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Checking if a field contains a string
...ext searching of a field and you have a large number of documents, I would tokenize the text for more efficient queries. You could use multikeys for a simple full-text search, or perhaps build an inverted index as a separate collection. For infrequent searches or a small collection of documents, s...
How to debug Lock wait timeout exceeded on MySQL?
...---------------
BUFFER POOL AND MEMORY
----------------------
Total memory allocated 18909316674; in additional pool allocated 1048576
Dictionary memory allocated 2019632
Buffer pool size 1048576
Free buffers 175763
Database pages 837653
Modified db pages 6
Pending reads 0
Pending write...
App Inventor 2 上传文件和图片到服务器教程 · App Inventor 2 中文网
... next(err);
try { save(Buffer.isBuffer(req.body) ? req.body : Buffer.alloc(0), res); } catch (error) { next(error); }
});
}
});
app.post(['/upload_base64.php', '/upload_base64'], express.text({type: () => true, limit: '28mb'}), (req, res) => {
const raw = typeof req.body === 'string' ?...
Tetris-ing an array
...nes[$n][$i]) {
// we've found a difference between current token
// stop search:
return $max;
}
}
if($lines[0][$i] == $delim) {
// we've found a complete token:
$max = $i + 1;
}
}
retu...
How to link a Facebook app with an existing fan page
...the solution. List Applications installed on Page: /[PAGE_ID]/tabs/ access_token: [PAGE_ACCESS_TOKEN] List of application managed by user: /me/applications/developer
– Łukasz Jagodziński
Jul 14 '13 at 9:04
...
How to get share counts using graph API
...2.2/?id=http://www.MY-LINK.com&fields=og_object{engagement}&access_token=<access_token>
Result:
{
"og_object": {
"engagement": {
"count": 93,
"social_sentence": "93 people like this."
},
"id": "801998203216179"
},
"id": "http://techcrunch.com/2015/04...
Run JavaScript code on window close or page refresh?
... from sending your request to something like http://example.com/script.php?token=something&var1=val1&var2=val2 thus putting those values into GET.
– Mike
May 15 '19 at 22:36
...
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...e enough (512M) memory for the InnoDB buffer pool:
Fatal error: cannot allocate memory for the buffer pool
That begs three questions:
How much memory is on your instance? Should there be enough memory to accommodate the 512M InnoDB is trying to grab for the buffer pool, plus everything else...
Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?
...o be spent by CPU bound operations. Furthermore, on applications that only allocate a limited number of threads (like it is the case with web applications), asynchronous I/O prevents thread pool thread depletion, which can happen if performing I/O calls synchronously.
So, async HttpClient is not a ...
How to enable CORS in AngularJs
...ing the bellow code will resolves the issue.
Here I have disabled the csrf token that doesn't matter enable/disable according to your requirement.
@SpringBootApplication
public class SupplierServicesApplication {
public static void main(String[] args) {
SpringApplication.run(SupplierS...