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How do I use IValidatableObject?
...r than Prop2");
}
Also, if you are using MVC ModelState, you can convert the validation result failures to ModelState entries as follows (this might be useful if you are doing the validation in a custom model binder):
var resultsGroupedByMembers = validationResults
.SelectMany(vr =>...
Select distinct using linq [duplicate]
...
FYI: This won't work unless you convert it back to a list again. GroupBy().Select(First()) will generate an ienumerable and you'll get a conversion error. Do this: myList.GroupBy(test => test.id) .Select(group => group.First()).ToList();
...
How to Query an NTP Server using C#?
...e serverReplyTime = 40;
//Get the seconds part
ulong intPart = BitConverter.ToUInt32(ntpData, serverReplyTime);
//Get the seconds fraction
ulong fractPart = BitConverter.ToUInt32(ntpData, serverReplyTime + 4);
//Convert From big-endian to little-endian
intPart = SwapEndian...
SQL Server SELECT INTO @variable?
...o use. Like this:
declare @table_name as varchar(30)
select @table_name = CONVERT(varchar(30), getdate(), 112)
set @table_name = 'DAILY_SNAPSHOT_' + @table_name
EXEC('
SELECT var1, var2, var3
INTO '+@table_name+'
FROM my_view
WHERE string = ''Strings must use double...
Sprintf equivalent in Java
...solutions workto simulate printf, but in a different way.
For instance, to convert a value to a hex string, you have the 2 following solutions:
with format(), closest to sprintf():
final static String HexChars = "0123456789abcdef";
public static String getHexQuad(long v) {
String ret;
if...
Populate data table from data reader
...
Please check the below code. Automatically it will convert as DataTable
private void ConvertDataReaderToTableManually()
{
SqlConnection conn = null;
try
{
string connString = ConfigurationManager.ConnectionStrings["NorthwindConn"].Conn...
My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(())
...ng<_CharT, _Traits, _Alloc>::
^
I'm not sure why g++ tries to convert char to const char *. Either way, the constructor was called with just one value of type char. There is no overload which has one argument of type char, therefore the compiler is confused. You may ask - why the argume...
Is there a Java equivalent or methodology for the typedef keyword in C++?
...oiceItem(CustomerId, InvoiceId, InvoiceLineItemId); Explicit types plus Converters/Validators makes programming Web APIs where EVERYTHING starts out as a String a lot safer.
– englebart
Jan 13 '17 at 14:42
...
Android: How to put an Enum in a Bundle?
..., as otherwise the enum's ordering must be preserved!
Longer explanation: Convert from enum ordinal to enum type
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Comparing two java.util.Dates to see if they are in the same day
...java.util.Date, it understands its assigned time zone (DateTimeZone). When converting from j.u.Date, assign a zone.
DateTimeZone zone = DateTimeZone.forID( "America/Montreal" );
DateTime dateTimeQuébec = new DateTime( date , zone );
LocalDate
One way to verify if two date-times land on the same...