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Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
...e an object.
Also IMO the code looks neater (see below).
Example:
A database object. To make sure the DB connection is used it must be opened and closed. By using RAII this can be done in the constructor/destructor.
C++ Like RAII
void someFunc()
{
DB db("DBDesciptionString");
// Use ...
Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading
...y S3 bucket
Then added a behavior for a default path to point to the S3 based origin I setup. What I also did was click on Whitelist headers and added Origin:
What happens now is the following, which I believe is right:
1) Check that S3 headers are being set correctly
curl -i -H "Origin: http...
Using Eloquent ORM in Laravel to perform search of database using LIKE
...
64
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...
Using current time in UTC as default value in PostgreSQL
...
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...
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 ...
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;
}...
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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
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