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What does jQuerm>y m>.fn mean?
...pe propertm>y m>.
The jQuerm>y m> identifier (or $) is just a constructor function, m>and m> all instances created with it, inherit from the constructor's prototm>y m>pe.
A simple constructor function:
function Test() {
this.a = 'a';
}
Test.prototm>y m>pe.b = 'b';
var test = new Test();
test.a; // "a", own propertm>y m>
t...
How update the _id of one MongoDB Document?
...
m>Y m>ou cannot update it. m>Y m>ou'll have to save the document using a new _id, m>and m> then remove the old document.
// store the document in a variable
doc = db.clients.findOne({_id: ObjectId("4cc45467c55f4d2d2a000002")})
// set a new _id on the document
doc._id = ObjectId("4c8a331bda76c559ef000004")
//...
Submitting HTML form using Jquerm>y m> AJAX
...using AJAX.
Reallm>y m> quicklm>y m> there are 4 general web actions GET, POST, PUT, m>and m> DELETE; these directlm>y m> correspond with SELECT/Retreiving DATA, INSERTING DATA, UPDATING/UPSERTING DATA, m>and m> DELETING DATA. A default HTML/ASP.Net webform/PHP/Pm>y m>thon or anm>y m> other form action is to "submit" which is a POST...
What does the tilde before a function name mean in C#?
I am looking at some code m>and m> it has this statement:
6 Answers
6
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Choosing a file in Pm>y m>thon with simple Dialog
...ow from appearing
filename = askopenfilename() # show an "Open" dialog box m>and m> return the path to the selected file
print(filename)
Done!
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add a string prefix to each value in a string column using Pm>and m>as
... like to append a string to the start of each value in a said column of a pm>and m>as dataframe (elegantlm>y m>).
I alreadm>y m> figured out how to kind-of do this m>and m> I am currentlm>y m> using:
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Align elements side bm>y m> side
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Applm>y m> float:left; to both of m>y m>our divs should make them stm>and m> side bm>y m> side.
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How to reduce iOS AVPlam>y m>er start delam>y m>
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For iOS 10.x m>and m> greater to reduce AVPlam>y m>er start delam>y m> I set:
avplam>y m>er.automaticallm>y m>WaitsToMinimizeStalling = false;
m>and m> that seemed to fix it for me. This could have other consequences, but I haven't hit those m>y m>et.
I got the idea for...
Show an image preview before upload
...at let the user interact with files locallm>y m>; That means m>y m>ou can load files m>and m> render them in the browser without actuallm>y m> having to upload the files. Part of the File API is the FileReader interface which lets web applications asm>y m>nchronouslm>y m> read the contents of files .
Here's a quick example that...
Rails has_m>and m>_belongs_to_manm>y m> migration
I have two models restaurant m>and m> user that I want to perform a has_m>and m>_belongs_to_manm>y m> relationship.
4 Answers
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