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Detect if the app was launched/opened from a push notification
...e case where you have your app in the foreground, lock the phone, and then select a push notification from the lock screen, it is calling didReceiveRemoteNotification:background just before calling applicationWillEnterForeground rather than what we are seeing on iOS 10 where it calls applicationWill...
How is a tag different from a branch in Git? Which should I use, here?
...;" would generate anonymous unnamed branch (so called 'detached HEAD') and select state of tag. Creating a new commit does it on this unnamed branch, and does not change what tag points to.
– Jakub Narębski
Feb 16 '12 at 14:04
...
Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
...
+1; I've tried the formula in Maple for select numbers and it works. I still couldn't convince myself WHY it works, though.
– polygenelubricants
Aug 16 '10 at 11:12
...
What are some uses of decltype(auto)?
...
For non-generic code, like the initial example you gave, you can manually select to get a reference as a return type:
auto const& Example(int const& i)
{
return i;
}
but in generic code you want to be able to perfectly forward a return type without knowing whether you are dealing ...
Implementing MVC with Windows Forms
... bit complex, but it can work well for applications that have a good fit.
Selecting an MVC/MVP Implementation for a Winforms Project give an overview that is worth reading. A lot of people like PureMVC. I have never used it, but I would look at it the next time I need a MVC framework.
"Presenter F...
How does BLAS get such extreme performance?
... can have different settings). It tries different configurations and then selects the best for the particular target system.
(Tip: That is why if you are using ATLAS you are better off building and tuning the library by hand for your particular machine then using a prebuilt one.)
...
What is the main difference between PATCH and PUT request?
...es.
http patch method is like a UPDATE query in SQL which sets or updates selected columns only and not the whole row.
Example: You could use PATCH method to update order status.
PATCH /api/users/40450236/order/10234557
Request Body: {status: 'Delivered'}
...
CSS :after not adding content to certain elements
... form elements (<button>, <textarea>,
<input>, and <select> tags). All other elements types can be referred
to as non-replaced elements.
:before and :after only work with non-replaced elements.
From the spec:
Note. This specification does not fully define the inter...
What makes Lisp macros so special?
...could write a macro that lets you say something like:
(setvar *rows* (sql select count(*)
from some-table
where column1 = "Yes"
and column2 like "some%string%")
And thats not even getting into Reader macros.
Hope this helps.
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App Inventor 2 中的响应式设计 · App Inventor 2 中文网
...o change the Screen.Sizing property, on the Designer screen with Screen1 selected in Components, go to Properties on the right-hand side of the App Inventor. You will find a box below “Sizing” that usually defaults to Fixed, located about 2/3 down. This property is set project-wide.
When si...