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How to create a function in a cshtml template?
...
You can use the @helper Razor directive:
@helper WelcomeMessage(string username)
{
<p>Welcome, @username.</p>
}
Then you invoke it like this:
@WelcomeMessage("John Smith")
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What does Html.HiddenFor do?
...nsider the following ViewModel class:
public class ViewModel
{
public string Value { get; set; }
public int Id { get; set; }
}
Now you want the edit page to store the ID but have it not be seen:
<% using(Html.BeginForm() { %>
<%= Html.HiddenFor(model.Id) %><br />
...
How to pass parameters to a partial view in ASP.NET MVC?
...N):
public static void RenderPartial(
this HtmlHelper htmlHelper,
string partialViewName,
Object model
)
so:
@{Html.RenderPartial(
"FullName",
new { firstName = model.FirstName, lastName = model.LastName});
}
...
Difference between two lists
...omparer, if the values being compared are of base data types, such as int, string, decimal etc.
Otherwise the comparison will be made by object address, which is probably not what you want... In that case, make your custom objects implement IComparable (or implement a custom IEqualityComparer and p...
iPhone OS: How do I create an NSDate for a specific date?
...
You can use this
NSString *dateString = @"03-Sep-11";
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
dateFormatter.dateFormat = @"dd-MMM-yy";
NSDate *date = [dateFormatter dateFromString:dateString];
Hope this will help you ...
PHP Sort Array By SubArray Value
...optionNumber'] is an integer. Use @St. John Johnson's solution if they are strings.
In PHP ≥7.0, use the spaceship operator <=> instead of subtraction to prevent overflow/truncation problems.
usort($array, function ($a, $b) {
return $a['optionNumber'] <=> $b['optionNumber'];
})...
Can I call an overloaded constructor from another constructor of the same class in C#?
...he constructor.
for example
class foo
{
public foo(){}
public foo(string s ) { }
public foo (string s1, string s2) : this(s1) {....}
}
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Nested JSON objects - do I have to use arrays for everything?
...use arrays.
JSON values can be arrays, objects, or primitives (numbers or strings).
You can write JSON like this:
{
"stuff": {
"onetype": [
{"id":1,"name":"John Doe"},
{"id":2,"name":"Don Joeh"}
],
"othertype": {"id":2,"company":"ACME"}
}, ...
Convert DataFrame column type from string to datetime, dd/mm/yyyy format
How can I convert a DataFrame column of strings (in dd/mm/yyyy format) to datetimes?
4 Answers
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Basic example of using .ajax() with JSONP?
...ment that looks like this after it loads the data:
<script>
{['some string 1', 'some data', 'whatever data']}
</script>
However this is a bit inconvenient, because we have to fetch this array from script tag. So JSONP creators decided that this will work better (and it is):
script = ...