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What is the difference between the template method and the strategy patterns?
...voke the algorithm.
class ConcreteAlgorithm : AbstractTemplate
{
void DoAlgorithm(int datum) {...}
}
class AbstractTemplate
{
void run(int datum) { DoAlgorithm(datum); }
virtual void DoAlgorithm() = 0; // abstract
}
In contrast, the Strategy pattern allows an algorithm to be chosen ...
How do I write a “tab” in Python?
Let's say I have a file. How do I write "hello" TAB "alex"?
6 Answers
6
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Redis is single-threaded, then how does it do concurrent I/O?
...g an I/O (de)multiplexing mechanism and an event loop (which is what Redis does).
Parallelism has a cost: with the multiple sockets/multiple cores you can find on modern hardware, synchronization between threads is extremely expensive. On the other hand, the bottleneck of an efficient storage engin...
How do I convert a Java 8 IntStream to a List?
I'm looking at the docs for the IntStream , and I see an toArray method, but no way to go directly to a List<Integer>
...
Add a prefix to all Flask routes
... now I add a constant to the route at every definition. Is there a way to do this automatically?
10 Answers
...
How to print out a variable in makefile
... painful detail:
It expands $(info $$var is [${var}])echo Hello world
To do this it first expands $(info $$var is [${var}])
$$ becomes literal $
${var} becomes :-) (say)
The side effect is that $var is [:-)] appears on standard out
The expansion of the $(info...) though is empty
Make is left wi...
How can I delay a method call for 1 second?
...
performSelector:withObject:afterDelay:
Document Reference
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How do I get the time of day in javascript/Node.js?
...
Link to MDN: developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…. Don't link to that "W3C Schools" fake garbage
– Max
Mar 12 '19 at 12:04
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Is it possible to “await yield return DoSomethingAsync()”
...s into a simple one-liner. What happens is that each individual url begins downloading and then WhenAll is used combine those operations into a single Task which can be awaited.
Task<IEnumerable<string>> DownLoadAllUrls(string[] urls)
{
return Task.WhenAll(from url in urls select Do...
File Upload using AngularJS
...our controller define 'add' method:
$scope.add = function() {
var f = document.getElementById('file').files[0],
r = new FileReader();
r.onloadend = function(e) {
var data = e.target.result;
//send your binary data via $http or $resource or do anything else with it
}...