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How to get CSS to select ID that begins with a string (not in Javascript)?
... $ mean "start of string" and "end of string" respectively.
See the specs for full information.
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How to prevent custom views from losing state across screen orientation changes
I've successfully implemented onRetainNonConfigurationInstance() for my main Activity to save and restore certain critical components across screen orientation changes.
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NullPointerException accessing views in onCreate()
This is a canonical question for a problem frequently posted on StackOverflow.
13 Answers
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Why does Haskell's “do nothing” function, id, consume tons of memory?
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We know the type of id,
id :: a -> a
And when we specialize this for id id, the left copy of id has type:
id :: (a -> a) -> (a -> a)
And then when you specialize this again for the leftmost id in id id id, you get:
id :: ((a -> a) -> (a -> a)) -> ((a -> a) ->...
JavaScript and Threads
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See http://caniuse.com/#search=worker for the most up-to-date support info.
The following was the state of support circa 2009.
The words you want to google for are JavaScript Worker Threads
Apart from from Gears there's nothing available right now, but there...
ssh “permissions are too open” error
...m the manpage (man ssh)
~/.ssh/id_rsa
Contains the private key for authentication. These files contain sensitive
data and should be readable by the user but not
accessible by others (read/write/execute). ssh will simply ignore a private
key file if it is ...
How do I iterate over an NSArray?
I'm looking for the standard idiom to iterate over an NSArray. My code needs to be suitable for OS X 10.4+.
8 Answers
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Check if table exists in SQL Server
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For queries like this it is always best to use an INFORMATION_SCHEMA view. These views are (mostly) standard across many different databases and rarely change from version to version.
To check if a table exists use:
IF (EX...
SQL select join: is it possible to prefix all columns as 'prefix.*'?
...ssible situations here. First, you want to know if there is a SQL standard for this, that you can use in general regardless of the database. No, there is not. Second, you want to know with regard to a specific dbms product. Then you need to identify it. But I imagine the most likely answer is that y...
How to put more than 1000 values into an Oracle IN clause [duplicate]
... JOIN to query the values. I don't know whether that's actually better performance or not, though.
– Neil Barnwell
Dec 30 '08 at 14:17
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