a dictionary in C#. Is there a standard way?
Jake Stewart
- 30,489
- 3
- 19
- 15
3025
votes
18 answers
How to make function decorators and chain them together?
How can I make two decorators in Python that would do the following?
@makebold
@makeitalic
def say():
return "Hello"
...which should return:
"Hello"
Imran
- 81,919
- 23
- 95
- 127
3020
votes
68 answers
How can I merge properties of two JavaScript objects dynamically?
I need to be able to merge two (very simple) JavaScript objects at runtime. For example I'd like to:
var obj1 = { food: 'pizza', car: 'ford' }
var obj2 = { animal: 'dog' }
obj1.merge(obj2);
//obj1 now has three properties: food, car, and…
JC Grubbs
- 36,791
- 28
- 65
- 75
3019
votes
14 answers
How do I select rows from a DataFrame based on column values?
How can I select rows from a DataFrame based on values in some column in Pandas?
In SQL, I would use:
SELECT *
FROM table
WHERE column_name = some_value
szli
- 33,033
- 9
- 29
- 38