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Entity Framework - Start Over - Undo/Rollback All Migrations
...r, so is there a way to completely undo all migrations, erase the history, and delete the migration code, so I'm back to square one?
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Git rebase merge conflict cannot continue
...f so just skip it. If that isn't the case please post a copy of git status and I can try to help further.
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C++ preprocessor __VA_ARGS__ number of arguments
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This is actually compiler dependent, and not supported by any standard.
Here however you have a macro implementation that does the count:
#define PP_NARG(...) \
PP_NARG_(__VA_ARGS__,PP_RSEQ_N())
#define PP_NARG_(...) \
PP_ARG_N(__VA_ARGS__)
#...
Easy way to test a URL for 404 in PHP?
I'm teaching myself some basic scraping and I've found that sometimes the URL's that I feed into my code return 404, which gums up all the rest of my code.
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Executing multiple commands from a Windows cmd script
...form several tasks in series.
However, it always stops after the first command in the script.
8 Answers
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Android Replace “…” with ellipsis character
...ause it doesn't break ("..." might wrap around on e.g. the second period), and theoretically languages could render them differently (many asian languages put them in the middle and they're wider (matches a character width)). Non-breaking is useful everywhere, I'm not aware of Android rendering the...
Concept of void pointer in C programming
... is there is any way of generalizing a function which can receive pointer and store it in void pointer and by using that void pointer we can make a generalized function..
You cannot just dereference it in a portable way, as it may not be properly aligned. It may be an issue on some architectures ...
Is there a Rake equivalent in Python?
Rake is a software build tool written in Ruby (like Ant or Make ), and so all its files are written in this language. Does something like this exist in Python?
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Can you do a partial checkout with Subversion?
If I had 20 directories under trunk/ with lots of files in each and only needed 3 of those directories, would it be possible to do a Subversion checkout with only those 3 directories under trunk?
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SQL - HAVING vs. WHERE
...nce HAVING works correctly.
As a rule of thumb, use WHERE before GROUP BY and HAVING after GROUP BY. It is a rather primitive rule, but it is useful in more than 90% of the cases.
While you're at it, you may want to re-write your query using ANSI version of the join:
SELECT L.LectID, Fname, Lnam...