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Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...upported by Google. Kindly refer Google Developer Guide
From what I've read, seems like OkHTTP is the most robust of the 3
Retrofit uses OkHTTP automatically if available. There is a Gist from Jake Wharton that connects Volley to OkHTTP.
and could handle the requirements of this project (m...
Apache Spark: map vs mapPartitions?
...rtitions seems to be quite a bit faster -- I'm assuming this is because it reads the RDD only once. Even if the RDD is cached in RAM, that saves a lot of overhead from type conversion.
– Bob
Mar 27 '15 at 4:58
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Understanding the Event Loop
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1: If we are talking about a single-threaded application, then what processes setTimeouts while JS engine accepts more requests and executes them? Isn't that single thread will continue working on other requests? Then who is going to keep working on setTimeout wh...
Lock, mutex, semaphore… what's the difference?
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A lock allows only one thread to enter the part that's locked and the lock is not shared with any other processes.
A mutex is the same as a lock but it can be system wide (shared by multiple processes).
A semaphore does the same as a mutex but allo...
Sort JavaScript object by key
...eturning an assignment), but this one works for me and is easier for me to read: Object.keys(dict).sort().reduce((r, k) => Object.assign(r, { [k]: dict[k] }), {});
– aks.
Jun 22 '17 at 22:48
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In Firebase, is there a way to get the number of children of a node without loading all the node dat
...parent.child('upvotes_count').set(event.data.numChildren());
});
You can read the Documentation to know how to Get Started with Cloud Functions.
Also, another example of counting posts is here:
https://github.com/firebase/functions-samples/blob/master/child-count/functions/index.js
Update Januar...
Custom HTTP headers : naming conventions
...e is right, and his point solves the problem illustrated in this comment thread. In short, don't try to identify whether a header will "graduate" or not; instead determine if it's a private or public header (application-specific or "generic"/"global"). For private headers, optionally use X- to ensur...
Are there good reasons not to use an ORM? [closed]
...ORM is that the security model is a little less flexible.
EDIT: I just re-read your question and it looks they are copy and pasting the queries into inline sql. This makes the security model the same as an ORM, so there would be absolutely no advantage over this approach over an ORM. If they are ...
AngularJS : The correct way of binding to a service properties
...could just as easily be {{timer.lastUpdated}}, which I might argue is more readable (but let's not argue... I'm giving this point a neutral rating so you decide for yourself)
+1 It may be convenient that the controller acts as a sort of API for the markup such that if somehow the structure of the da...
CSS media queries: max-width OR max-height
.... It's been a good chance to learn myself! Take the time to systematically read though and I hope it will be helpful.
Media Queries
Media queries essentially are used in web design to create device- or situation-specific browsing experiences; this is done using the @media declaration within a pa...