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How to get number of entries in a Lua table?
... 9 are valid results for #t. The only sane way to use it is with arrays of one contiguous part without nil values.
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How do I use PHP to get the current year?
...y of having to localize your application. If that's not an issue, pick the one you like best.
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Why should I use Deque over Stack?
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For one thing, it's more sensible in terms of inheritance. The fact that Stack extends Vector is really strange, in my view. Early in Java, inheritance was overused IMO - Properties being another example.
For me, the crucial wor...
java.util.regex - importance of Pattern.compile()?
...rn object. So the question is really, why should you call it explicitly? One reason is that you need a reference to the Matcher object so you can use its methods, like group(int) to retrieve the contents of capturing groups. The only way to get ahold of the Matcher object is through the Pattern o...
mmap() vs. reading blocks
...e.
Memory maps allow you to keep using pages from the cache until you are done. This means that if you use a file heavily for a long period of time, then close it and reopen it, the pages will still be cached. With read, your file may have been flushed from the cache ages ago. This does not apply...
How can I tell if one commit is a descendant of another commit?
With Git, how can I tell if one commit in my branch is a descendant of another commit?
8 Answers
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How to check if a string contains an element from a list in Python
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this one is clever - I didn't know tuples could do that!, but it only works when your substring is anchored to one end of the string.
– Dannid
Nov 8 '16 at 17:38
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Getting the first index of an object
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If you know that the object has only one element, then you do know the order.
– danorton
Sep 24 '10 at 6:44
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How can I remove a trailing newline?
...trip() method strips all kinds of trailing whitespace by default, not just one newline as Perl does with chomp.
>>> 'test string \n \r\n\n\r \n\n'.rstrip()
'test string'
To strip only newlines:
>>> 'test string \n \r\n\n\r \n\n'.rstrip('\n')
'test string \n \r\n\n\r '
There a...
Member '' cannot be accessed with an instance reference
...es are shared between all instances of their class, so that they only have one value. The way it's defined now, there is no point in making any instances of your MyItem class.
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