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What exactly is a C pointer if not a memory address?
... emulate a 32-bit machine on a physical 16-bit machine and you extend your 64KB of RAM to up to 4GB by using disk storage and implement 32-bit pointers as offsets into a huge file. Those pointers aren't real memory addresses.
– Alexey Frunze
Mar 1 '13 at 9:20
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How to determine if a point is in a 2D triangle? [closed]
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Yes, my point is that any criticism of your method based on the computational cost of solving the equation system is unfounded, since that doesn't have to be done as part of the algorithm.
– andreasdr
Jan 19 '13 at 15:43
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Meaning of acronym SSO in the context of std::string
...on't pay for what you don't use.
First, consider the naive implementation based on what I outlined above:
class string {
public:
// all 83 member functions
private:
std::unique_ptr<char[]> m_data;
size_type m_size;
size_type m_capacity;
std::array<char, 16> m_sso;
}...
Using current time in UTC as default value in PostgreSQL
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now() returns a value of type timestamp (just what we need) with your database's default time zone attached (e.g. 2018-11-11T12:07:22.3+05:00).
timezone('UTC', now()) turns our current time (of type timestamp with time zone) into the timezonless equivalent in UTC.
E.g., SELECT timestamp with time z...
Using Eloquent ORM in Laravel to perform search of database using LIKE
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If you need to frequently use LIKE, you can simplify the problem a bit. A custom method like ()...
记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...解决:
MongoDB按需自动生成数据文件:先是<DB>.0,大小是64M,然后是<DB>.1,大小翻番到128M,到了<DB>.5,大小翻番到2G,其后的数据文件就保持在2G大小。为了避免可能出现的问题,可以采用事先手动创建数据文件的策略:
#!/bin...
How do I clear a search box with an 'x' in bootstrap 3?
...s intent was to pass a truthy paramter to hide() to start off hidden/shown based on if the input has a value already. If that was the intent, he failed (hide always hides). It should be $(".clearer").toggle(!!$(this).prev('input').val());
– Jeff Shepler
Jun 10 ...
MsDeploy is returning 403 forbidden
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What is SOA “in plain english”? [closed]
...m). Or if they do share state, that state is carefully locked up in a database which is itself an agent and which can easily manage multiple concurrent clients.
share
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Applying function with multiple arguments to create a new pandas column
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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