Questions tagged [user-defined]
253 questions
174
votes
17 answers
Set Locale programmatically
My app supports 3 (soon 4) languages. Since several locales are quite similar I'd like to give the user the option to change locale in my application, for instance an Italian person might prefer Spanish over English.
Is there a way for the user to…
Roland
- 5,328
- 10
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- 55
151
votes
3 answers
How is __eq__ handled in Python and in what order?
Since Python does not provide left/right versions of its comparison operators, how does it decide which function to call?
class A(object):
def __eq__(self, other):
print "A __eq__ called"
return self.value == other
class…
PyProg
- 1,525
- 2
- 10
- 4
65
votes
11 answers
Calling a user defined function in jQuery
I am trying to call a user defined function in jQuery:
$(document).ready(function() {
$('#btnSun').click(function() {
myFunction();
});
$.fn.myFunction = function() {
alert('hi');
}
});
user269867
- 3,266
- 9
- 45
- 65
54
votes
8 answers
Adding a user-defined language in Notepad++
I'm trying to add the syntax plugin for the Go programming language in Notepad++.
There is a repository for such user-defined languages. I downloaded and unzipped the Go files, which contained a README, a userDefinedLang_Go.xml, and go.xml.
I…
Brendan Tracey
- 656
- 1
- 5
- 5
20
votes
6 answers
Failed to set () user defined inspected property on (UIButton)
In a simple ViewController, I added one UIButton.
I would like to use "User Defined Runtime Attributes". For now I added the default Bool attribute.
The button is an @IBOutlet:
@IBOutlet var button:UIButton!
The link in the storyboard is done.
I…
cmii
- 3,556
- 8
- 38
- 69
17
votes
1 answer
List all User-defined Variables & Functions in a Notebook in Mathematica
Is there a way to list all the user-defined variables & function in a Notebook ?
I would like this for the comfort it brings to a notebook overview as well as to spot potential multiple use of a variable name (thus redefining it accidental)
500
- 6,509
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- 80
17
votes
3 answers
Make a user-created function in R
I'm sorry if this has been asked before but I can't find the answer.
Let's say I write a small function in R
add2<-function(a){
return(a+2)
}
I save it as add2.R in my home directory (or any directory). How do I get R to find it??
> add2(4)
Error:…
stuppie
- 384
- 1
- 8
- 18
14
votes
3 answers
How to use user-defined class object as a networkx node?
Class point is defined as (there are also some methods, atributes, and stuff in it, but this is minimal part):
class point():
def ___init___(self, x, y):
self.x = x
self.y = y
So, I saw this question, but when I tried applying…
Luka Petrović
- 329
- 3
- 9
12
votes
1 answer
User-defined variable in an INSERT query for MySQL
I need to use user-defined variable in an INSERT query for MySQL, see an example bellow:
INSERT INTO `posts`(`id`) VALUES(NULL);
SET @last_insert_id = LAST_INSERT_ID();
INSERT INTO `comments`(`id`, `post_id`) VALUES(NULL, "@last_insert_id");
This…
Igor Timoshenko
- 1,001
- 3
- 14
- 27
11
votes
2 answers
How to copy user libraries between workspaces in Eclipse
I was mistaken in thinking that the user libraries I define in one workspace would be available in all and subsequently created workspaces.
So I created a new workspace to organize the myriad of projects, but alas my user-defined libraries did not…
Alexx
- 3,572
- 6
- 32
- 39
11
votes
1 answer
Where To Put User-defined Classes in Rails
I'm trying to to use this class
http://robbyonrails.com/articles/2005/05/11/parsing-a-rss-feed
but am not sure where to place the file so that it functions like a helper.
Dex
- 12,527
- 15
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- 90
9
votes
3 answers
Create Error with custom text that prevents compiling in VB.NET (#error in C#)
You can add a preprocessor directive to cause an error at compile time in C# like this:
#error This will cause a divide by zero
How can I do the same as this in vb.net?
or
Is there another way to create an error that provides custom helpful…
jth41
- 3,808
- 9
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- 109
8
votes
1 answer
User-defined infix operators
It is easy to introduce new infix operators in C++
// User-defined infix operator framework
template
struct LeftHelper
{
const LeftOperand& leftOperand;
const Operation& operation;
…
n. m. could be an AI
- 112,515
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7
votes
1 answer
Approaches to preserving object's attributes during extract/replace operations
Recently I encountered the following problem in my R code. In a function, accepting a data frame as an argument, I needed to add (or replace, if it exists) a column with data calculated based on values of the data frame's original column. I wrote…
Aleksandr Blekh
- 2,462
- 4
- 32
- 64
7
votes
4 answers
Comparison of JSON and User-Defined types in Postgres 9.3
I wonder why there is so much fuss about JSON support in Postgres 9.3. What are advantages of JSON over User-defined types (UDTs)? What are pitfalls in using UDTs? Is access to tables with UDTs inefficient? Is ALTER TYPE ADD attribute slow? How are…
rlib
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