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NSInvocation for Dummies?
...ay addObject:myString];.
Think of it like sending an email. You open up a new email (NSInvocation object), fill in the address of the person (object) who you want to send it to, type in a message for the recipient (specify a selector and arguments), and then click "send" (call invoke).
See Using N...
What are dictionary view objects?
... list of keys (Python 2, on the other hand, often unnecessarily creates a new list, as quoted by Rajendran T, which takes memory and time in an amount proportional to the length of the list). To continue the window analogy, if you want to see a landscape behind a wall, you simply make an opening i...
Is jQuery “each()” function synchronous?
consider this scenario for validating:
9 Answers
9
...
Optimal way to concatenate/aggregate strings
...ich should work fine in Azure.
;WITH Partitioned AS
(
SELECT
ID,
Name,
ROW_NUMBER() OVER (PARTITION BY ID ORDER BY Name) AS NameNumber,
COUNT(*) OVER (PARTITION BY ID) AS NameCount
FROM dbo.SourceTable
),
Concatenated AS
(
SELECT
ID,
CA...
Not receiving Google OAuth refresh token
...nam Store the refresh token and expiry date. When it expires you request a new token using the refresh token. See here: developers.google.com/accounts/docs/OAuth2WebServer#refresh
– gelviis
Jun 3 '13 at 13:18
...
UIActivityViewController crashing on iOS 8 iPads
...iPad the activity view controller will be displayed as a popover using the new UIPopoverPresentationController, it requires that you specify an anchor point for the presentation of the popover using one of the three following properties:
barButtonItem
sourceView
sourceRect
In order to specify th...
Laravel 4 Eloquent Query Using WHERE with OR AND OR?
...ink you will have to add the use keyword to use the attributes variable inside the where.
– Meneer Venus
Jul 18 '15 at 14:40
...
Vim: How do you open another [No Name] buffer like the one on startup?
...
There are many ways to open a new buffer with no name, the simplest of which is :new.
:new will create a split window with an unnamed buffer.
:enew will open one in the current window.
:vnew will open one in a vertically split window.
:tabnew will ope...
What's the difference between django OneToOneField and ForeignKey?
...
The best and the most effective way to learn new things is to see and study real world practical examples. Suppose for a moment that you want to build a blog in django where reporters can write and publish news articles. The owner of the online newspaper wants to allow ...
jQuery 1.9 .live() is not a function
... DOM selector context
/**
* Forward port jQuery.live()
* Wrapper for newer jQuery.on()
* Uses optimized selector context
* Only add if live() not already existing.
*/
if (typeof jQuery.fn.live == 'undefined' || !(jQuery.isFunction(jQuery.fn.live))) {
jQuery.fn.extend({
live: functio...