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What can be the reasons of connection refused errors?
... not specifying the port number when binding or connecting in network byte order...
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C++ Const Usage Explanation
... Method3) you read back-and-forth from left-to-right-back-to-left, etc. in order to decode naming conventions. So const int* const Method3(const int* const&) const is a class method that doesn't change any class members (of some un-named class) and takes a constant reference to a pointer that p...
What is the difference between an int and a long in C++?
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Including something on the relative size-wise order of the types yields way more information than enumerating sizes for different platforms - like @Kevin states so nicely. (-1vote)
– xtofl
Nov 7 '08 at 12:43
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Is there a performance difference between i++ and ++i in C++?
...forms deep copies. In such cases, there is no argument, ++i is perhaps an order of magnitude more efficient than i++. They key is to get in the habit of using pre-increment whenever post-increment semantics are not actually required by your algorithm, and you'll then be in the habit of writing cod...
Is < faster than
...ere the most significant optimisations lie, perform those optimisations in order of significance and profile again along the way to measure progress...
– autistic
Jun 10 '13 at 2:52
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Why can Java Collections not directly store Primitives types?
...efficient access would require keeping both arrays sorted based on the key order to allow binary searching, which in turn would make insertion and deletion inefficient unless the insertion/deletion is patterned such that inserted items are likely to end up where a previously deleted item was and/or ...
Library? Static? Dynamic? Or Framework? Project inside another project
...A Framework embodies some abstract design, with more behavior built in. In order to use it you need to insert your behavior into various places in the framework either by subclassing or by plugging in your own classes. The framework's code then calls your code at these points. The main control of th...
How to use GROUP BY to concatenate strings in SQL Server?
...putid, SCHME + ' ('+DESCR+')', rn=ROW_NUMBER() over (PARTITION by outputid order by schme, descr)
from @t
)
,cte2(outputid,finalstatus,rn)
as
(
select OUTPUTID, convert(varchar(max),combined), 1 from cte where rn=1
union all
select cte2.outputid, convert(varchar(max),cte2.finalstatus+', '+cte.comb...
One line ftp server in python
...assuming your Python distribution would have some third-party libraries in order to achieve the "one liner python ftpd" goal, but that is not the case of what @zio was asking. Also, SimpleHTTPServer involves web broswer for downloading files, it's not quick enough.
Python can't do ftpd by itself,...
How to convert a normal Git repository to a bare one?
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That rm command may need * \.[!.]* rather than * in order to remove dot-files and dot-directories.
– minopret
Aug 27 '12 at 18:25
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