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C pointer to array/array of pointers disambiguation
What is the difference between the following declarations:
13 Answers
13
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C++ const map element access
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Rather than insert a new default constructed element as operator[] does if an element with the given key does not exist, it throws a std::out_of_range exception. (This is similar to the behaviour of at() for deque and vector.)
Because of this behaviour it makes sense for there to be a const over...
WAMP 403 Forbidden message on Windows 7
...The rule to allow 'from 127.0.0.1' should be enough to allow local access, if that is the main objective here, the 127.0.0.1 is basically a loop back to the network adaptor. If you type in the address bar 'http'://127.0.0.1:{portNumber}/{folderOrFileName}' it should work fine. This should work the s...
Reverse / invert a dictionary mapping
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This'll work except that it won't work if there is not unicity in the values. In that case you'll loose some entries
– gabuzo
Oct 23 '17 at 16:28
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What does “WARN Could not determine content-length of response body.” mean and how to I get rid of i
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fyi, if the messages bother you, as a workaround you can use thin (add gem 'thin' to your gemfile, start your server using rails server thin). (oops, just noticed that @Scott Lowe already said this above.)
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How to get a float result by dividing two integer values using T-SQL?
Using T-SQL and Microsoft SQL Server I would like to specify the number of decimal digits when I do a division between 2 integer numbers like:
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How to pick just one item from a generator?
... would like an item, use
next(g)
(or g.next() in Python 2.5 or below).
If the generator exits, it will raise StopIteration. You can either catch this exception if necessary, or use the default argument to next():
next(g, default_value)
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What is the fastest way to send 100,000 HTTP requests in Python?
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How much faster can you go if you want to talk with the SAME server each time, by persisting the connection? Can this even be done across threads, or with one persistent connection per thread?
– mdurant
Jan 12 '15...
How do I edit an incorrect commit message with TortoiseGit?
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If the commit is the head of current branch, that is easy.
Context menu -> Git Commit
Tick "Amend Last Commit" checkbox
Correct your commit message
OK
If the commit is the head of other branch, switch to that branch fi...
Undefined reference to static class member
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I just spent a good bit of time figuring out that if the class definition is in a header file, then the allocation of the static variable should be in the implementation file, not the header.
– shanet
Jul 14 '12 at 3:06
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