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How to convert View Model into JSON object in ASP.NET MVC?
... 2-dimensional array to a 1-dimensional array in json. Newtonsoft.Json.JsonConvert.SerializeObject serializes the two dimensions properly into json. So I suggest to use the latter one.
– mono68
Feb 5 '15 at 17:39
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Max return value if empty query
...n empty sequence but complaining that the materialized value NULL can't be converted into an int.
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Convert to absolute value in Objective-C
How do I convert a negative number to an absolute value in Objective-C?
2 Answers
2
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How do I concatenate two arrays in C#?
... This is what happens without the toArray() Cannot implicitly convert type 'System.Collections.Generic.IEnumerable<string>' to 'string[]'. An explicit conversion exists (are you missing a cast?)
– Tibor Udvari
Jun 16 '15 at 11:32
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The cast to value type 'Int32' failed because the materialized value is null
...To allow a nullable Amount field, just use the null coalescing operator to convert nulls to 0.
var creditsSum = (from u in context.User
join ch in context.CreditHistory on u.ID equals ch.UserID
where u.ID == userID
se...
How do I get the filepath for a class in Python?
...
try:
import sys, os
os.path.abspath(sys.modules[LocationArtifact.__module__].__file__)
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json_decode to array
...e PHP Documentation json_decode function has a parameter named assoc which convert the returned objects into associative arrays
mixed json_decode ( string $json [, bool $assoc = FALSE ] )
Since assoc parameter is FALSE by default, You have to set this value to TRUE in order to retrieve an arra...
Why isn't the size of an array parameter the same as within main?
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An array-type is implicitly converted into pointer type when you pass it in to a function.
So,
void PrintSize(int p_someArray[10]) {
printf("%zu\n", sizeof(p_someArray));
}
and
void PrintSize(int *p_someArray) {
printf("%zu\n", sizeof(p_som...
Swift: Testing optionals for nil
...rror, the type UInt8 is not optional (note no '?') and therefore cannot be converted to nil. Make sure the variable you're working with is an optional before you treat it like one.
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How to check that a string is an int, but not a double, etc.?
PHP has an intval() function that will convert a string to an integer. However I want to check that the string is an integer beforehand, so that I can give a helpful error message to the user if it's wrong. PHP has is_int() , but that returns false for string like "2" .
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