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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
(?=.*[@#$%^&+=]) # a special character must occur at least on...
Best practices to test protected methods with PHPUnit
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If you're using PHP5 (>= 5.3.2) with PHPUnit, you can test your private and protected methods by using reflection to set them to be public prior to running your tests:
protected static function getMethod($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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Set NOW() as Default Value for datetime datatype?
I have two columns in table users namely registerDate and lastVisitDate which consist of datetime data type. I would like to do the following.
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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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When should I use jQuery deferred's “then” method and when should I use the “pipe” method?
...ed.pipe() method is deprecated. The deferred.then() method, which replaces it, should be used instead.
and
As of jQuery 1.8, the deferred.then() method returns a new promise that can filter the status and values of a deferred through a function, replacing the now-deprecated deferred.pipe() method....
XDocument or XmlDocument
... just ran into XDocument and when I try to search the difference or benefits of them I can't find something useful, could you please tell me why you would use one over another ?
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Why does this CSS margin-top style not work?
...n values on a div inside another div. All works fine except the top value, it seems to be ignored. But why?
12 Answers
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