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iPhone OS: How do I create an NSDate for a specific date?
...TimeZone setDateFormat:@"MMM dd, yyyy"];
NSDate *theDate = nil;
NSError *error = nil;
if (![rfc3339TimestampFormatterWithTimeZone getObjectValue:&theDate forString:dateString range:nil error:&error]) {
NSLog(@"Date '%@' could not be parsed: %@", dateString, error);
}...
How to set the width of a cell in a UITableView in grouped style
I have been working on this for about 2 days, so i thought i share my learnings with you.
7 Answers
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Sorting object property by values
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edited Jul 5 '18 at 7:05
Mohideen bin Mohammed
12.9k66 gold badges7676 silver badges8787 bronze badges
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Remove rows with all or some NAs (missing values) in data.frame
... that?
– Joris Meys
Oct 1 '12 at 12:05
4
Is there a simple negation of complete.cases? If I wante...
Swift class introspection & generics
...ft class I tried...
class MyClass {
}
let MyClassRef = MyClass.self
// ERROR :(
let my_obj = MyClassRef()
Hmm… the error says:
Playground execution failed: error: :16:1: error: constructing an object of class type 'X' with a metatype value requires an '@required' initializer
Y().me()
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Rails has_many with alias name
In my User model I could have:
5 Answers
5
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PostgreSQL: How to pass parameters from command line?
...11-12'" -c 'select * from table_1 where id = :v1;' will generate a syntax error. However, if bash is your shell, you might try: psql -v v1=12 -v v2="'Hello World'" -v v3="'2010-11-12'" <<< 'select * from table_1 where id = :v1;' to good effect.
– malcook
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What differences, if any, between C++03 and C++11 can be detected at run-time?
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This returns true for MSVC 2005 onwards, and a compile error in MSVC 2003.
– Anthony Williams
Jun 24 '11 at 20:20
1
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Rails: FATAL - Peer authentication failed for user (PG::Error)
... host: localhost and pool: 5 was missing in my config. After adding them, error disappeared.
– Amit Patel
Aug 30 '12 at 6:49
21
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