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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...
Async Image Loader Extension：异步图像加载器扩展 - App Inventor 2 拓展...
...)]1108×320 33 KB
[color=var(--tertiary)][color=var(--secondary)]IMG_20240505_161351[color=var(--secondary-high)]760×760 90.2 KB
[color=var(--tertiary)][color=var(--secondary)]IMG_20240505_161331[color=var(--secondary-high)]679×679 103 KB
https://community.appinventor.mi ... r...
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...
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...
Restoring MySQL database from physical files
... a single tablespace *, which by default consist of the 3 files ibdata1, ib_logfile0, and ib_logfile1. for restoring a database, you would also need those files. * per-table tablespaces are possible, but not default
– ax.
Aug 21 '09 at 18:18
...
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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Set value to NULL in MySQL
... can be inserted/updated without quotes:
INSERT INTO user (name, something_optional) VALUES ("Joe", NULL);
UPDATE user SET something_optional = NULL;
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...
How do you run a SQL Server query from PowerShell?
... would use the following. It is what we use at my company.
$ServerName = "_ServerName_"
$DatabaseName = "_DatabaseName_"
$Query = "SELECT * FROM Table WHERE Column = ''"
#Timeout parameters
$QueryTimeout = 120
$ConnectionTimeout = 30
#Action of connecting to the Database and executing the query a...
Using an if statement to check if a div is empty
...If a container has a very long HTML content?
– techie_28
Jun 17 '16 at 10:07
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...
Get selected value in dropdown list using JavaScript
...electItem.value}}</p>
// JavaScript
$scope.items = [{
value: 'item_1_id',
text: 'Item 1'
}, {
value: 'item_2_id',
text: 'Item 2'
}];
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