大约有 47,000 项符合查询结果（耗时：0.1239秒） [XML]
How does LMAX's disruptor pattern work?
...erstand there is a ring buffer involved, that it is initialized as an extrem>me m>ly large array to take advantage of cache locality, eliminate allocation of new m>me m>mory.
...
Why does pthread_cond_wait have spurious wakeups?
To quote the man page:
4 Answers
4
...
Is gcc 4.8 or earlier buggy about regular expressions?
I am trying to use std::regex in a C++11 piece of code, but it appears that the support is a bit buggy. An example:
3 Answe...
Performance of foreach, array_map with lambda and array_map with static function
What's the performance difference (if there is any) between these three approaches, both used to transform an array to another array?
...
How do exceptions work (behind the scenes) in c++
...actually look at the generated code with a small piece of C++ code and a som>me m>what old Linux install.
class MyException
{
public:
MyException() { }
~MyException() { }
};
void my_throwing_function(bool throwit)
{
if (throwit)
throw MyException();
}
void another_function();
void ...
How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
What are all the ways of affecting where Perl modules are searched for?
or, How is Perl's @INC constructed ?
3 Answers
...
Does PostgreSQL support “accent insensitive” collations?
In Microsoft SQL Server, it's possible to specify an "accent insensitive" collation (for a database, table or column), which m>me m>ans that it's possible for a query like
...
How to access property of anonymous type in C#?
...
If you want a strongly typed list of anonymous types, you'll need to make the list an anonymous type too. The easiest way to do this is to project a sequence such as an array into a list, e.g.
var nodes = (new[] { new { Checked = false, /* etc */ } }).ToList();
Th...
prototype based vs. class based inheritance
In JavaScript, every object is at the sam>me m> tim>me m> an instance and a class. To do inheritance, you can use any object instance as a prototype.
...
Disable assertions in Python
...
How do I disable assertions in Python?
There are multiple approaches that affect a single process, the environm>me m>nt, or a single line of code.
I demonstrate each.
For the whole process
Using the -O flag (capital O) disables all assert statem>me m>nts in a process.
For example...