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How to loop through all enum values in C#? [duplicate]
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You can cast the array directly: (T[])Enum.GetValues(typeof(T))
– Şafak Gür
Nov 22 '12 at 9:51
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How to check for a JSON response using RSpec?
...st, thanks a lot. A small correction: JSON.parse(response.body) returns an array. ['foo'] however searches for a key in a hash value. The corrected one is parsed_body[0]['foo'].
– CanCeylan
Dec 26 '12 at 15:27
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Why should I care that Java doesn't have reified generics?
...ys be unsafe without reified generics:
List<String> myFriends = new ArrayList();
myFriends.add("Alice");
getSession().put("friends", myFriends);
// later, elsewhere
List<Friend> myFriends = (List<Friend>) getSession().get("friends");
myFriends.add(new Friend("Bob")); // works like...
Why is the minimalist, example Haskell quicksort not a “true” quicksort?
...ort C code into Haskell. Brace yourself.
import Control.Monad
import Data.Array.IO
import Data.IORef
qsort :: IOUArray Int Int -> Int -> Int -> IO ()
qsort a lo hi = do
(h,l,p,t) <- liftM4 (,,,) z z z z
when (lo < hi) $ do
l .= lo
h .= hi
p .=. (a!hi)
doWhile (...
How to express a NOT IN query with ActiveRecord/Rails?
...t(title: ['Rails 3', 'Rails 5'])
Rails 3:
Topic.where('id NOT IN (?)', Array.wrap(actions))
Where actions is an array with: [1,2,3,4,5]
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fo...
How do I print the full value of a long string in gdb?
...print elements number-of-elements
Set a limit on how many elements of an array GDB will print. If GDB is printing a large array, it stops printing after it has printed the number of elements set by the set print elements command. This limit also applies to the display of strings. When GDB starts, ...
JavaScript data grid for millions of rows [closed]
...ut I made a few changes to make grid independent of the length of the data array. It's a kludge, but I have the responses populating a bigdata array, and the smaller data pulls from the bigdata array. The rest of the program uses the smaller data array, except for the scroll-bar measurement and a fe...
How to set default value for form field in Symfony2?
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Can be use during the creation easily with :
->add('myfield', 'text', array(
'label' => 'Field',
'empty_data' => 'Default value'
))
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PostgreSQL wildcard LIKE for any of a list of words
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Another option is to use ANY:
select * from table where value like any (array['%foo%', '%bar%', '%baz%']);
select * from table where value ilike any (array['%foo%', '%bar%', '%baz%']);
You can use ANY with any operator that yields a boolean. I suspect that the regex options would be quicker but...
Convert hex string to int
... @AnumSheraz you don't want to convert to a long but to a byte array. See for example stackoverflow.com/questions/140131/…
– Denys Séguret
May 25 '18 at 11:35
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