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Do I cast the result of malloc?
...bits of your returned address. Note: as of C99 implicit functions are gone from C, and this point is no longer relevant since there's no automatic assumption that undeclared functions return int.
As a clarification, note that I said "you don't cast", not "you don't need to cast". In my opinion, it...
What does the question mark and the colon (?: ternary operator) mean in objective-c?
... [NSString stringWithFormat: @"Status: %@", statusString] This saves you from having to use and release local variables in if-else patterns. FTW!
– Bruno Bronosky
May 6 '10 at 15:52
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Back to previous page with header( “Location: ” ); in PHP
... in production when I had to get something done for a demo. As you can see from my answer, I provide three other solutions I would turn to instead of the redirection based on HTTP_REFERER.
– Dimitry
Mar 13 '11 at 16:00
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Overwriting my local branch with remote branch [duplicate]
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git reset --hard origin/branch
be careful, this will remove any changes from your working tree!
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How can I launch Safari from an iPhone app?
... might be a rather obvious question, but can you launch the Safari browser from an iPhone app?
7 Answers
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What would cause an algorithm to have O(log n) complexity?
...e you see an O(log n) algorithm... where on earth does that logarithm come from? However, it turns out that there's several different ways that you can get a log term to show up in big-O notation. Here are a few:
Repeatedly dividing by a constant
Take any number n; say, 16. How many times can y...
Class with Object as a parameter
...as
class Foo(Base1, Base2):
Foo is being declared as a class inheriting from base classes Base1 and Base2.
object is the mother of all classes in Python. It is a new-style class, so inheriting from object makes Table a new-style class.
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StringUtils.isBlank() vs String.isEmpty()
...ull). This is totally different than just checking if the string is empty.
From the linked documentation:
Checks if a String is whitespace, empty ("") or null.
StringUtils.isBlank(null) = true
StringUtils.isBlank("") = true
StringUtils.isBlank(" ") = true
StringU...
What is the fastest way to compare two sets in Java?
...a boolean, not another Set. The elements in secondSet are actually removed from firstSet and true is returned if a change has been made.
– Richard Corfield
Oct 21 '12 at 20:30
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php check if array contains all array values from another array
I would like to find out if $all contains all $search_this values and return true or false. any idea please?
5 Answers
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