大约有 16,000 项符合查询结果（耗时：0.0349秒） [XML]
How to upper case every first letter of word in a string? [duplicate]
...
// One ligne convertion String sss = "Salem this is me"; String str= sss.replaceFirst(String.valueOf(sss.charAt(0)),String.valueOf((char)(sss.charAt(0)-32))); // CapitalizeFirstLetterInString System.out.println(str);
...
When is std::weak_ptr useful?
...typically use shared_ptr and the "owned" use a weak_ptr to its parent, and convert it temporarily to shared_ptr when it needs access to its parent.
Store a weak ptr :
weak_ptr<Parent> parentWeakPtr_ = parentSharedPtr; // automatic conversion to weak from shared
then use it when needed
sha...
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 =>...
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...
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();
...
JAX-RS — How to return JSON and HTTP status code together?
...y("Entity not found for UUID: " + uuid).build();
}
String json = //convert entity to json
return Response.ok(json, MediaType.APPLICATION_JSON).build();
}
Take a look at the Response class.
Note that you should always specify a content type, especially if you are passing multiple con...
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...
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...
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
...
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...