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C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ication.14")//Excel 2010
};
CLSID clsid;
HRESULT hr = S_FALSE;
for (int i= sizeof(ptchsExcel)/sizeof(*ptchsExcel)-1;i>=0;i--)
{
#if 0
if (m_app.CreateDispatch(ptchsExcel[i],NULL))
{
break;
}
等同于下面的操作
#else
hr = CLSIDFromProgID(ptchsExcel[i], &c...
TypeError: got multiple values for argument
... this problem when calling a function, I can't figure out what it could be for. Any ideas?
7 Answers
...
Priority queue in .Net [closed]
I am looking for a .NET implementation of a priority queue or heap data structure
14 Answers
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Get Root Directory Path of a PHP project
...
For PHP >= 5.3.0 try
PHP magic constants.
__DIR__
And make your path relative.
For PHP < 5.3.0 try
dirname(__FILE__)
share
|
...
How do I get the filepath for a class in Python?
...lt;module 'builtins' (built-in)> is a built-in class. I think that only for an instance c do you want to use inspect.getfile(c.__class__).
– cheshirekow
Jul 29 '19 at 21:35
1
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Python Logging (function name, file name, line number) using a single file
I am trying to learn how an application works. And for this I am inserting debug commands as the first line of each function's body with the goal of logging the function's name as well as the line number (within the code) where I send a message to the log output. Finally, since this application comp...
What is your favorite C programming trick? [closed]
For example, I recently came across this in the linux kernel:
37 Answers
37
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Check if $_POST exists
... As per Shi's comment on Augustus Francis's answer, empty() is not correct for choice #1, because in php, the string '0' is equivalent to false - and empty() returns true for all values equivalent to false. So using empty, the code would skip printing if the value was '0'. If you want to exclude the...
Capturing Groups From a Grep RegEx
...'t even have to use grep:
files="*.jpg"
regex="[0-9]+_([a-z]+)_[0-9a-z]*"
for f in $files # unquoted in order to allow the glob to expand
do
if [[ $f =~ $regex ]]
then
name="${BASH_REMATCH[1]}"
echo "${name}.jpg" # concatenate strings
name="${name}.jpg" # sa...
What would a “frozen dict” be?
...he most common reason to want such a type is when memoizing function calls for functions with unknown arguments. The most common solution to store a hashable equivalent of a dict (where the values are hashable) is something like tuple(sorted(kwargs.iteritems())).
This depends on the sorting not be...