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Convert tuple to list and back
...st block to convert the tuple t to a list by passing t to list(), I get an error message: "*** Error in argument: '(t)'" This seems to happen to me only while debugging. Still confused.
– Jimmy
Aug 28 '18 at 19:30
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Vim users, where do you rest your right hand? [closed]
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answered Jul 14 '11 at 19:05
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When to use lambda, when to use Proc.new?
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As of Ruby 2.5, break from Procs raises LocalJumpError, whereas break from lambdas behaves just like return (i.e., return nil).
– Masa Sakano
Oct 16 '18 at 20:35
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htaccess Access-Control-Allow-Origin
...r set Access-Control-Allow-Origin "*" in your config, then it should throw error during start if mod_headers is not active.
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Initialize a long in Java
...ormed.
Try this
byte a = 1; // declare a byte
a = a*2; // you will get error here
You get error because 2 is by default int.
Hence you are trying to multiply byte with int.
Hence result gets typecasted to int which can't be assigned back to byte.
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Python: Making a beep noise
...'re using Python 3, don't forget to use parentheses or you'll get a syntax error. Use print('\a')
– ZorroDeLaArena
Mar 27 '15 at 19:38
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How to empty a list?
...t mistake.
– aafulei
Sep 6 '19 at 2:05
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How to parse JSON in Scala using standard Scala classes?
...answer, it led me down the right path. However, it isn't great at handling error conditions. If the desired node does not exist, you get a cast exception. I've adapted this slightly to make use of Option to better handle this.
class CC[T] {
def unapply(a:Option[Any]):Option[T] = if (a.isEmpty) {
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ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
Why am I getting this database error when I update a table?
14 Answers
14
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Circular list iterator in Python
...ions!
– Jacob Krall
May 1 '14 at 21:05
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pool.next() didn't work for me, only next(pool). Probabl...