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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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How do you run your own code alongside Tkinter's event loop?
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The solution posted by Bjorn results in a "RuntimeError: Calling Tcl from different appartment" message on my computer (RedHat Enterprise 5, python 2.6.1). Bjorn might not have gotten this message, since, according to one place I checked, mishandling threading with Tkinter ...
Indenting #defines
...efined (pic18f2580)
# define FLASH_MEMORY_END 0x7DC0
# else
# error "Can't set up flash memory end!"
# endif
# else
# if defined (pic18f2480)
# define FLASH_MEMORY_END 0x4000
# elif defined (pic18f2580)
# define FLASH_MEMORY_END 0x8000
# else
# error "Can't ...
Python: finding an element in a list [duplicate]
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But this code gives error when element is not in the list.In current example context if I search for 'three' (i.e: li.index('three')) gives error.
– Kedar.Aitawdekar
May 28 '14 at 7:31
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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
alternativealternative
11.8k55 gold badges3737 silver badges4141 bronze badges
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Create a pointer to two-dimensional array
...e is how they do
uint8_t (*matrix_ptr)[][20] = l_matrix;
If you fix the error and add the address-of operator & like in the following snippet
uint8_t (*matrix_ptr)[][20] = &l_matrix;
Then that one creates a pointer to an incomplete array type of elements of type array of 20 uint8_t. Be...
How to empty a list?
...t mistake.
– aafulei
Sep 6 '19 at 2:05
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Circular list iterator in Python
...ions!
– Jacob Krall
May 1 '14 at 21:05
5
pool.next() didn't work for me, only next(pool). Probabl...
How to declare constant map
I am trying to declare to constant in Go, but it is throwing an error. Could anyone please help me with the syntax of declaring a constant in Go?
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Add up a column of numbers at the Unix shell
...:-)
– Greg Reynolds
Jun 1 '09 at 10:05
2
One bracket too much in @dmckee's answer :)
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