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LINQ's Distinct() on a particular property
...m and pick a winner out of the group.
List<Person> distinctPeople = allPeople
.GroupBy(p => p.PersonId)
.Select(g => g.First())
.ToList();
If you want to define groups on multiple properties, here's how:
List<Person> distinctPeople = allPeople
.GroupBy(p => new {p.Pe...
Cmake doesn't find Boost
...hat CMake sets BOOST_INCLUDE_DIR, BOOST_LIBRARYDIR and BOOST_ROOT automatically. Do something like this in CMakeLists.txt:
FIND_PACKAGE(Boost)
IF (Boost_FOUND)
INCLUDE_DIRECTORIES(${Boost_INCLUDE_DIR})
ADD_DEFINITIONS( "-DHAS_BOOST" )
ENDIF()
If boost is not installed in a default locatio...
How to empty a Heroku database
...
Thank you. Actually, "heroku pg:reset --db SHARED_DATABASE_URL" did the trick. But you got me going in the right direction.
– Jay Godse
Mar 17 '11 at 22:17
...
Working copy locked error in tortoise svn while committing
... thanks @MicroEyes...now i'm able to commit. I just have one small doubt. After making changes to a file, should i first commit and then update the file (in working copy) or update and then commit?
– Anil
Aug 1 '12 at 18:58
...
Are fluid websites worth making anymore? [closed]
...d(er) to read when lines are very long.
Your audience may have larger or smaller resolutions than normal, and picking an 'incorrect' static width will annoy them.
Maintaining a fluid site can be, but doesn't have to be much more difficult than its static counterpart.
...
How to create a directory in Java?
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-1: That is actually a really bad technique to create a directory. The access to the FS is not reserved to a dedicated resource. Between if(!theDir.exists()) and theDir.mkdir() the status could have changed, as well as it could change in bet...
Why doesn't the JVM cache JIT compiled code?
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I would personally be fine with a "just persist the JIT profiling information between runs" option with all the warnings that "this will only be valid with exact same JVM, same data etc and otherwise ignored". Regarding why this has not b...
Why not to deploy on a Friday? [closed]
... monitoring that there aren't performance issues.
A new release will generally mean a brief spike of support activity - so scheduling that to happen when there are fewer people available (or when there's more resentment of time taken up) is a bad idea.
...
How to cherry pick only changes for only one file, not the whole commit
...ry-pick -n, i.e. without committing it, edit the commit (for example reset all files using git reset -- . and only add the file you actually want to change using git add <filename>). Or you could create the diff for the file and apply the diff then:
git diff <branch>^..<branch> --...
How to force push a reset to remote repository?
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The message means that you're not allowed to do non-fast-forward push.
Your remote repository has most likely denyNonFastforwards = true in its config. If you change that, git push --force should work.
To change the setting, you need access to the machine w...