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Python function overloading

...working with languages that can discriminate data types at compile-time, selecting among the alternatives can occur at compile-time. The act of creating such alternative functions for compile-time selection is usually referred to as overloading a function. (Wikipedia) Python is a dynamical...
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Why use static_cast(x) instead of (int)x?

...pointer to a different type, and then dereferencing. Except in the case of character types or certain struct types for which C defines the behavior of this construct, it generally results in undefined behavior in C. – R.. GitHub STOP HELPING ICE Feb 4 '12 at 5:...
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Convert XLS to CSV on command line

... The code converts only the active worksheet. To select another worksheet, add the following line after the oExcel.Workbooks.Open line with the desired index of the worksheet (starts at 1): oBook.Worksheets(1).Activate – humbads Oct 3...
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Entity Framework - Code First - Can't Store List

... Great solution for EF Core. Although it seems to have an issue whit char to string conversion. I had to implement it like such: .HasConversion( v => string.Join(";", v), v => v.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries));...
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How do I create a URL shortener?

... Food for thought, it might be useful to add a two character checksum to the url. That would prevent direct iteration of all the urls in your system. Something simple like f(checksum(id) % (62^2)) + f(id) = url_id – koblas Sep 4 '10 at...
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Check if a class has a member function of a given signature

...(U::*)() const> struct SFINAE {}; template<typename U> static char Test(SFINAE<U, &U::used_memory>*); template<typename U> static int Test(...); static const bool Has = sizeof(Test<T>(0)) == sizeof(char); }; template<typename TMap> void ReportMemUsag...
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how does array[100] = {0} set the entire array to 0?

How does the compiler fill values in char array[100] = {0}; ? What's the magic behind it? 4 Answers ...
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获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...

...str()<< L"/n"; } int driveIndex; std::cin >> driveIndex;//selecting a disk std::vector<unsigned char> buffer; //creating a path std::wstring dumpPath(L"////.//PhysicalDrive"); wchar_t index[MAX_PATH]; _itow(devices.at(driveIndex).vHarddiskIndexes[0], index , MAX_P...
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获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...

...str()<< L"/n"; } int driveIndex; std::cin >> driveIndex;//selecting a disk std::vector<unsigned char> buffer; //creating a path std::wstring dumpPath(L"////.//PhysicalDrive"); wchar_t index[MAX_PATH]; _itow(devices.at(driveIndex).vHarddiskIndexes[0], index , MAX_P...
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获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...

...str()<< L"/n"; } int driveIndex; std::cin >> driveIndex;//selecting a disk std::vector<unsigned char> buffer; //creating a path std::wstring dumpPath(L"////.//PhysicalDrive"); wchar_t index[MAX_PATH]; _itow(devices.at(driveIndex).vHarddiskIndexes[0], index , MAX_P...