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Where to put include statements, header or source?
...fic requirements that you #include a certain set of headers (in a specific order). Some extremely traditional C programmers still follow this model (religiously, in at least some cases).
More recently, there's a movement toward making most headers standalone. If that header requires something else,...
Advantages of std::for_each over for loop
..._each could be useful, especially if you have several functions to call in order but need to run each method for all objects before next... but maybe that's just me. ;)
Update 2: I've written my own one-liner wrappers of stl-algos that work with ranges instead of pair of iterators. boost::range_ex, ...
Should I use Vagrant or Docker for creating an isolated environment? [closed]
... same file system.
You can use Dockerfile with the docker build command in order to handle the provisioning and configuration of your container. You have an example at docs.docker.com on how to make your Dockerfile; it is very intuitive.
The only reason you could want to use Vagrant is if you need ...
How do I access the host machine from the guest machine? [closed]
...restart)
I found that I had to switch the connection setting on VMWare in order to restart the connection before these settings worked for me. I hope this helps.
Metadata file '.dll' could not be found
...boxes are checked, uncheck them, check again and try to build again.
Build Order and Project Dependencies:
Go to 'Solution Explorer'. Right click on Solution. Go to 'Project Dependencies...'. You will see two tabs: 'Dependencies' and 'Build Order'. This build order is the one in which solution buil...
Java ArrayList - how can I tell if two lists are equal, order not mattering?
...ighly better solution is to first check if they are the same length before ordering, if they are not, then they are not equal, then sort, then use equals. For example if you had two lists of Strings it would be something like:
public boolean equalLists(List<String> one, List<String> tw...
Circular list iterator in Python
... print item,
Output:
a b c a b c ...
(Loops forever, obviously)
In order to manually advance the iterator and pull values from it one by one, simply call next(pool):
>>> next(pool)
'a'
>>> next(pool)
'b'
...
Can I set up HTML/Email Templates with ASP.NET?
...fit of this approach is consistency. For example, you could show a user an order summary and include exactly the same thing in the confirmation email by reusing the same control.
– Mun
Mar 26 '09 at 21:19
...
SQL Server: Difference between PARTITION BY and GROUP BY
... group by modifies the entire query, like:
select customerId, count(*) as orderCount
from Orders
group by customerId
But partition by just works on a window function, like row_number:
select row_number() over (partition by customerId order by orderId)
as OrderNumberForThisCustomer
from Order...
Closing Database Connections in Java
...nnection, you need to explicitly close it by calling its close() method in order to release any other database resources (cursors, handles, etc) the connection may be holding on to.
Actually, the safe pattern in Java is to close your ResultSet, Statement, and Connection (in that order) in a finall...