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Android activity life cycle - what are all these methods for?
What is the life cycle of an Android activity? Why are so many similar sounding methods ( onCreate() , onStart() , onResume() ) called during initialization, and so many others ( onPause() , onStop() , onDestroy() ) called at the end?
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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...
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.
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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 ...
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...
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...
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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Understanding the Event Loop
I am thinking about it and this is what I came up with:
3 Answers
3
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