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Is returning null bad design? [closed]

...ing null is insane when it's used as a substitute for empty containers (or strings). That's not the common case though. – MSalters Aug 14 '09 at 8:17 2 ...
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Log to the base 2 in python

...n_function_or_method Base Class: <type 'builtin_function_or_method'> String Form: <built-in function log> Namespace: Interactive Docstring: log(x[, base]) -> the logarithm of x to the given base. If the base not specified, returns the natural logarithm (base e) of x. In ...
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PHPUnit: assert two arrays are equal, but order of elements not important

... Note that array_diff converts every value to string for comparison. – Konstantin Pelepelin Jul 8 '14 at 12:35 ...
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Logical XOR operator in C++?

...!= !B implements the proper XOR in that regard. But if you care about the extra sequence point though, neither != nor bitwise ^ is the proper way to implement XOR. One possible way to do XOR(a, b) correctly might look as follows a ? !b : b This is actually as close as you can get to making a hom...
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Is it bad practice to make a setter return “this”?

...builder pattern or a fluent interface. It's also common in the Java API: String s = new StringBuilder().append("testing ").append(1) .append(" 2 ").append(3).toString(); share | improve this an...
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Is there a generator version of `string.split()` in Python?

string.split() returns a list instance. Is there a version that returns a generator instead? Are there any reasons against having a generator version? ...
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PHP, get file name without file extension

...was this downvoted? The answer is absolutely correct. pathinfo operates on strings, so it doesn't matter if the file is actually on the server or not. – Gordon Feb 2 '10 at 11:22 1...
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How can I remove a style added with .css() function?

... Changing the property to an empty string appears to do the job: $.css("background-color", ""); share | improve this answer | follow...
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Is a LINQ statement faster than a 'foreach' loop?

...am { public class Employee { public int id; public string name; public string lastname; public DateTime dateOfBirth; public Employee(int id,string name,string lastname,DateTime dateOfBirth) { this.id = id; this.name = n...
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How to make a in Bootstrap look like a normal link in nav-tabs?

...border: 0px; box-sizing: none; background-color: transparent; } Extra Styles Edit Add color: #337ab7; and :hover and :focus to match OOTB (bootstrap3) .remove_button_css:focus, .remove_button_css:hover { color: #23527c; text-decoration: underline; } ...