大约有 40,000 项符合查询结果(耗时:0.0359秒) [XML]
How to calculate age (in years) based on Date of Birth and getDate()
...s...
(yyyyMMdd - yyyyMMdd) / 10000 = difference in full years
declare @as_of datetime, @bday datetime;
select @as_of = '2009/10/15', @bday = '1980/4/20'
select
Convert(Char(8),@as_of,112),
Convert(Char(8),@bday,112),
0 + Convert(Char(8),@as_of,112) - Convert(Char(8),@bday,112),
...
Why Would I Ever Need to Use C# Nested Classes [duplicate]
...like this ...
class A
{
//used to help implement A
class B
{
A m_a;
internal B(A a) { m_a = a; }
...methods of B can access private members of the m_a instance...
}
...etc...
}
... and constructed from a method of A using code like this ...
//create an instance of B, whose ...
Watch multiple $scope attributes
...bject in scope.
$scope.$watchGroup(
[function () { return _this.$scope.ViewModel.Monitor1Scale; },
function () { return _this.$scope.ViewModel.Monitor2Scale; }],
function (newVal, oldVal, scope)
{
if (newVal != oldVal) {
...
PHP: How to send HTTP response code?
... OK");
However, this requires special treatment for (Fast)CGI PHP:
$sapi_type = php_sapi_name();
if (substr($sapi_type, 0, 3) == 'cgi')
header("Status: 404 Not Found");
else
header("HTTP/1.1 404 Not Found");
Note: According to the HTTP RFC, the reason phrase can be any custom string (th...
How do I add a path to PYTHONPATH in virtualenv
...ing virtualenvwrapper,
$ cd to the parent folder
$ add2virtualenv folder_to_add
console will display
Warning: Converting "folder_to_add" to "/absoutle/path/to/folder_to_add"
That's it, and you should be good to go
s...
How can I escape square brackets in a LIKE clause?
...derscore from a query, so I ended up with this:
WHERE b.[name] not like '\_%' escape '\' -- use \ as the escape character
share
|
improve this answer
|
follow
...
AngularJS access scope from outside js function
... over it: github.com/angular/angular.js/wiki/When-to-use-$scope.$apply(). _If you are doing if (!$scope.$$phase) $scope.$apply() it's because you are not high enough in the call stack._
– scheffield
Sep 29 '14 at 14:44
...
How to handle both a single item and an array for the same property using JSON.net
...alize(reader, GetType(T)), T)
retVal = New List(Of T)() From { _
instance _
}
ElseIf reader.TokenType = JsonToken.StartArray Then
retVal = serializer.Deserialize(reader, objectType)
End If
Return retVal
End Function
...
Is there a recommended format for multi-line imports?
...BFeature, skipUnlessDBFeature,
)
from django.test.utils import (
ignore_warnings, modify_settings, override_settings,
override_system_checks, tag,
)
share
|
improve this answer
|
...
Split column at delimiter in data frame [duplicate]
...b','b|c','x|y'))
library(splitstackshape)
cSplit(df, "FOO", "|")
# ID FOO_1 FOO_2
# 1 11 a b
# 2 12 b c
# 3 13 x y
This particular function also handles splitting multiple columns, even if each column has a different delimiter:
df <- data.frame(ID=11:13,
...
