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ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...> punk;
下面三个例子完全相同
CComPtr<IXXX> pno;
CComPtr<IXXX,&__uuidof(IXXX)> pno;
CComPtr<IXXX,&IID_IXXX> pno;
CComQIPtr可以用任何一个类型的接口指针初始化，如果初始化的值与CComQIPtr的类型相同，那么构造函数简单调用 指针的AddRef,但是，如...
ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...> punk;
下面三个例子完全相同
CComPtr<IXXX> pno;
CComPtr<IXXX,&__uuidof(IXXX)> pno;
CComPtr<IXXX,&IID_IXXX> pno;
CComQIPtr可以用任何一个类型的接口指针初始化，如果初始化的值与CComQIPtr的类型相同，那么构造函数简单调用 指针的AddRef,但是，如...
Paging with Oracle
...ld work: From Frans Bouma's Blog
SELECT * FROM
(
SELECT a.*, rownum r__
FROM
(
SELECT * FROM ORDERS WHERE CustomerID LIKE 'A%'
ORDER BY OrderDate DESC, ShippingDate DESC
) a
WHERE rownum < ((pageNumber * pageSize) + 1 )
)
WHERE r__ >= (((pageNumber-1) * pa...
Django admin: How to display a field that is marked as editable=False' in the model?
...(for django >= 1.2):
class MyModelAdmin(admin.ModelAdmin):
readonly_fields=('first',)
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How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?
...mport scala.reflect.Manifest
private var map= Map.empty[Any,(Manifest[_], Any)]
def register[T](name: Any, item: T)(implicit m: Manifest[T]) {
map = map.updated(name, m -> item)
}
def get[T](key:Any)(implicit m : Manifest[T]): Option[T] = {
map get key flatMap {
ca...
Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
...+ b[k]) for k in set(b) & set(a)])
or even more generic:
def combine_dicts(a, b, op=operator.add):
return dict(a.items() + b.items() +
[(k, op(a[k], b[k])) for k in set(b) & set(a)])
For example:
>>> a = {'a': 2, 'b':3, 'c':4}
>>> b = {'a': 5, 'c':6, 'x':7...
How to list variables declared in script in bash?
...t using temporary files: VARS="`set -o posix ; set`"; source script; SCRIPT_VARS="`grep -vFe "$VARS" <<<"$(set -o posix ; set)" | grep -v ^VARS=`"; unset VARS; . This will also output the vars in a ready-to-save format. The list will include the variables that the script changed (it depends...
Why can't Python parse this JSON data?
...: "0"
}
],
"masks": {
"id": "valore"
},
"om_points": "value",
"parameters": {
"id": "valore"
}
}
Then you can use your code:
import json
from pprint import pprint
with open('data.json') as f:
data = json.load(f)
pprint(data)
With data, you c...
Populate a Razor Section From a Partial
...n the Scripts section of your view:
@section Scripts
{
@Html.Partial("_Scripts", "ScriptName_For_Partial1")
}
Again, it might not win a beauty prize but it will work.
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pandas GroupBy columns with NaN (missing) values
...
No, this is not consistent with R. df %>% group_by will give NA summaries too with a warning which can be avoided by passing the grouping column through fct_explicit_na and then a (Missing) level is created.
– Ravaging Care
Aug 16 '1...