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Using Linq to group a list of objects into a new grouped list of list of objects
...alueCol into g
select new { Name = g.Key, KeyCols = g.ToList() };
or for array instead of list like below
var query =from m in wordList group m.KeyCol by m.ValueCol into g
select new { Name = g.Key, KeyCols = g.ToList().ToArray<string>() };
...
what is “strict mode” and how is it used?
...Arguments objects for strict mode functions do not dynamically share their array indexed property values with the corresponding formal parameter bindings of their functions. (10.6).
For strict mode functions, if an arguments object is created the binding of the local identifier arguments to the argu...
clang: how to list supported target architectures?
...bly find the output of llc -march=arm -mattr=help and boggling at the huge array of different ARM features to be more useful in your investigations.
Good luck with your research!
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Can you resolve an angularjs promise before you return it?
...
Here's how I typically do it if I want to actually cache data in array or object
app.factory('DataService', function($q, $http) {
var cache = {};
var service= {
getData: function(id, callback) {
var deffered = $q.defer();
if (cache[id]) {
deffer...
Is there any way in C# to override a class method with an extension method?
... sad, in C# so many misleading non-sense methods, like e.g. .ToString() in arrays. It is definitely a needed feature.
– Hi-Angel
Sep 2 '15 at 8:43
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JUnit confusion: use 'extends TestCase' or '@Test'?
... bit ugly. You have to subclass the Suite class and dynamically create the array of classes in the subclass and pass it to the Suite constructor, but this is an incomplete solution in that other subclasses of Suite (such as Categories) don't work with it and essentially do not support dynamic Test c...
Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
...nced great success with boost::thread (and boost in general) across a vast array of environments, compilers, threading models, etc. When its my choice, I choose boost.
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Animate change of view controllers without using navigation controller stack, subviews or modal cont
...our .h:
@interface NavigationController : UIViewController {
NSMutableArray *childViewControllers;
UIViewController *currentViewController;
}
- (void)transitionFromViewController:(UIViewController *)fromViewController toViewController:(UIViewController *)toViewController duration:(NSTimeIn...
Android Studio IDE: Break on Exception
...ur code often cause runtime classes to throw exceptions (e.g. accessing an array list past the end).
Enable Java Exception BreakPoints / Any exception for uncaught exceptions only.
Add a new Java Exception BreakPoint for the Exception (java.lang) class for caught and uncaught exceptions. Enable Co...
Using an ORM or plain SQL? [closed]
.../.Net at least has dynamic types--var--which is a lot nicer than an Object array);
There are an awful lot of "gotchas" when using ORMs. This includes unintended or unexpected behavior, the fact that you have to build in the capability to do SQL updates to your database (by using refresh() in JPA or...