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What does enctype='multipart/form-data' mean?
...n some way.
HTML forms provide three methods of encoding.
application/x-www-form-urlencoded (the default)
multipart/form-data
text/plain
Work was being done on adding application/json, but that has been abandoned.
(Other encodings are possible with HTTP requests generated using other means t...
How to check type of variable in Java?
...ned values of that type (or values that are sub-types of that type).
The examples you gave (int, array, double) these are all primitives, and there are no sub-types of them. Thus, if you declare a variable to be an int:
int x;
You can be sure it will only ever hold int values.
If you declared ...
Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
...uctive one destroys something, but not in the way you may think now.
For example, the function
Function<Integer,Integer> f = (x,y) -> x + y
is a constructive one.
As you need to construct something. In the example
you constructed the tuple (x,y). Constructive functions have the prob...
EditorFor() and html properties
...
In MVC3, you can set width as follows:
@Html.TextBoxFor(c => c.PropertyName, new { style = "width: 500px;" })
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How to convert a string to number in TypeScript?
...
Exactly like in JavaScript, you can use the parseInt or parseFloat functions, or simply use the unary + operator:
var x = "32";
var y: number = +x;
All of the mentioned techniques will have correct typing and will correctly...
Getting mouse position in c#
...[StructLayout(LayoutKind.Sequential)]
public struct POINT
{
public int X;
public int Y;
public static implicit operator Point(POINT point)
{
return new Point(point.X, point.Y);
}
}
/// <summary>
/// Retrieves the cursor's position, in screen coordinates.
/// </...
What Automatic Resource Management alternatives exist for Scala?
I have seen many examples of ARM (automatic resource management) on the web for Scala. It seems to be a rite-of-passage to write one, though most look pretty much like one another. I did see a pretty cool example using continuations, though.
...
When should I use Arrow functions in ECMAScript 6?
...estion is directed at people who have thought about code style in the context of the upcoming ECMAScript 6 (Harmony) and who have already worked with the language.
...
What are best practices for validating email addresses on iOS 2.0
...
The answer to Using a regular expression to validate an email address explains in great detail that the grammar specified in RFC 5322 is too complicated for primitive regular expressions.
I recommend a real parser approach like MKEmailAddress.
As quick r...
How to get a vertical geom_vline to an x-axis of class date?
Even though I found Hadley's post in the google group on POSIXct and geom_vline , I could not get it done. I have a time series from and would like to draw a vertical line for years 1998, 2005 and 2010 for example. I tried with ggplot and qplot syntax, but still I either see no vertical line ...