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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...
How to correctly use “section” tag in HTML5?
...ion. A section, in this context, is a thematic grouping of
content, typically with a heading.
Examples of sections would be chapters, the various tabbed pages in a
tabbed dialog box, or the numbered sections of a thesis. A Web site's
home page could be split into sections for an introduct...
How to track child process using strace?
...ously search for the parent thread, then the grandparent thread, and so on all the way to the root process.
4 Answers
...
Truncating floats in Python
...o the binary value stored in the computer's memory, not the string you actually typed into the source code.1
If you decode the sequence of bits back into a decimal number, again using the IEEE 64-bit floating-point format, you get
0.2999999999999999888977697537484345957637...
so a naive implemen...
How to create a directory if it doesn't exist using Node.js?
...
using *Sync methods is usually a no-no: don't want to block the event loop
– Max Heiber
Feb 13 '17 at 21:23
16
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What's the difference between “git reset” and “git checkout”?
...
git reset is specifically about updating the index, moving the HEAD.
git checkout is about updating the working tree (to the index or the specified tree). It will update the HEAD only if you checkout a branch (if not, you end up with a detached H...
ASP.NET MVC: Custom Validation by DataAnnotation
...ationContext.ObjectInstance, null)).OfType<string>();
var totalLength = values.Sum(x => x.Length) + Convert.ToString(value).Length;
if (totalLength < this.MinLength)
{
return new ValidationResult(this.FormatErrorMessage(validationContext.DisplayName));...
How to use the 'main' parameter in package.json?
...t to your
program. That is, if your package is named foo, and a user installs
it, and then does require("foo"), then your main module's exports
object will be returned.
This should be a module ID relative to the root of your package
folder.
For most modules, it makes the most sense...
Recursively remove files
... Yes, that is what the print0 and the -0 to xargs is for. Normally it wouldn't handle spaces correctly, however with print0 it will print the filename with a null character at the end of the line, which xarg with -0 will then use to pass the full path to xargs without a chance of having...