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How do I detect unsigned integer multiply overflow?
I was writing a program in C++ to find all solutions of a b = c , where a , b and c together use all the digits 0-9 exactly once. The program looped over values of a and b , and it ran a digit-counting routine each time on a , b and ab to check if the digits condition was satisfied.
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ASP.NET WebApi vs MVC ? [closed]
With ASP.NET MVC controllers you can expose your data in different formats. AspNetWebAPI is designed explicitly for creating API's but i can easily do that with MVC controllers, is not clear to me in what cases it would be better than traditional MVC controllers. I'm interested in scenarios where th...
How to generate a random string in Ruby
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edited Mar 9 '17 at 10:56
community wiki
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Python os.path.join on Windows
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Sorry, line breaks weren't kept in comment, it looks very messy
– Frank E.
Mar 11 '10 at 6:12
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Best practices to test protected methods with PHPUnit
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If you're using PHP5 (>= 5.3.2) with PHPUnit, you can test your private and protected methods by using reflection to set them to be public prior to running your tests:
protected static function getMethod($name) {
$class = new ReflectionClass('MyClass');
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Convert bytes to a string
...ce a string:
>>> b"abcde"
b'abcde'
# utf-8 is used here because it is a very common encoding, but you
# need to use the encoding your data is actually in.
>>> b"abcde".decode("utf-8")
'abcde'
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Hidden Features of SQL Server
...'X' 10 times. This can save you from tedious copy/pasting when doing repetitive stuff.
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answered Sep 26 '08 at 18:13
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Find the version of an installed npm package
...alled packages.
You can find the version of a specific package by passing its name as an argument. For example, npm list grunt will result in:
projectName@projectVersion /path/to/project/folder
└── grunt@0.4.1
Alternatively, you can just run npm list without passing a package name as an ar...
Way to go from recursion to iteration
I've used recursion quite a lot on my many years of programming to solve simple problems, but I'm fully aware that sometimes you need iteration due to memory/speed problems.
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Regexp Java for password validation
...Explanation:
^ # start-of-string
(?=.*[0-9]) # a digit must occur at least once
(?=.*[a-z]) # a lower case letter must occur at least once
(?=.*[A-Z]) # an upper case letter must occur at least once
(?=.*[@#$%^&+=]) # a special character must occur at least on...