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What is the difference between a stored procedure and a view?
... tables in a view and use the view to present the data as if the data were coming from a single table.
A stored procedure uses parameters to do a function... whether it is updating and inserting data, or returning single values or data sets.
Creating Views and Stored Procedures - has some informat...
Remove HTML Tags from an NSString on the iPhone
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Convert a byte array to integer in Java and vice versa
..., the ByteBuffer. It can do all the work for you.
byte[] arr = { 0x00, 0x01 };
ByteBuffer wrapped = ByteBuffer.wrap(arr); // big-endian by default
short num = wrapped.getShort(); // 1
ByteBuffer dbuf = ByteBuffer.allocate(2);
dbuf.putShort(num);
byte[] bytes = dbuf.array(); // { 0, 1 }
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How to use SCNetworkReachability in Swift
...Note also that registering a notifier callback is possible as of
Swift 2, compare Working with C APIs from Swift and Swift 2 - UnsafeMutablePointer<Void> to object.
Update for Swift 3/4:
Unsafe pointers cannot be simply be converted to a pointer of a
different type anymore (see - SE-0107...
postgresql COUNT(DISTINCT …) very slow
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I found this thread on www.postgresql.org which discusses the same thing: link. One of the replies (by Jeff Janes) says that COUNT(DISTINCT()) sorts the table to do its work instead of using hash.
– Ankur
Dec ...
Convert HTML to NSAttributedString in iOS
...taneous.)
– Norman
Sep 16 '14 at 21:01
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What are database normal forms and can you give examples? [closed]
...so help me God"; as God is considered to be the one with authority when it comes to knowing if you're telling the truth. In the case of databases, we can say "The data depends on the key, the whole key and nothing but the key, so help me Codd". Ted Codd is the one who came up with the idea of relati...
Imitate Facebook hide/show expanding/contracting Navigation Bar
... scrolls up the navigationBar gradually hides itself to a point where it completely vanishes. Then when the user scrolls down the navigationBar gradually shows itself.
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Changing Vim indentation behavior by file type
...ftwidth.
– johncip
Aug 22 '16 at 20:01
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