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Multi-statement Table Valued Function vs Inline Table Valued Function
...ke 'C_______' then the outer query did a sub-string and int conversion. ie Cast(Substring(2, 2) as int) as CompNo. All looks good except that sql server decided to put my Cast function before the results were filtered and so I get a mind scrambling conversion error. A multi statement table functio...
Enable 'xp_cmdshell' SQL Server
...ncedOptions int
declare @prevXpCmdshell int
select @prevAdvancedOptions = cast(value_in_use as int) from sys.configurations where name = 'show advanced options'
select @prevXpCmdshell = cast(value_in_use as int) from sys.configurations where name = 'xp_cmdshell'
if (@prevAdvancedOptions = 0)
begin...
How to use Class in Java?
...is overriding the T declared at Class level;
//So There is no ClassCastException though a is not the type of T declared at MyClass<T>.
private <T> T myMethod1(Object a){
return (T) a;
}
//Runtime ClassCastException will be thrown if a is ...
What should I set JAVA_HOME environment variable on macOS X 10.6?
...nvironment variable to start the correct version of Java, locate JRE JARs, and so on.
14 Answers
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Using python's eval() vs. ast.literal_eval()?
...thon literal structures: strings, numbers, tuples, lists, dicts, booleans, and None.
Passing __import__('os').system('rm -rf /a-path-you-really-care-about') into ast.literal_eval() will raise an error, but eval() will happily wipe your drive.
Since it looks like you're only letting the user input...
“You have mail” message in terminal, os X [closed]
...ably it is some message from your system.
Type in terminal:
man mail
, and see how can you get this message from your system.
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Why should I care that Java doesn't have reified generics?
...
Type safety comes to mind. Downcasting to a parametrized type will always be unsafe without reified generics:
List<String> myFriends = new ArrayList();
myFriends.add("Alice");
getSession().put("friends", myFriends);
// later, elsewhere
List<Frien...
Understanding the Event Loop
I am thinking about it and this is what I came up with:
3 Answers
3
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How do I split a string so I can access item x?
...
)
returns table
AS
return (
with tokens(p, a, b) AS (
select
cast(1 as bigint),
cast(1 as bigint),
charindex(@separator, @str)
union all
select
p + 1,
b + 1,
charindex(@separator, @str, b + 1)
from tokens
where b > 0
)
sele...
Tactics for using PHP in a high-load site
...gh to attain high server loads. Treat me as (sigh) an alien that has just landed on the planet, albeit one that knows PHP and a few optimisation techniques.
...