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SQL Server Regular expressions in T-SQL
...ry written in T-SQL (no CLR, no extended SP , pure T-SQL) for SQL Server, and that should work with shared hosting?
6 Answ...
Print number of keys in Redis
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You can issue the INFO command, which returns information and statistics about the server. See here for an example output.
As mentioned in the comments by mVChr, you can use info keyspace directly on the redis-cli.
redis> INFO
# Server
redis_version...
Paging UICollectionView by cells, not screen
I have UICollectionView with horizontal scrolling and there are always 2 cells side-by-side per the entire screen. I need the scrolling to stop at the begining of a cell. With paging enabled, the collection view scrolls the whole page, which is 2 cells at once, and then it stops.
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When should I write the keyword 'inline' for a function/method?
... unit but don't complain if it isn't defined. The linker will sort it out and make sure all the code that tried to use some extern symbol has its address.
inline - this function will be defined in multiple translation units, don't worry about it. The linker needs to make sure all translation units...
How to list out all the subviews in a uiviewcontroller in iOS?
... +1 Apple recommends this approach (per WWDC 2013's Hidden Gems in Cocoa and Cocoa Touch session, tip #5).
– Slipp D. Thompson
Oct 6 '13 at 0:52
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Writing handler for UIAlertAction
I'm presenting a UIAlertView to the user and I can't figure out how to write the handler. This is my attempt:
9 Answers
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Print string to text file
...ext_file.write("Purchase Amount: {0}".format(TotalAmount))
For python2.7 and higher you can use {} instead of {0}
In Python3, there is an optional file parameter to the print function
with open("Output.txt", "w") as text_file:
print("Purchase Amount: {}".format(TotalAmount), file=text_file)
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What are valid values for the id attribute in HTML?
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For HTML 4, the answer is technically:
ID and NAME tokens must begin with a letter ([A-Za-z]) and may be followed by any number of letters, digits ([0-9]), hyphens ("-"), underscores ("_"), colons (":"), and periods (".").
HTML 5 is even more permissive, saying onl...
Ask for User Permission to Receive UILocalNotifications in iOS 8
...ion to show notifications from your app, this applies for both remote/push and local notifications. In Swift you can do it like this,
Update for Swift 2.0
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: NSDictionary?) -> Bool {
// Override point for...
How do I determine the target architecture of static library (.a) on Mac OS X?
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Another option is lipo; its output is brief and more readable than otool's.
An example:
% lipo -info /usr/lib/libiodbc.a
Architectures in the fat file: /usr/lib/libiodbc.a are: x86_64 i386 ppc
% lipo -info libnonfatarchive.a
input file libnonfatarchive.a is not a fa...