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How to keep onItemSelected from firing off on a newly instantiated Spinner?
...llet-proof solution would be to keep a variable with the "current selected index", initialized to the first item selected. Then on selection event - check if it equals the new position - return and do nothing. Of course update the variable on selection.
– daniel.gindi
...
How to manage a redirect request after a jQuery Ajax call
...s issue by:
Adding a custom header to the response:
public ActionResult Index(){
if (!HttpContext.User.Identity.IsAuthenticated)
{
HttpContext.Response.AddHeader("REQUIRES_AUTH","1");
}
return View();
}
Binding a JavaScript function to the ajaxSuccess event and checking t...
Python: List vs Dict for look up table
...t "lists" in Python are what most people would call vectors, which provide indexed access in O(1) and a find operation in O(log n), when sorted.
– zweiterlinde
Feb 5 '09 at 14:49
...
Loop through all nested dictionary values?
I'm trying to loop through a dictionary and print out all key value pairs where the value is not a nested dictionary. If the value is a dictionary I want to go into it and print out its key value pairs...etc. Any help?
...
Convert data.frame column format from character to factor
...you to see the classes of the variables (all numeric)
#one approach it to index with the $ sign and the as.factor function
mtcars$am <- as.factor(mtcars$am)
#another approach
mtcars[, 'cyl'] <- as.factor(mtcars[, 'cyl'])
str(mtcars) # now look at the classes
This also works for character, ...
Pointer vs. Reference
...s not a simple structure but an array of it. In this case you could either index it using [] or do arithmetic by using ++/-- on the pointer. That's the difference in a nutshell.
– Nils Pipenbrinck
Nov 25 '08 at 20:35
...
Insert line break inside placeholder attribute of a textarea?
...eholder {
position: relative;
> div {
position: absolute;
z-index: -1;
top: 0;
left: 0;
width: 100%;
height: 100%;
padding: $input-padding;
background-color: #fff;
@include placeholder-style();
}
}
::-webkit-input-placeholder {
@include placeholder-sty...
Is there a way to make npm install (the command) to work behind proxy?
...roxy variable in a .npmrc file but it does not work. Trying to avoid manually downloading all require packages and installing.
...
How to dynamically compose an OR query filter in Django?
...o:
list = [1, 2, 3]
# it gets a bit more complicated if we want to dynamically build
# OR queries with dynamic/unknown db field keys, let's say with a list
# of db fields that can change like the following
# list_with_strings = ['dbfield1', 'dbfield2', 'dbfield3']
# init our q objects variable to ...
How assignment works with Python list slice?
...
To be clear, "takes a slice of" really means "make a copy of a slice of" which is where part of the confusion comes from.
– Mark Ransom
May 16 '12 at 17:12
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