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How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII

... no bytes above 0x7F, then it's ASCII. (Or a 7-bit ISO646 encoding, but those are very obsolete.) UTF-8 If your data validates as UTF-8, then you can safely assume it is UTF-8. Due to UTF-8's strict validation rules, false positives are extremely rare. ISO-8859-1 vs. windows-1252 The only diff...
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Regular expression to match DNS hostname or IP Address?

...ould have to be escaped with \. ValidHostnameRegex is valid as per RFC 1123. Originally, RFC 952 specified that hostname segments could not start with a digit. http://en.wikipedia.org/wiki/Hostname The original specification of hostnames in RFC 952, mandated that labels could not start...
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Prefer composition over inheritance?

... GishuGishu 123k4545 gold badges214214 silver badges294294 bronze badges ...
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[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术

... //判断字符串是否是某种类型 CString sValue("123.1"); COleVariant vValue(sValue); BOOL bStrIsFloat = (SUCCEEDED(VariantChangeType(&vValue, &vValue, 0, VT_R8)) && sValue.Find('.') != -1); if(bStrIsFloat) { AfxMes...
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Why does this method print 4?

... for 1 recursive call (1 more than original), the memory use is M + R. Suppose that StackOverflowError is thrown after C successful recursive calls, that is, M + C * R <= X and M + C * (R + 1) > X. At the time of the first StackOverflowError, there's X - M - C * R memory left. To be able to r...
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What's the difference between interface and @interface in java?

...above annotation, you could use code like this: @MyAnnotation( value="123", name="Jakob", age=37, newNames={"Jenkov", "Peterson"} ) public class MyClass { } Reference - http://tutorials.jenkov.com/java/annotations.html ...
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How many constructor arguments is too many?

...hSurname("Smith") .withFirstName("Fred") .withSsn("123XS1") .build(); } } share | improve this answer | follow | ...
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Reference assignment operator in PHP, =&

... 123 It's not deprecated and is unlikely to be. It's the standard way to, for example, make part of...
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How to generate keyboard events in Python?

... = 0x0004 KEYEVENTF_SCANCODE = 0x0008 MAPVK_VK_TO_VSC = 0 # msdn.microsoft.com/en-us/library/dd375731 VK_TAB = 0x09 VK_MENU = 0x12 # C struct definitions wintypes.ULONG_PTR = wintypes.WPARAM class MOUSEINPUT(ctypes.Structure): _fields_ = (("dx", wintypes.LONG), ...
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Coding in Other (Spoken) Languages

...ce I don't speak a word of that language, stuff could have been called var_123, var_562 or func_333 as well (and probably it would have been easier for me to remember the names or at least to have a chance of spelling them right without copying and pasting). Since this was a short, self-contained sn...