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How do I check if file exists in jQuery or pure JavaScript?
...ajax({
url:'http://www.example.com/somefile.ext',
type:'HEAD',
error: function()
{
//file not exists
},
success: function()
{
//file exists
}
});
EDIT:
Here is the code for checking 404 status, without using jQuery
function UrlExists(url)
{
var...
TypeError: 'module' object is not callable
Why am I getting this error?
I'm confused.
11 Answers
11
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Does Ruby have a string.startswith(“abc”) built in method?
Does Ruby have a some_string.starts_with("abc") method that's built in?
4 Answers
4
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Programmatically set height on LayoutParams as density-independent pixels
Is there any way to set the height/width of a LayoutParams as density-independent pixels (dp)? It looks like the height/width, when set programmatically, are in pixels and not dp.
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Determine path of the executing script
...
Got the same error, with a saved scriptt and freshly installed and run R 3.2.0 on windows...
– RalfB
May 20 '15 at 9:57
...
Can git ignore a specific line?
I'm using git to sync to phonegap while testing on the phone's native browser. As such I have the following line:
8 Answers...
is there a require for json in node.js
I would like to include a couple of JSON files in my JavaScript code that are in the same directory as my JavaScript source file.
...
How do I raise a Response Forbidden in django
...sed to returing HttpResponseForbidden, raising PermissionDenied causes the error to be rendered using the 403.html template, or you can use middleware to show a custom "Forbidden" view.
share
|
impr...
NSString property: copy or retain?
Let's say I have a class called SomeClass with a string property name:
10 Answers
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How do I implement __getattribute__ without an infinite recursion error?
...
You get a recursion error because your attempt to access the self.__dict__ attribute inside __getattribute__ invokes your __getattribute__ again. If you use object's __getattribute__ instead, it works:
class D(object):
def __init__(self):
...