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When should I use a struct rather than a class in C#?
...llection);
And ...
4. Both structs store TKey and TValue, which we all know are quite capable of being reference types (added bonus info)
Hashed keys notwithstanding, dictionaries are fast in part because instancing a struct is quicker than a reference type. Here, I have a Dictionary<int, int...
Difference between rake db:migrate db:reset and db:schema:load
...ails 3.2.12:
I just checked the source and the dependencies are like this now:
db:create creates the database for the current env
db:create:all creates the databases for all envs
db:drop drops the database for the current env
db:drop:all drops the databases for all envs
db:migrate runs migrations...
Under what circumstances is an SqlConnection automatically enlisted in an ambient TransactionScope T
...t if not all answers on my own, since no one else replied. Please let me know if I've missed anything.
Q1. Yes, unless "enlist=false" is specified in the connection string. The connection pool finds a usable connection. A usable connection is one that's not enlisted in a transaction or one that'...
Differences between Emacs and Vim
...ftp client, tetris, ... whatnot in one package (emacs) made some sense ... nowadays, it doesn't anymore.
Both are however a topic of religious discussions among the programmer and superuser community users, and in that respect, both are excellent for starting flame wars if put in contact (in the sa...
Check if pull needed in Git
...they're equal, the branches are the same. If they're unequal, you want to know which is ahead of the other. Using git merge-base master origin/master will tell you the common ancestor of both branches, and if they haven't diverged this will be the same as one or the other. If you get three different...
Do you put unit tests in same project or another project?
...ct build processes like automated or continuous build.
I don't really know of any pros. Having an extra project (or 10) isn't a con.
Edit: More Info On Build and Shipping
I would further recommend that any automated build process place production and unit tests into different locations. Idea...
Java: Subpackage visibility?
....out.println(classInAInB.getData());
// Works: getDataAsBytes() is now accessible
System.out.println(Arrays.toString(classInAInB.getDataAsBytes()));
}
}
Note that this only works for protected members, which are visible to extending classes (inheritance), and not package-privat...
Reference requirements.txt for the install_requires kwarg in setuptools setup.py file
...'s the list of packages that we've gathered together and tested and that I now need to install".
The package author writes for a wide variety of scenarios, because they're putting their work out there to be used in ways they may not know about, and have no way of knowing what packages will be insta...
How can I determine the URL that a local Git repository was originally cloned from?
... After 5 years a lot has changed and this should be the accepted answer now. But maybe add the pre-2.7 syntax as well.
– msp
Dec 14 '15 at 8:17
...
If unit testing is so great, why aren't more companies doing it? [closed]
... company that I worked at was all about the unit testing (NUnit). I don't know that we were real sticklers for it back then -- I have no idea what our code coverage was like and I was writing most of the unit tests. Since then I've run into some companies that do lots of testing, but it's chair test...