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Java 8 Streams - collect vs reduce
...t argument to the operator is the return value of the previous application and the second argument is the current stream element.
collect is an aggregation operation where a "collection" is created and each element is "added" to that collection. Collections in different parts of the stream are then...
Is there a built-in method to compare collections?
...tents of a couple of collections in my Equals method. I have a Dictionary and an IList. Is there a built-in method to do this?
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Should I use a data.frame or a matrix?
When should one use a data.frame , and when is it better to use a matrix ?
6 Answers
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How to get ELMAH to work with ASP.NET MVC [HandleError] attribute?
...LMAH to log errors in my ASP.NET MVC application, however when I use the [HandleError] attribute on my controllers ELMAH doesn't log any errors when they occur.
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Rounding up to next power of 2
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This thread is still well referenced but this answer (and most others) are highly outdated. CPUs have an instruction to help this (actually already at that time?). From : jameshfisher.com/2018/03/30/round-up-power-2.html uint64_t next_pow2(uint64_t x) { return x == 1 ? 1 : 1<...
how to disable DIV element and everything inside [duplicate]
I need to disable a DIV and all it's content using Javascript. I can swear that doing a simple
5 Answers
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Injecting $scope into an angular service function()
... inheriting from a parent scope). The root of all scopes is the $rootScope and you can create a new child-scope using the $new() method of any scope (including the $rootScope).
The purpose of a Scope is to "glue together" the presentation and the business logic of your app. It does not make much s...
Best practices to test protected methods with PHPUnit
...If you're using PHP5 (>= 5.3.2) with PHPUnit, you can test your private and protected methods by using reflection to set them to be public prior to running your tests:
protected static function getMethod($name) {
$class = new ReflectionClass('MyClass');
$method = $class->getMethod($name);...
Best way to stress test a website [duplicate]
...ar pages? Or is the best thing to use a profiler to track a single request and then work out from that if the performance is ok?
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What exactly does @synthesize do?
...mory storage that belongs to an instance of the class defined in example.h and example.m. mapView is the name of a property. Properties are attributes of an object that can be read or set using the dot notation: myObject.mapView. A property doesn't have to be based on an ivar, but most properties ar...