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When/Why to use Cascading in SQL Server?
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Find the min/max element of an Array in JavaScript
...lt-ins can cause collisions with other libraries (some see), so you may be more comfortable with just apply'ing Math.xxx() to your array directly:
var min = Math.min.apply(null, arr),
max = Math.max.apply(null, arr);
Alternately, assuming your browser supports ECMAScript 6, you can use the ...
What's the difference between an object initializer and a constructor?
...tion of objects when you're using an object.
Constructors run, given 0 or more parameters, and are used to create and initialize an object before the calling method gets the handle to the created object. For example:
MyObject myObjectInstance = new MyObject(param1, param2);
In this case, the co...
Using a piano keyboard as a computer keyboard [closed]
....com.
And for the other part, translating keyboard midi notes to keys and more, I would go for AutoItX, the ActiveX/COM and DLL interface to autoIt. Info and download, go to http://www.autoitscript.com/site/autoit/
No need to write keyboard driver.
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Scripting Language vs Programming Language [closed]
...vaScript is sometimes called a "scripting" language.
This line is getting more and more blurry since compilation can be so fast with modern hardware and modern compilation techniques. For instance, V8, the JavaScript engine in Google Chrome and used a lot outside of the browser as well, actually co...
What is the advantage of using heredoc in PHP? [closed]
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What is a “cache-friendly” code?
...vector are stored in contiguous memory, and as such accessing them is much more cache-friendly than accessing elements in a std::list, which stores its content all over the place. This is due to spatial locality.
A very nice illustration of this is given by Bjarne Stroustrup in this youtube clip (th...
What is the difference between sed and awk? [closed]
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awk is oriented toward delimited fields on a per-line basis. It has much more robust programming constructs including if/else, while, do/while and for (C-style and array iteration). There is complete support for variables and single-dimension associative arrays plus (IMO) kludgey multi-dimension a...
Is there a performance difference between i++ and ++i in C?
...ses through a toolchain that doesn't optimize it out your software will be more efficient. Considering it is just as easy to type ++i as it is to type i++, there is really no excuse to not be using ++i in the first place.
– monokrome
Jul 5 '12 at 17:45
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what is faster: in_array or isset? [closed]
...ng an array with values (10,000 in the test below), forcing in_array to do more searching.
isset: 0.009623
in_array: 1.738441
This builds on Jason's benchmark by filling in some random values and occasionally finding a value that exists in the array. All random, so beware that times will fluct...