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Where and why do I have to put the “template” and “typename” keywords?
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(See here also for my C++11 answer)
In order to parse a C++ program, the compiler needs to know whether certain names are types or not. The following example demonstrates that:
t * f;
How should this be parsed? For many languages a compiler doesn't need to know the meaning of a name in order to...
How to check if a stored procedure exists before creating it
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How to sort git tags by version string order of form rc-X.Y.Z.W?
When I enter a command:
7 Answers
7
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Creating an R dataframe row-by-row
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It'd be better to edit the answer than leave it in the comments. I was confused trying to grok this answer.
– User
Mar 13 '12 at 17:07
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How to have TFS 2010 detect changes done to files outside of Visual Studio?
... to go ahead and check the file out before editing it, either using the tf command line client, or using the Windows Explorer shell integration that's available in the TFS Power Tools release. (Plus an increasing number of other tools have TFS integration that makes this automatic, but if you're ju...
PHP append one array to another (not array_push or +)
How to append one array to another without comparing their keys?
12 Answers
12
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How to use ConcurrentLinkedQueue?
...e instance (queue), so you can synchronize on queue to ensure atomicity of composite operations (as explained by Jared). You CANNOT do this with a ConcurrentLinkedQueue, as all operations are done WITHOUT locking on the instance (using java.util.concurrent.atomic variables). You will NOT need to do ...
What special characters must be escaped in regular expressions?
...regex flavor you're working with.
For PCRE, and most other so-called Perl-compatible flavors, escape these outside character classes:
.^$*+?()[{\|
and these inside character classes:
^-]\
For POSIX extended regexes (ERE), escape these outside character classes (same as PCRE):
.^$*+?()[{\|
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How do I merge changes to a single file, rather than merging commits?
...I need to merge just file f of branch B into file f of branch A.
A simple command already solved the problem for me if I assume that all changes are committed in both branches A and B:
git checkout A
git checkout --patch B f
The first command switches into branch A, into where I want to merge B...