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After array_filter(), how can I reset the keys to go in numerical order starting at 0
...ray_filter to remove entries that had only the value '' from an array, and now I want to apply certain transformations on it depending on the placeholder starting from 0, but unfortunately it still retains the original index. I looked for a while and couldn't see anything, perhaps I just missed the...
Do copyright dates need to be updated? [closed]
Every now and then I see a web site that has an old copyright date. In my mind, I always think "Look at the sucker who forgot to update his copyright year!" Then, while I was hard-coding a copyright year into the site I'm currently designing, it suddenly struck me:
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How can I load storyboard programmatically from class?
... storyboard programmatically. Project was started developing with xib, and now it's very hard to nest all xib files in storyboard. So I was looking a way to do it in code, like with alloc, init, push for viewControllers. In my case I have only one controller in storyboard: UITableViewController ,...
Android - startActivityForResult immediately triggering onActivityResult
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I know this is old, but this was so absolutely invaluable to me that I wanted to say thanks to the user, and point out for anyone jumping between activities that this is freaking gold! Saved my ass during a hackathon ;)
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Accessing Session Using ASP.NET Web API
...n.GetString("keyname");
return Ok(sessionData);
}
you should now be able to hit:
http://localhost:1234/api/session/set/thisissomedata
and then going to this URL will pull it out:
http://localhost:1234/api/session/get
Plenty more info on accessing session data within dot net core ...
Cross-reference (named anchor) in markdown
...XHTML, so I originally used id=, which everyone recognises. However, HTML5 now creates a global variable in JavaScript when using id=, and this may not necessarily be what you want. So, using name= is now likely to be more friendly.
(Thanks to Slipp Douglas for explaining XHTML to me, and nailer fo...
How does collections.defaultdict work?
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How do we know what is the default value for each type? 0 for int() and [] for list() are intuitive, but there can also be more complex or self-defined types.
– Sean
Mar 11 at 10:40
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Understanding FFT output
... as sqrt (real * real + imag * imag). This number will always be positive. Now all you have to search is for the maximum value (ignore the first entry in your array. That is your DC offset and carries no frequency dependent information).
You get 32 real and 32 imaginary outputs because you are usin...
Working with $scope.$emit and $scope.$on
...it -- dispatches the event upwards through the scope hierarchy.
I don't know anything about your controllers (scopes) relation, but there are several options:
If scope of firstCtrl is parent of the secondCtrl scope, your code should
work by replacing $emit by $broadcast in firstCtrl:
function f...
Order data frame rows according to vector with specific order
...the *_join functions in dplyr are really nice. End up using these a lot by now as well
– Rappster
Jun 24 '16 at 9:21
I...