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Is it better in C++ to pass by value or pass by constant reference?
... etc...) or expensive to copy. In that paper, there is one other rule. The idea is that sometimes one wants to make a copy (in case the argument can't be modified), and sometimes one doesn't want (in case one wants to use the argument itself in the function if the argument was a temporary anyway, fo...
Why doesn't Dijkstra's algorithm work for negative weight edges?
...inimal, and thus the node that will next be selected is also minimal.
The idea of it is: If we have a vertex in open such that its cost is minimal - by adding any positive number to any vertex - the minimality will never change.
Without the constraint on positive numbers - the above assumption is n...
What is the difference between Amazon SNS and Amazon SQS?
...ld spin up reading less than the 10 messages in the batch, but you get the idea). If you posted these same 100 messages to SNS, however, 100 Lambda functions would spin up, unnecessarily increasing costs and using up your Lambda concurrency.
However, if you are still running traditional servers (lik...
Performance of Arrays vs. Lists
... each test (chk1, chk2, chk3, chk4). List/for=1303ms, Array/for=433ms. Any ideas why?
– Jon
Dec 30 '13 at 6:25
4
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UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?
...e the view - possibly resulting a short freeze of your app. It may be good idea to first show the user an unpopulated view with an activity indicator of some sort. When you are done with your networking, which may take a second or two (or may even fail - who knows?), you can populate the view with y...
Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...use with _mm256_rsqrt_ps, with Haswell perf analysis. Usually only a good idea if you don't have other work in the loop and would bottleneck hard on divider throughput. HW sqrt is single uop so is ok mixed with other work.
– Peter Cordes
Dec 5 '19 at 3:21
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Plugin execution not covered by lifecycle configuration (JBossas 7 EAR archetype)
...pon saving each source file. Or maybe you do want that. Really, m2e has no idea about your specific build. You can store what m2e should do in Eclipse, POM, or possibly install a m2e connector that adds more knowledge to m2e to handle the build step. These are the options that you should be seeing. ...
How to post pictures to instagram using API
...r android and iOS) to upload picture using php. Kindly give me any sort of idea if there is any possibility.
9 Answers
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AngularJS ng-click stopPropagation
...available in the controller code - $scope.$event did not seem to work. Any ideas?
– user1338062
Feb 21 '14 at 10:57
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Color in git-log
... "refs/heads/..." or "refs/remotes...". The colors show up either way. Any idea what would cause this? The reason I ask is my .gitconfig does not show any color properties. I'm wondering where i can find my "color.decorate" property. I don't see it in my .gitconfig file.
– J Wo...