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How to grant remote access to MySQL for a whole subnet?

...use a percent sign as a wildcard in the IP address. From http://dev.mysql.com/doc/refman/5.1/en/grant.html You can specify wildcards in the host name. For example, user_name@'%.example.com' applies to user_name for any host in the example.com domain, and user_name@'192.168.1.%' applies to user_...
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how to check if a form is valid programmatically using jQuery Validation Plugin

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Choosing between std::map and std::unordered_map [duplicate]

... ArunArun 17.4k88 gold badges4343 silver badges5757 bronze badges ...
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How do you validate a URL with a regular expression in Python?

...want the scheme to always be "http"? Do you want the netloc to always be "www.somename.somedomain"? Do you want the path to look unix-like? Or windows-like? Do you want to remove the query string? Or preserve it? These are not RFC-specified validations. These are validations unique to your ap...
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Colorizing text in the console with C++

...i MohammadpourMehdi Mohammadpour 32833 silver badges88 bronze badges 3 ...
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What is the common header format of Python files?

...very simple documentation. It can fill multiple lines. See also: https://www.python.org/dev/peps/pep-0263/ If you just write a class in each file, you don't even need the documentation (it would go inside the class doc). ...
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How do you detect where two line segments intersect? [closed]

...p − q) × r u = (p − q) × r / (s × r) To reduce the number of computation steps, it's convenient to rewrite this as follows (remembering that s × r = − r × s): u = (q − p) × r / (r × s) Now there are four cases: If r × s = 0 and (q − p) × r = 0, then t...
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find -exec a shell function in Linux?

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C++ Tuple vs Struct

...= std::tuple<int, int, double, std::string>; We then use Celero to compare the performance of our simple struct and tuple. Below is the benchmark code and performance results collected using gcc-4.9.2 and clang-4.0.0: std::vector<StructData> test_struct_data(const size_t N) { std:...
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How to get the request parameters in Symfony 2?

... The naming is not all that intuitive: use Symfony\Component\HttpFoundation\Request; public function updateAction(Request $request) { // $_GET parameters $request->query->get('name'); // $_POST parameters $request->request->get('name'); ...