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Return rows in random order [duplicate]
Is it possible to write SQL query that returns table rows in random order every time the query run?
6 Answers
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What's the difference between UTF-8 and UTF-8 without BOM?
...ommended for UTF-8, but may be encountered in contexts where UTF-8 data is converted from other encoding forms that use a BOM or where the BOM is used as a UTF-8 signature. See the “Byte Order Mark” subsection in Section 16.8, Specials, for more information.
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restrict edittext to single line
possible duplicate : android-singleline-true-not-working-for-edittext
23 Answers
23
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How to check if current thread is not main thread
...eturn null if the thread is not associated with a Looper. So both are safe and have the same result but the first one is a little bit slower while it searches inside a map to find out the looper and its associated thread and do some other stuff .
– Saeed Masoumi
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iOS 7 sizeWithAttributes: replacement for sizeWithFont:constrainedToSize
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If you have the text, font, numberOfLines and width of your label set, this method returns the size of your label:
myLabel.numberOfLines = 0;
CGSize size = [myLabel sizeThatFits:CGSizeMake(myLabel.frame.size.width, CGFLOAT_MAX)];`
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Why do we need fibers
... and update it before returning a value. With fibers, we can automatically convert any internal iterator to an external one.
This doesn't have to do with fibers persay, but let me mention one more thing you can do with Enumerators: they allow you to apply higher-order Enumerable methods to other it...
Remove all spaces from a string in SQL Server
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Reference taken from this blog:
First, Create sample table and data:
CREATE TABLE tbl_RemoveExtraSpaces
(
Rno INT
,Name VARCHAR(100)
)
GO
INSERT INTO tbl_RemoveExtraSpaces VALUES (1,'I am Anvesh Patel')
INSERT INTO tbl_RemoveExtraSpaces VALUES (2,'Database Rese...
How do I pass variables and data from PHP to JavaScript?
...tured data will have to be valid HTML, otherwise you'll have to escape and convert strings yourself.
Tightly couples PHP to your data logic - Because PHP is used in presentation, you can't separate the two cleanly.
Implementation Example
With this, the idea is to create some sort of element which...
const char* concatenation
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In your example one and two are char pointers, pointing to char constants. You cannot change the char constants pointed to by these pointers. So anything like:
strcat(one,two); // append string two to string one.
will not work. Instead you sh...
How can I pair socks from a pile efficiently?
...n't think you need a lookup table. A single linear pass over the socks can convert the socks to number vectors, making the mapping of "sock segment" to bucket trivial. The socks can be tied to the vectors with string so that you don't need another linear pass at the end.
– Poin...