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What is sharding and why is it important?
...s aggregator program is called MapReduce in big data terminology. In other words, Distributed Systems = Sharding + MapReduce (Although there are other things too).
A visual representation below.
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Code equivalent to the 'let' keyword in chained LINQ extension method calls
... LinqPad to see the generated code if you start with a Queryable. In other words, if you change your first line to var names = new string [] { "Dog", ... }.AsQueryable(); then run the whole thing in LinqPad, click the little lambda button, you will see generated code virtually identical to Marc's an...
Get underlying NSData from UIImage
...mat) but more likely a pixel array or some other internal format. In other words, UIImage(data: foo) will not retain foo.
If you just want to use it elsewhere in your program, the original UIImage will do fine (I presume that's not actually the case here)
If you want to serialise, UIImagePNGRepres...
Angularjs ng-model doesn't work inside ng-if
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Sensible is not the word I use.
– Jonathan Dumaine
Dec 11 '14 at 21:54
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List of special characters for SQL LIKE clause
...e characters.
WHERE title LIKE '%computer%' finds all book titles with the word 'computer' anywhere in the book title.
_ Any single character.
WHERE au_fname LIKE '_ean' finds all four-letter first names that end with ean (Dean, Sean, and so on).
[ ] Any single character within the specified rang...
How to use C++ in Go
In the new Go language, how do I call C++ code? In other words, how can I wrap my C++ classes and use them in Go?
12 Answ...
“git diff” does nothing
...ou made relative to the index (staging area for the next commit). In other words, the differences are what you could tell git to further add to the index but you still haven't.
See the documentation for more details. In particular, scroll down to the examples, and read this section:
$ git diff ...
What is “:-!!” in C code?
...efining what is a legal constant expression. C++11 added the constexpr keyword for just this type or thing, but no counterpart exists in C11. While C11 did get static assertions, which will solve part of this problem, it wont solve all of these shortcomings. So I hope that gcc can make a constexp...
Factory Pattern. When to use factory methods?
...Factory Method', which is just one of three 'Factory Patterns'. In another word, I see no comparison anywhere.
– Forethinker
Sep 7 '13 at 4:30
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Make a link use POST instead of GET
...e behavior and content, in this case javascript is the reference. In other words "when you click the link it will perform a postback using JavaScript". This has more meaning than binding a click event. Hard rules like "dont ever use javascript in href" are as bad as any other bad practice.
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