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Easier way to debug a Windows service
...code than to start the service through the Windows Service Control Manager and then attaching the debugger to the thread? It's kind of cumbersome and I'm wondering if there is a more straightforward approach.
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Setting variable to NULL after free
...dangling pointer is accessed after it is freed, you may read or overwrite random memory. If a null pointer is accessed, you get an immediate crash on most systems, telling you right away what the error is.
For local variables, it may be a little bit pointless if it is "obvious" that the pointer isn...
What does “zend_mm_heap corrupted” mean
...on that I've never had before. I decided to check the Apache's error log, and I found an error message saying "zend_mm_heap corrupted". What does this mean.
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Is there a generator version of `string.split()` in Python?
...offset parameter of the str.find() method. This avoids lots of memory use, and relying on the overhead of a regexp when it's not needed.
[edit 2016-8-2: updated this to optionally support regex separators]
def isplit(source, sep=None, regex=False):
"""
generator version of str.split()
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Difference between Lookup() and Dictionary(Of list())
...trying to wrap my head around which data structures are the most efficient and when / where to use which ones.
6 Answers
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Why are functions in Ocaml/F# not recursive by default?
Why is it that functions in F# and Ocaml (and possibly other languages) are not by default recursive?
6 Answers
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Most efficient way to create a zero filled JavaScript array?
...ay(len).fill(0);
Not sure if it's fast, but I like it because it's short and self-describing.
It's still not in IE (check compatibility), but there's a polyfill available.
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postgresql COUNT(DISTINCT …) very slow
...ount int not null), using triggers. But your write performance will suffer and if you update multiple x values in single transaction then you'd need to do this in some explicit order to avoid possible deadlock.
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What's the UIScrollView contentInset property for?
...e what the contentInset property in a UIScrollView instance is used for? And maybe provide an example?
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Any difference between First Class Function and High Order Function
I'm wondering whether/what difference between First Class Function and High Order Function .
6 Answers
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