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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...
Prefer composition over inheritance?
...
GishuGishu
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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
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//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...
Why and How to avoid Event Handler memory leaks?
...ds a reference to object B, then, it will mean, object A needs object B to function, right? So, the garbage collector won't collect the object B as long as the object A is alive in the memory.
I think this part should be obvious to a developer.
+= Means, injecting reference of Right side object to...
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
...
How many constructor arguments is too many?
...hSurname("Smith")
.withFirstName("Fred")
.withSsn("123XS1")
.build();
}
}
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Is it better to specify source files with GLOB or each file individually in CMake?
...ifftool files are stored as $basename.$ext.$type.$pid.$ext which can cause fun errors when trying to compile after a single merge resolution.
– mathstuf
Mar 4 '13 at 21:43
9
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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...
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...
How to return result of a SELECT inside a function in PostgreSQL?
...guity
END
$func$ LANGUAGE plpgsql;
Call:
SELECT * FROM word_frequency(123);
Explanation:
It is much more practical to explicitly define the return type than simply declaring it as record. This way you don't have to provide a column definition list with every function call. RETURNS TABLE is ...