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Best architectural approaches for building iOS networking applications (REST clients)
...h heavy pure functional patterns, category-theoretical approaches is a bad idea, because other developers will read and support your code, and they can be frustrated or scary of the prismatic profunctors and such kind of stuff in your immutable model. The same thing with the ReactiveCocoa: don't RAC...
What does .SD stand for in data.table in R
...ne or more columns.
This example is a tad contrived, but illustrates the idea; see here (1, 2) for more.
The goal is to add a column team_performance to the Pitching table that records the team's performance (rank) of the best pitcher on each team (as measured by the lowest ERA, among pitchers wi...
How to become an OpenCart guru? [closed]
...s an associative array
$result->rows contains an array of row results, ideal for looping over using foreach
$result->num_rows contains the number of results returned
There are also a few extra methods the $this->db object has
$this->db->escape() uses mysql_real_escape_string() on ...
How to determine CPU and memory consumption from inside a process?
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Any idea about getting CPU usage ?
– Mihir Mehta
May 20 '13 at 13:34
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How to get device make and model on iOS?
...
@AshishPisey No idea. It doesn’t seem to have changed in a while, and it feels like it won’t. Everyone is using this API though; I’m not aware of any other means...
– Nicolas Miari
Apr 12 '18 at 1...
What is the difference between trie and radix trie data structures?
...e), we could also compare each character of the search key. Following this idea, we can build a structure (as shown below) which has three existing keys – “dad”, “dab”, and ”cab”.
[root]
...// | \\...
| \
c d
| \
[*] [*...
What does the “yield” keyword do?
...
Compare function to the original definition.
This trick may give you an idea of the logic behind the function, but what actually happens with yield is significantly different than what happens in the list based approach. In many cases, the yield approach will be a lot more memory efficient and fa...
When should I use Arrow functions in ECMAScript 6?
...very internal callback, naming all the public functions is probably a good idea.
Function declarations are hoisted, (meaning they can be accessed before they are declared), which is a useful attribute in a static utility function.
Object constructors
Attempting to instantiate an arrow function t...
Schema for a multilanguage database
...mpletely breakes any kind of testing.
Method 2:
In a nutshell: "Great" idea (warning - sarcasm), let's combine the disadvantages of method 3 (slow speed when many entries) with the rather horrible disadvantages of method 1.
The only advantage of this method is that you keep all translation in o...
Fastest way to iterate over all the chars in a String
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Any idea why "for (int i = 0; i < data.length(); i++)" is faster than defining data.length() as a final local variable?
– skyin
Nov 3 '14 at 16:15
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