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How does Python's super() work with multiple inheritance?
...g the super() function (new style classes) especially when it comes to multiple inheritance.
16 Answers
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HTML+CSS: How to force div contents to stay in one line?
...
Your HTML code:
<div>Stack Overflow is the BEST !!!</div>
CSS:
div {
width: 100px;
white-space:nowrap;
overflow:hidden;
text-overflow:ellipsis;
}
Now the result should be:
Stack Overf...
...
Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
...t method of any object should format is correctly for display, just do..
<%= theobject.inspect %>
The .methods method may also be of use:
<%= theobject.methods.inspect %>
It may help to put that in <pre> tags, depending on the data
...
Android: Difference between Parcelable and Serializable?
...able {
private String name;
private int age;
public ArrayList<String> address;
public MyObjects(String name, int age, ArrayList<String> address) {
super();
this.name = name;
this.age = age;
this.address = address;
}
public ArrayL...
How to check if object (variable) is defined in R?
...sts():
R> exists("somethingUnknown")
[1] FALSE
R> somethingUnknown <- 42
R> exists("somethingUnknown")
[1] TRUE
R>
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Truncate number to two decimal places without rounding
...).match(/^-?\d+(?:\.\d{0,2})?/)[0]
rounded.value = with2Decimals
}
<form onsubmit="return calc(this)">
Original number: <input name="original" type="text" onkeyup="calc(form)" onchange="calc(form)" />
<br />"Rounded" number: <input name="rounded" type="text" placeholder...
How can I discover the “path” of an embedded resource?
...one-liners that I need in a little class:
public class Utility
{
/// <summary>
/// Takes the full name of a resource and loads it in to a stream.
/// </summary>
/// <param name="resourceName">Assuming an embedded resource is a file
/// called info.png and is lo...
Transposing a 2D-array in JavaScript
...ach element in an array, in order, and constructs a new array from the results. callback is invoked only for indexes of the array which have assigned values; it is not invoked for indexes which have been deleted or which have never been assigned values.
callback is invoked with three arguments:...
Is it correct to use alt tag for an anchor link?
Is it correct to use alt tag for an anchor link, something like
7 Answers
7
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What is Rack middleware?
...
Rack as Design
Rack middleware is more than "a way to filter a request and response" - it's an implementation of the pipeline design pattern for web servers using Rack.
It very cleanly separates out the different stages of processing a request - separation of concerns being a ke...