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Regex Named Groups in Java
...> TEST
matcher.name(1) ==> login
Replace
matcher.replaceAll("aaaaa_$1_sssss_$2____") ==> aaaaa_TEST_sssss_123____
matcher.replaceAll("aaaaa_${login}_sssss_${id}____") ==> aaaaa_TEST_sssss_123____
(extract from the implementation)
public final class Pattern
implements java.io...
Can someone explain the traverse function in Haskell?
...
traverse is the same as fmap, except that it also allows you to run effects while you're rebuilding the data structure.
Take a look at the example from the Data.Traversable documentation.
data Tree a = Empty | Leaf a | Node (Tree a) a (Tree a)
The Functor instance of Tr...
Why doesn't nodelist have forEach?
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NodeList now has forEach() in all major browsers
See nodeList forEach() on MDN.
Original answer
None of these answers explain why NodeList doesn't inherit from Array, thus allowing it to have forEach and all the rest.
The answer is found on this es-discus...
What is the point of function pointers?
...nction pointers. I guess it may be useful in some cases (they exist, after all), but I can't think of a case where it's better or unavoidable to use a function pointer.
...
LEFT JOIN only first row
... Thanks for your fast response. This was not the exact answer, but totally got me on the right way. I always tried to join both on the same level instead of making the one depended from the other. Thank you very much for leading me on the right track. Edited the first post
...
What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
...s paired with a case of a regular single ellipsis.
template<typename _Res, typename... _ArgTypes>
struct _Weak_result_type_impl<_Res(_ArgTypes...)>
{ typedef _Res result_type; };
template<typename _Res, typename... _ArgTypes>
struct _Weak_result_type_impl<_Res(...
Map over object preserving keys
...
With Underscore
Underscore provides a function _.mapObject to map the values and preserve the keys.
_.mapObject({ one: 1, two: 2, three: 3 }, function (v) { return v * 3; });
// => { one: 3, two: 6, three: 9 }
DEMO
With Lodash
Lodash provides a function _.mapVa...
Attach a file from MemoryStream to a MailMessage in C#
...
writer.Disopose() was too early for my solution but all the other is great example.
– Kazimierz Jawor
Aug 4 '15 at 13:10
...
When creating a service with sc.exe how to pass in context parameters?
...ce as well as setting the start setting to auto so that it starts automatically. You can do this by specifying DisplayName= yourdisplayname and start= auto in your create statement.
Here is an example:
C:\Documents and Settings\Administrator> sc create asperacentral
binPath= "C:\Program Files\...
“android.view.WindowManager$BadTokenException: Unable to add window” on buider.show()
...tion: Unable to add window"
Problem :
This exception occurs when the app is trying to notify the user from
the background thread (AsyncTask) by opening a Dialog.
If you are trying to modify the UI from background thread (usually
from onPostExecute() of AsyncTask) and if the activity ...