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Haskell export current module with additional imported module
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Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
...nexistent file or null pointer, regardless of whether those situations are common, and without considering the performance cost.
– LarsH
Apr 19 '13 at 18:37
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How is attr_accessible used in Rails 4?
...x 'attr_accessible' is extracted out of Rails into a gem. Please use new recommended protection model for params(strong_parameters) or add 'protected_attributes' to your Gemfile to use old one.
– user
Sep 24 '13 at 20:16
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What should I use Android AccountManager for?
...re data across applications
Note: there are other methods of inter-process communication on Android.
ContentProvider schedules the database access in a background thread The AsyncQueryHanlder helps to query the ContentProvider in a background thread, preventing Application Not Responsive (ANR) error...
TFS checkin error - could not find file
...rectly from the file system, then attempt to check in the changes, it will complain that it could not find the file(s).
To remove these changes from the list, you can open Source Control Explorer (View > Other Windows > Source Control Explorer) and either Delete the nonexistent files or right...
How to create a JavaScript callback for knowing when an image is loaded?
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.complete + callback
This is a standards compliant method without extra dependencies, and waits no longer than necessary:
var img = document.querySelector('img')
function loaded() {
alert('loaded')
}
if (img.complete) {
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Multiline strings in VB.NET
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edited Jun 20 at 9:12
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111 silver badge
answered Nov 4 '09 at 15:14
Vincenzo AlcamoVince...
C++ template typedef
... @StackedCrooked: Depends on his goals. I avoid inheritance when composition will do (and yeah, inheriting constructors will make both of these easier), but I also avoid composition when a typedef will do.
– GManNickG
Aug 24 '12 at 14:34
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Can someone explain the HTML5 aria-* attribute?
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What happens if you call erase() on a map element while iterating from begin to end?
... edited May 23 '17 at 11:54
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111 silver badge
answered Nov 5 '08 at 0:09
Martin YorkMartin Yor...