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Animate change of view controllers without using navigation controller stack, subviews or modal cont
...a simple container class I called TransitionController. You can find it at https://gist.github.com/1394947.
As an aside, I prefer the implementation in a separate class b/c it's easier to reuse. If you don't want that, you could simply implement the same logic directly in your app delegate eliminat...
Javascript reduce on array of objects
...2,3].reduce(callback,0)
Read more on the functional programming spec here: https://github.com/fantasyland/fantasy-land#foldable
Some more background
The reduce method takes two parameters,
Array.prototype.reduce( callback, initialItem )
The callback function takes the following parameters
(accumula...
How to create a remote Git repository from a local one?
...— all data
transfer is encrypted and authenticated. Last, like the HTTPS, Git and
Local protocols, SSH is efficient, making the data as compact as
possible before transferring it.
The Cons
The negative aspect of SSH is that it doesn’t support anonymous access
to your Git repo...
JOIN queries vs multiple queries
...d networking resources (between SQL server and your code server).
Source: https://dev.mysql.com/doc/refman/8.0/en/nested-join-optimization.html ; https://dev.mysql.com/doc/workbench/en/wb-relationship-tools.html
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Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
...o 2013: javascript:void(0) violates Content Security Policy on CSP-enabled HTTPS pages. One option would be then to use href='#' and event.preventDefault() in the handler, but I don't like this much. Perhaps you can establish a convention to use href='#void' and make sure no element on the page has ...
How to call asynchronous method from synchronous method in C#?
...read) that has comments to indicate that it is MIT Licensed by Microsoft. https://github.com/aspnet/AspNetIdentity/blob/master/src/Microsoft.AspNet.Identity.Core/AsyncHelper.cs
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Should IBOutlets be strong or weak under ARC?
...rong should be the default and that the developer docs are being updated.
https://twitter.com/_danielhall/status/620716996326350848
https://twitter.com/_danielhall/status/620717252216623104
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What does the function then() mean in JavaScript?
...g callback functions on the promise object.
Deferred objects in Jquery : https://api.jquery.com/jquery.deferred/
Deferred objects in AngularJs : https://docs.angularjs.org/api/ng/service/$q
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Error: could not find function … in R
...een added to R on that function's help page (e.g. ?hasName). E.g. neither https://www.rdocumentation.org/packages/utils/versions/3.4.3/topics/hasName nor https://stat.ethz.ch/R-manual/R-devel/library/utils/html/hasName.html say "introduced in R 3.4.0" I ended up figuring it out by browsing through...
Securely storing environment variables in GAE with app.yaml
...astore values in the App Engine console and set them. Here is how:
Go to https://console.cloud.google.com/datastore/
Select your project at the top of the page if it's not already selected.
In the Kind dropdown box, select Settings.
If you ran the code above, your keys will show up. They will all ...