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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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How to check for a valid Base64 encoded string
... way in C# to see if a string is Base 64 encoded other than just trying to convert it and see if there is an error? I have code code like this:
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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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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...
Easiest way to compare arrays in C#
...o(a2, StructuralComparisons.StructuralEqualityComparer)); Getting: cannot convert from 'System.Collections.IEqualityComparer' to 'System.Collections.IComparer'
– shindigo
Mar 21 '16 at 15:55
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DTO = ViewModel?
...posted to those methods and with some MVC magic, the data is automatically converted to DTOs before being passed to the methods. Do you think it is wrong to use DTOs in this case. Should ViewModels be used with a Web API? I am asking to better understand, because I am still not all that familiar wit...
How to make rounded percentages add up to 100%
...m - rounded.Sum();
if (delta == 0) return rounded;
var deltaUnit = Convert.ToDecimal(Math.Pow(0.1, decimals)) * Math.Sign(delta);
List<int> applyDeltaSequence;
if (delta < 0)
{
applyDeltaSequence = original
.Zip(Enumerable.Range(0, int.MaxValue), (x...
string.Join on a List or other type
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because he would have a List<int>. The linq select converts the List<int> to IEnumerable<string> and then to the array.
– Greg Bogumil
Aug 31 '10 at 15:30
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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...
Android getting value from selected radiobutton
...String gender=radioButton.getText().toString();
Hope this works. You can convert your output to string in the above manner.
gender.getCheckedRadioButtonId(); - gender is the id of RadioGroup.
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