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Way to go from recursion to iteration
...rder of the calls, you have to add them in the reverse order to the stack:
foo(first);
foo(second);
has to be replaced by
stack.push(second);
stack.push(first);
Edit: The article Stacks and Recursion Elimination (or Article Backup link) goes into more details on this subject.
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Access index of the parent ng-repeat from child ng-repeat
I want to use the index of the parent list (foos) as an argument to a function call in the child list (foos.bars).
6 Answer...
FirstOrDefault: Default value other than null
...FirstOrDefault().IfDefaultGiveMe(otherDefaultValue);
Again, this can't really tell if there was anything in your sequence, or if the first value was the default.
If you care about this, you could do something like
static class ExtensionsThatWillAppearOnIEnumerables
{
public static T FirstOr&...
Can you supply arguments to the map(&:method) syntax in Ruby?
...is in core - its a common pattern that could use some sugar ala .map(&:foo)
– Stephen
Feb 7 '17 at 22:07
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show 18 more comments
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How to do two-way filtering in AngularJS?
...ion? Isn't that just a generic controller for the directive that has basically nothing to do with the ngModel attribute? (Still learning angular here so I could be totally wrong.)
– Drew Miller
Dec 17 '12 at 1:52
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JavaScript: Class.method vs. Class.prototype.method
... are extending the constructor function prototype, it will be available to all the object instances created with the new keyword, and the context within that function (the this keyword) will refer to the actual object instance where you call it.
Consider this example:
// constructor function
funct...
Read-only list or unmodifiable list in .NET 4.0
...that's not a List, it's a Collection. So if you use it, you need to modify all your code to use Collection instead of List.
– Roman Zabicki
May 25 '16 at 13:50
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Load “Vanilla” Javascript Libraries into Node.js
... have some functionality I would like to use in a Node.js server. (Specifically I want to use a QuadTree javascript library that I found.) But these libraries are just straightforward .js files and not "Node.js libraries".
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Are the days of passing const std::string & as a parameter over?
...he said is because of cases like this.
Let's say I have function A which calls function B, which calls function C. And A passes a string through B and into C. A does not know or care about C; all A knows about is B. That is, C is an implementation detail of B.
Let's say that A is defined as follow...
How to convert variable (object) name into String [duplicate]
I have the following data frame with variable name "foo" ;
1 Answer
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