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Does name length impact performance in Redis?
...se are not really "variables" they are keys. For keys between 1 and 30 or 100, or even 255 characters there might not be any detectable performance impact. Create keys of a few kilobytes ... or up into the tens of kilobytes and I imagine you'd be able to measure a performance hit (at some point be...
What is the difference between public, private, and protected?
...er's Guide and Business Engineering with Object Teechnology. Both are only 100 pages, and each easy enough to read in an afternoon. Of course, there is Gamma et al's Design Patterns, though the basic approach can simply be described by 'subclass what you want to vary'.
– Patanj...
How to make a promise from setTimeout
... reject = null;
}
}
};
};
const l1 = later(100, "l1");
l1.promise
.then(msg => { console.log(msg); })
.catch(() => { console.log("l1 cancelled"); });
const l2 = later(200, "l2");
l2.promise
.then(msg => { console.log(msg); })
.catch(() => ...
What is the apply function in Scala?
...ly be accomplished using Implicits as well?
– jayunit100
Aug 15 '14 at 2:13
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How much overhead does SSL impose?
...14 connections per core per second if you foolishly used 4096-bit keys and 100 if you use 2048-bit keys). On subsequent connections, previous sessions are often reused, avoiding the expensive crypto.
So, to summarize:
Transfer on established connection:
Delay: nearly none
CPU: negligible
Bandwid...
Using Spring MVC Test to unit test multipart POST request
...
+100
Since MockMvcRequestBuilders#fileUpload is deprecated, you'll want to use MockMvcRequestBuilders#multipart(String, Object...) which ...
Why does Dijkstra's algorithm use decrease-key?
...ary heap as well: you'll get O(m + nlog(m/n)logn). Proof is here, pages 99/100. If the graph is dense (m >> n), both this one and the previous tend to O(m).
If you want to know what happens if you run them on real graphs, you could check this paper, as Mark Meketon suggested in his answer.
...
Is there a better way to express nested namespaces in C++ within the header
...(order of magnitude of) symbols in a namespace. say, 1 doesn't make sense, 100 sounds right, 10000 is clearly to much.
TL;DR: It's a tradeoff, and we don't have hard numbers. Play safe, don't overdo in any direction. The "Don't do that" comes merely from the "You have problems with that, I'd hav...
Rename MySQL database [duplicate]
...is easy, it is time and space consuming. What if the schema is more than a 100GB? There are methods where you can pipe the above commands together to save on space, however it will not save time.
To remedy such situations, there is another quick method to rename
schemas, however, some care mus...
What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon
...idering there's no overhead difference between a varchar(30) and a varchar(100) if you're only storing 20 characters in each, err on the side of caution and just make it 50.
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