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How to find memory leak in a C++ code/project?
...r at all, it won't cause memory leak, is it right?
– 123iamking
May 16 '16 at 12:01
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How to implement one-to-one, one-to-many and many-to-many relationships while designing tables?
...D)
);
INSERT INTO gov(GID, Name, Address, TermBegin)
values(110, 'Bob', '123 Any St', '1-Jan-2009');
INSERT INTO STATE values(111, 'Virginia', 2000000, 110);
One-to-many (1:M)
A relationship is one-to-many if and only if one record from table A is
related to one or more records in table B. How...
What is the formal difference in Scala between braces and parentheses, and when should they be used?
What is the formal difference between passing arguments to functions in parentheses () and in braces {} ?
9 Answers
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What are free monads?
...re accessible explanation.
Free monads are just a general way of turning functors into monads. That is, given any functor f Free f is a monad. This would not be very useful, except you get a pair of functions
liftFree :: Functor f => f a -> Free f a
foldFree :: Functor f => (f r -> ...
Prefer composition over inheritance?
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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...
How many constructor arguments is too many?
...hSurname("Smith")
.withFirstName("Fred")
.withSsn("123XS1")
.build();
}
}
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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...
What does Ruby have that Python doesn't, and vice versa?
..., 2, 3, 4].each{ |e| puts e + 5 }
> [6, 7, 8, 9]
Python has anonymous functions/closures/lambdas, but it doesn't quite have blocks since it's missing some of the useful syntactic sugar. However, there's at least one way to get it in an ad-hoc fashion. See, for example, here.
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Linux: compute a single hash for a given folder & contents?
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123
One possible way would be:
sha1sum path/to/folder/* | sha1sum
If there is a whole directory ...