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Spring 3 MVC accessing HttpRequest from controller
...s anything: @RequestMapping(value="/") public String home(HttpServletRequest request){ System.out.println(""+request.getSession().getCreationTime()); return "home"; } This should pring the current amount pof millis but it does not, also annotating the ...
Calculating the difference between two Java date instances
... the units ordered.
You just have to convert that map to an user-friendly string.
Warning
The above code snippets compute a simple diff between 2 instants. It can cause problems during a daylight saving switch, like explained in this post. This means if you compute the diff between dates with n...
The entity cannot be constructed in a LINQ to Entities query
...nto an anonymous type or onto a DTO:
public class ProductDTO
{
public string Name { get; set; }
// Other field you may need from the Product entity
}
And your method will return a List of DTO's.
public List<ProductDTO> GetProducts(int categoryID)
{
return (from p in db.Products...
Get DOS path instead of Windows path
...ame(
[MarshalAs(UnmanagedType.LPTStr)]
string path,
[MarshalAs(UnmanagedType.LPTStr)]
StringBuilder shortPath,
int shortPathLength
);
public Form1()
{
InitializeCompo...
How to check if field is null or empty in MySQL?
...ld1
from tablename
If you only want to check for null and not for empty strings then you can also use ifnull() or coalesce(field1, 'empty'). But that is not suitable for empty strings.
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im...
Rails migrations: Undo default setting for a column
...ip DEFAULT at schema level:
def self.up
change_column :table, :column, :string, :null => false, :default => ""
change_column_default(:table, :column, nil)
end
share
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improve this answer...
Circle drawing with SVG's arc path
... write 0.0001 to make it work. If you're looking for where to put the path string, look at Paths on MDN.
– TWiStErRob
May 10 '16 at 13:42
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Calculate total seconds in PHP DateInterval
...otalFullSeconds(
new IntervalFromRange(
new DateTimeFromISO8601String('2017-07-03T14:27:39+00:00'),
new DateTimeFromISO8601String('2017-07-05T14:27:39+00:00')
)
))
->value()
Besides being intuitive, you can also benefit from autocompletion facility of your IDE.
For ...
How can I pass a constant value for 1 binding in multi-binding?
...
If your value is simply a string, you can specify it as a constant in the Source property of a binding. If it is any other primitive data type, you need to define a static resource and reference this.
Define the sys namespace in the root of the XAML ...
Calculate number of hours between 2 dates in PHP
...date, you need to specify a negative interval, DateInterval::createFromDateString('-1 hour'); with a start date in the past of from the end date.
– Will B.
Jun 21 '19 at 15:28
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