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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
...ance(REFCLSID rclsid,LPUNKNOWN pUnkOuter=NULL, DWORD dwClsCOntext=CLSCTX_ALL);
HRESULT CoCreateInstance(LPCOLESTR szProgID, LPUNKNOSWN pUnkOuter=NULL, DWORD dwClsContxt=CLSCTX_ALL);
后两个参数不管，第一个参数要不传入CLSID,要不传入字符串形式的progID.
例子代码如...
ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ance(REFCLSID rclsid,LPUNKNOWN pUnkOuter=NULL, DWORD dwClsCOntext=CLSCTX_ALL);
HRESULT CoCreateInstance(LPCOLESTR szProgID, LPUNKNOSWN pUnkOuter=NULL, DWORD dwClsContxt=CLSCTX_ALL);
后两个参数不管，第一个参数要不传入CLSID,要不传入字符串形式的progID.
例子代码如...
自定义下载器扩展：个性化下载进度展示 - App Inventor 2 拓展 - 清泛IT社...
... notification message for download complete notification.
Get a list of all download IDs
Get the ASD path of your app
Get the current download ID.
Cancel all ongoing downloads.
This block converts the bytes into KB and MB automatically, You can use own calculation for converting bytes...
Compare two objects and find the differences [duplicate]
...
One Flexible solution: You could use reflection to enumerate through all of the properties and determine which are and are not equal, then return some list of properties and both differing values.
Here's an example of some code that is a good start for what you are asking. It only looks at F...
Css height in percent not working [duplicate]
...
You need to set a 100% height on all your parent elements, in this case your body and html. This fiddle shows it working.
html, body { height: 100%; width: 100%; margin: 0; }
div { height: 100%; width: 100%; background: #F52887; }
<html><body...
count(*) vs count(column-name) - which is more correct? [duplicate]
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COUNT(*) counts all rows
COUNT(column) counts non-NULLs only
COUNT(1) is the same as COUNT(*) because 1 is a non-null expressions
Your use of COUNT(*) or COUNT(column) should be based on the desired output only.
...
Check if a class has a member function of a given signature
...oid ReportMemUsage(const TMap& m, std::true_type)
{
// We may call used_memory() on m here.
}
template<typename TMap>
void ReportMemUsage(const TMap&, std::false_type)
{
}
template<typename TMap>
void ReportMemUsage(const TMap& m)
{
ReportMemUsage(m,
std:...
How do I show a Save As dialog in WPF?
...alog dialog = new SaveFileDialog()
{
Filter = "Text Files(*.txt)|*.txt|All(*.*)|*"
};
if (dialog.ShowDialog() == true)
{
File.WriteAllText(dialog.FileName, fileText);
}
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Is there any way to view the currently mapped keys in Vim?
Basically, I'd like to view all of the keys maps made in the current buffer by all of plugins, vimrc, etc, in the current buffer. Is there anyway to do this?
...
How do cache lines work?
...hyperthreading is way better than in P4 days (so a prefetch thread is typically a waste). Also, the x86 tag wiki has lots of performance links for that architecture.
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