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How to initialize private static members in C++?
...tion, is not a definition. The templated const idiom provides a workaround for the cases where you need the definition in a header file. Another and simpler workaround is a function that produces the value of a local static constant. Cheers & hth.,
– Cheers and hth. - Alf
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NodeJS: How to get the server's port?
You often see example hello world code for Node that creates an Http Server, starts listening on a port, then followed by something along the lines of:
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How do I correctly clone a JavaScript object?
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To do this for any object in JavaScript will not be simple or straightforward. You will run into the problem of erroneously picking up attributes from the object's prototype that should be left in the prototype and not copied to the new...
Does Dart support enumerations?
Does Dart support enumerations? For instance:
7 Answers
7
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Best way to test if a row exists in a MySQL table
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Test with ...EXISTS( SELECT 1/0 FROM someothertable). For SQL Server & Oracle - it makes no difference to use *, 1 or NULL because EXISTS only tests for a boolean based on 1+ of the WHERE criteria matching.
– OMG Ponies
Nov 4 '09 at 23:...
Create a pointer to two-dimensional array
...ay are contiguously stored
uint8_t *matrix_ptr = l_matrix[0];
Now, that formally only allows you to access the elements of the first element of the two dimensional array. That is, the following condition hold
matrix_ptr[0] = ...; // valid
matrix_ptr[19] = ...; // valid
matrix_ptr[20] = ...; // ...
How to identify server IP address in PHP
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Like this for the server ip:
$_SERVER['SERVER_ADDR'];
and this for the port
$_SERVER['SERVER_PORT'];
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How to remove array element in mongodb?
...ltiple documents use { multi: true } option. See db.collection.update docs for details.
– Leonid Beschastny
Sep 6 '17 at 16:50
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一个宏命令，就可以程序崩溃时生成dump文件 - C/C++ - 清泛网 - 专注C/C++及内核技术
...;
// Dump信息
//
MINIDUMP_EXCEPTION_INFORMATION dumpInfo;
dumpInfo.ExceptionPointers = pException;
dumpInfo.ThreadId = GetCurrentThreadId();
dumpInfo.ClientPointers = TRUE;
// 写入Dump文件内容
//
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XmlSerializer: remove unnecessary xsi and xsd namespaces
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Since Dave asked for me to repeat my answer to Omitting all xsi and xsd namespaces when serializing an object in .NET, I have updated this post and repeated my answer here from the afore-mentioned link. The example used in this answer is the ...