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How do I see a C/C++ source file after preprocessing in Visual Studio?
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cl.exe, the command line interface to Microsoft Visual C++, has three different options for outputting the preprocessed file (hence the inconsistency in the previous responses about Visual C++):
/E: preprocess to stdout (similar to GCC's -E option)
/P: preprocess to file
/EP: p...
Why no generics in Go?
... programmers being the result of no generics, slow compilers are caused by C++ like generics and slow execution times stem from the boxing-unboxing approach that Java uses.
The fourth possibility not mentioned in the blog is going the C# route. Generating the specialized code like in C++, but at ru...
MySQL OPTIMIZE all tables?
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On a database with 200 tables you are going to run 200 separate queries optimising 1 table at a time. You should implode the table names into one string and hence only one optimize table query is required.
– Dean Marshall
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jQuery $.ajax(), $.post sending “OPTIONS” as REQUEST_METHOD in Firefox
...ccess-Control-Allow-Methods "POST, GET, OPTIONS"
# force apache to return 200 without executing my scripts
RewriteEngine On
RewriteCond %{REQUEST_METHOD} OPTIONS
RewriteRule .* / [R=200,L]
You may not need the latter part, depending on what happens when Apache executes your target script. Credit...
Variable declaration placement in C
...eginning of the function. I know that in C99, the rules are the same as in C++, but what are the variable declaration placement rules for C89/ANSI C?
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How to get JSON from URL in JavaScript?
....onload = function() {
var status = xhr.status;
if (status === 200) {
callback(null, xhr.response);
} else {
callback(status, xhr.response);
}
};
xhr.send();
};
And use it like this:
getJSON('http://query.yahooapis.com/v1/public/yql?q=select%20%2a%2...
Read a file in Node.js
...
console.log('received data: ' + data);
response.writeHead(200, {'Content-Type': 'text/html'});
response.write(data);
response.end();
} else {
console.log(err);
}
});
Thanks to dc5.
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Undefined behavior and sequence points
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C++98 and C++03
This answer is for the older versions of the C++ standard. The C++11 and C++14 versions of the standard do not formally contain 'sequence points'; operations are 'sequenced before' or 'unsequenced' or 'indet...
Preventing console window from closing on Visual Studio C/C++ Console application
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If you have a C++ app and Run Without Debugging and the console window still closes, you need to remember to explicitly set the Subsystem to Console under Configuration Properties / Linker / System. This can happen if you start with an Emp...
What is the proper declaration of main?
What is the proper signature of the main function in C++? What is the correct return type, and what does it mean to return a value from main ? What are the allowed parameter types, and what are their meanings?
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