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Should we pass a shared_ptr by reference or by value?
... slightly slower than plain old increment/decrement code, but is needed in order to be thread safe. Beyond that, the two methods are the same for most intents and purposes.
– Evan Teran
Jul 29 '10 at 2:02
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What is the difference between a 'closure' and a 'lambda'?
... )
OK, now it's time to solve the other mystery: what is a closure.
In order to do that, let's talk about symbols (variables) in lambda expressions.
As I said, what the lambda abstraction does is binding a symbol in its subexpression, so that it becomes a substitutible parameter. Such a symbol ...
Split files using tar, gz, zip, or bzip2 [closed]
... That works correctly only on NTFS and if the files are in NTFS sort order already. Try it on FAT or FAT32 = boom.
– Joshua
Sep 20 '13 at 20:27
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Can I zip more than two lists together in Scala?
...n you suggest an improved version that produces the output in the expected order? thanks
– fracca
Jun 12 '13 at 15:51
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How can I create Min stl priority_queue?
...;
}
4. Using custom structure or class you can use priority_queue in any order.
Suppose, we want to sort people in descending order according to their salary and if tie then according to their age.
struct people
{
int age,salary;
};
struct compare{
bool operator()(...
Throw an error in a MySQL trigger
... columns (idUser and idGuest) that must be mutually exclusive in the table orders, but i'm fairly new to triggers and i'm finding difficulties in writing it!Thx.
– Nicola Peluchetti
Mar 12 '11 at 14:44
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CSS3 background image transition
...ormal" state will be first child your container, or change the nth-child() order)
CSS2 solution http://jsfiddle.net/eD2zL/2/ (differences between are just a few selectors)
Basically, you need to hide "normal" state and show their "hover" when you hover it
and that's it, I hope somebody find it us...
Is it possible to use the SELECT INTO clause with UNION [ALL]?
...e you selected top 100? When we select all records it gives error as- "The ORDER BY clause is invalid in views, inline functions, derived tables, subqueries, and common table expressions, unless TOP or FOR XML is also specified. ". Please give some solution.
– ShaileshDev
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What is a good reason to use SQL views?
...most useful when you always need
to join the same set of tables say an
Order with an Order Detail to get
summary calculation fields etc.
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Do I need to heartbeat to keep a TCP connection open?
...rdless but yes it's often common to see protocols implement a heartbeat in order to help detect dead connections, IRC with the PING command for example.
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