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Using -performSelector: vs. just calling the method
...nce in what is going to happen. doSomething will be synchronously executed by object. Only "doSomething" is a very simple method, that does not return anything, and does not require any parameters.
were it something a little more complicated, like:
(void)doSomethingWithMyAge:(NSUInteger)age;
thi...
SQL Server CTE and recursion example
...block is called an [Anchor]
-- The query finds all root nodes as described by WHERE ManagerID IS NULL
SELECT EmployeeID, FirstName, LastName, ManagerID, 1
FROM Employees
WHERE ManagerID IS NULL
-->>>>>>>>>>Block 1>>>>>>>>>>>&...
Foreign Key to non-primary key
...primary key), and a Claim table that also contains a SSN column (populated by business logic from the Customer data, but no FK exists). The design is flawed, but has been in use for several years, and three different applications have been built on the schema. It should be obvious that ripping out...
Nested JSON objects - do I have to use arrays for everything?
....othertype.id
obj.otherstuff.thing[0][1] //thing is a nested array or a 2-by-2 matrix.
//I'm not sure whether you intended to do that.
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How to create standard Borderless buttons (like in the design guideline mentioned)?
...ons.
I goggled and tried to find in the source but can't bring it together by myself.
Is this the normal Button widget but you add a custom (Android default) style?
How to make these borderless buttons (of course you can set the background to empty, but then I don't have the divider)?
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Your content must have a ListView whose id attribute is 'android.R.id.list'
...multiple test devices, make sure you are making changes to the layout used by the device. In my case, I spent a while making changes to xmls in the "layout" directory until I discovered that my larger phone (which I switched to halfway through testing) was using xmls in the "layout-sw360dp" director...
Oracle: how to UPSERT (update or insert into a table?)
... I disagree with Chotchki. "Lock Duration : All locks acquired by statements within a transaction are held for the duration of the transaction, preventing destructive interference including dirty reads, lost updates, and destructive DDL operations from concurrent transactions." Souce : l...
Design for Facebook authentication in an iOS app that also accesses a secured web service
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Use https to transmit the auth token to your server, as stated by Facebook
Sharing of Access Tokens
Our Data Policies explicitly prohibit any sharing of an Access Token
for your app with any other app. However, we do allow developers to
share Tokens between a native implemen...
How to use the toString method in Java?
...e toString function doesn't mean you should too.
– Toby Caulk
Jul 12 '17 at 18:42
2
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What are the differences between the different saving methods in Hibernate?
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The answer by jrudolph below is more accurate.
– azerole
Sep 10 '12 at 9:59
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