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C++ map access discards qualifiers (const)
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std::map's operator [] is not declared as const, and cannot be due to its behavior:
T& operator[] (const Key& key)
Returns a reference to the value that is mapped to a key equivalent to key, performing insertion if such key does not already exist.
As a r...
How to insert a newline in front of a pattern?
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This works in bash and zsh, tested on Linux and OS X:
sed 's/regexp/\'$'\n/g'
In general, for $ followed by a string literal in single quotes bash performs C-style backslash substitution, e.g. $'\t' is translated to a literal tab. Plus, sed ...
How to split a comma-separated value to columns
...his should not be the accepted answer... A multi-statement TVF (very bad!) and a WHILE loop (even worse) together will perform awfully. Besides, this is a code-only answer and does not even solve the issue There are much better approaches around! For SQL-Server 2016+ look for STRING_SPLIT() (which d...
Best way to compare 2 XML documents in Java
...tion that basically translates a custom message format into an XML message and sends it out the other end. I've got a good set of input/output message pairs so all I need to do is send the input messages in and listen for the XML message to come out the other end.
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How to get the difference between two arrays in JavaScript?
... Just to be clear, this implements the symmetric difference of a1 and a2, unlike the other answers posted here.
– 200_success
Dec 13 '13 at 1:19
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Overflow to left instead of right
...e number as the user types it. The text inside the div is aligned to right and incoming characters are added to right as the text grows to left.
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Why can't we have static method in a (non-static) inner class?
... I know an inner class is associated with an instance of its outer class and I know that it's kinda useless that we become able to declare static members within an inner class but I am still asking why not an inner class can declare static members?
– Kareem
S...
How to deal with INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES without uninstall?
...r developer's machine). Or, the old one is signed with your production key and the new one is signed with your debug key.
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sed beginner: changing all occurrences in a folder
I need to do a regex find and replace on all the files in a folder (and its subfolders). What would be the linux shell command to do that?
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How to solve Permission denied (publickey) error when using Git?
I'm on Mac Snow Leopard and I just installed git .
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