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What is the maximum length of a Push Notification alert text?
... bytes. There is no restriction on the size of the alert text as far as I know, but only the total payload size. So considering if the payload is minimal and only contains the alert information, it should look like:
{"aps":{"alert":""}}
That takes up 20 characters (20 bytes), leaving 236 bytes to...
Loop through an array in JavaScript
...e this:
var x = [1,2,3,4].map( function(item) {return item * 10;});
And now x is [10,20,30,40].
You don't have to write the function inline. It could be a separate function.
var item_processor = function(item) {
// Do something complicated to an item
}
new_list = my_list.map(item_process...
Why does my 'git branch' have no master?
...e my repo was still empty.) By committing something (any file), the master now came into being, and I was able to go on to doing other things. I tried the things in the other answers, but nothing helped. This one answer here may apply to many people out there. (I read much about hashing in Git. I ...
How to remove folders with a certain name
... @David Grayson suggestion. Without this, find will still try to visit the now missing folder and will eventually exit with an error code, which can e.g. fail a Docker build.
– Czyzby
Mar 18 at 13:19
...
jQuery .ready in a dynamically inserted iframe
...
@cam8001: It was a typo - has now been fixed.
– Már Örlygsson
Mar 28 '11 at 12:10
...
String strip() for JavaScript? [duplicate]
... String(this).replace(/^\s+|\s+$/g, '');
};
}
The trim function will now be available as a first-class function on your strings. For example:
" dog".trim() === "dog" //true
EDIT: Took J-P's suggestion to combine the regex patterns into one. Also added the global modifier per Christoph's s...
When should I use nil and NULL in Objective-C?
...
This accepted answer fails to acknowledge that [NSNull null] is a very different beast. To quote from NSNull Class Reference, "The NSNull class defines a singleton object used to represent null values in collection objects (which don’t allow nil values)." ...
In Django, how do I check if a user is in a certain group?
...ming, there is one initial user
user.groups.add(group) # user is now in the "Editor" group
then user.groups.all() returns [<Group: Editor>].
Alternatively, and more directly, you can check if a a user is in a group by:
if django_user.groups.filter(name = groupname).exists():
...
How to get the size of a JavaScript object?
I want to know the size occupied by a JavaScript object.
20 Answers
20
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What is the Swift equivalent of -[NSObject description]?
... was trying out Printable in a playground and indeed it doesn't work right now. Good it hear it works in a app.
– Tod Cunningham
Jun 23 '14 at 16:05
...