大约有 45,000 项符合查询结果(耗时:0.0635秒) [XML]
Convert objective-c typedef to its string equivalent
...
[XML] = @"XML",
[Atom] = @"Atom",
[RSS] = @"RSS"
};
...
// To convert enum to string:
NSString *str = FormatType_toString[theEnumValue];
The danger of this approach is that if you ever change the enum, you have to remember to change the array of names. You can solve this problem with...
What is the difference between . (dot) and $ (dollar sign)?
...hesizing the right hand side of an expression containing an infix operator converts it to a prefix function, one can write ($ 3) (4+) analogous to (++", world") "hello".
Why would anyone do this? For lists of functions, for example. Both:
map (++", world") ["hello","goodbye"]`
and:
map ($ 3) [(...
The specified type member 'Date' is not supported in LINQ to Entities Exception
...ethods outside the LINQ statement and then pass in a value. It looks as if Convert.ToDateTime(rule.data).Date is causing the error.
Calling Date on a DateTime property also cannot be translated to SQL, so a workaround is to compare the .Year .Month and .Day properties which can be translated to LI...
“Deprecation warning: moment construction falls back to js Date” when trying to convert RFC2822 date
I am using the following code to convert a server-side date-time to local time using moment.js.
6 Answers
...
PHP/MySQL insert row then get 'id'
... On the doc there is something to note: mysql_insert_id() will convert the return type of the native MySQL C API function mysql_insert_id() to a type of long (named int in PHP). If your AUTO_INCREMENT column has a column type of BIGINT (64 bits) the conversion may result in an incorrect ...
Compare DATETIME and DATE ignoring time portion
...ved example.
--112 is ISO format 'YYYYMMDD'
declare @filterDate char(8) = CONVERT(char(8), GETDATE(), 112)
select
*
from
Sales.Orders
where
CONVERT(char(8), OrderDate, 112) = @filterDate
In a perfect world, performing any manipulation to the filtered column should be avoided becau...
How do I auto size a UIScrollView to fit its content
...
Here is the accepted answer in swift for anyone who is too lazy to convert it :)
var contentRect = CGRectZero
for view in self.scrollView.subviews {
contentRect = CGRectUnion(contentRect, view.frame)
}
self.scrollView.contentSize = contentRect.size
...
JavaScript math, round to two decimal places [duplicate]
...Reference/Global_Objects/Number/toFixed
Edit - As mentioned by others this converts the result to a string. To avoid this:
var discount = +((price / listprice).toFixed(2));
Edit 2- As also mentioned in the comments this function fails in some precision, in the case of 1.005 for example it will retu...
How to increment a datetime by one day?
... timedelta
date = datetime.now() + timedelta(seconds=[delta_value])
Then convert to date to string
date = date.strftime('%Y-%m-%d %H:%M:%S')
Python one liner is
date = (datetime.now() + timedelta(seconds=[delta_value])).strftime('%Y-%m-%d %H:%M:%S')
...
Min/Max of dates in an array?
...
To number convertion applied not for string '2011/06/25', but for new Date('2011/06/25'). Number(new Date('2011/06/25'))===1308949200000. Code is tested in Chrome, IE, FF
– Andrew D.
Aug 22 '11 at...
