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Where to put include statements, header or source?
...There's been quite a bit of disagreement about this over the years. At one time, it was traditional that a header only declare what was in whatever module it was related to, so many headers had specific requirements that you #include a certain set of headers (in a specific order). Some extremely tra...
What's the difference between IQueryable and IEnumerable
...if you don't call a ToList() or ToArray() then query will be executed each time it is used, so, say, you have an IQueryable and you fill 4 list boxes from it, then the query will be run against the database 4 times.
Also if you extend your query:
q.Select(x.name = "a").ToList()
Then with an IQue...
How do I configure a Python interpreter in IntelliJ IDEA with the PyCharm plugin?
...a way to have two intepreters, one for python and one for java at the same time? Meaning I dont have to switch back and forth.
– David Williams
Apr 19 '15 at 3:13
13
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.gitignore and “The following untracked working tree files would be overwritten by checkout”
... any effect on your working copy and it will just mark as removed the next time you commit. After the files are removed from the repo then the .gitignore will prevent them from being added again.
But you have another problem with your .gitignore, you are excessively using wildcards and its causing ...
What's the difference between a catalog and a schema in a relational database?
...kept.
In other words, the catalog contains detailed information (sometimes called descriptor information or metadata) regarding the various objects that are of interest to the system itself.
For example, the optimizer uses catalog information about indexes and other physical storage struc...
How to parse an RSS feed using JavaScript?
...pi I used this source code on my own server. I encourage you to spend some time in performing some checks before posting.
– gouessej
Jun 28 at 8:39
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How to specify new GCC path for CMake
...th/to/your/project
make
The export only needs to be done once, the first time you configure the project, then those values will be read from the CMake cache.
UPDATE: longer explanation on why not overriding CMAKE_C(XX)_COMPILER after Jake's comment
I recommend against overriding the CMAKE_C(XX...
Selecting data from two different servers in SQL Server
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will this method work all the time ? what are the scenarios where it could fail ?
– Steam
Jan 14 '14 at 21:50
3
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How to create local notifications?
How can I setup local notifications so that at the time I set, my app generates a notification/alert with a customized message?
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Rails :include vs. :joins
...user information for sorting purposes, etc it will work fine and take less time than :include, but say you want to display the comment along with the users name, email, etc. To get the information using :joins, it will have to make separate SQL queries for each user it fetches, whereas if you used ...