These AWS EC2 tips and howtos was written mostly by me in 2009 when AWS was a only just out of public beta. Since then AWS has exploded into a huge ecosphere of services and tools. I consider these tips as still useful as an introductory and general advice, but some may be a bit o...
In Fig. 4, different percentage limits were shown by red color due to variation of AQIs parameter ranges for visualization. It is surprisingly found that all of the six air criteria indicators (AQI, PM 2.5, O3, CO, SO2 and NO2) have strongest rise in lag 2 during partial lockdown perio...
The rate of return in Shaanxi, another western province, was two percentage points lower than that of Sichuan. The rate of return migrants in Jilin was about 26.7 percent, which is the smallest in all four developing provinces. Lastly, the rate of return in Hebei was similar to that of ...
Char(compute='_compute_name') value = fields.Integer() @api.depends('value') def _compute_name(self): for record in self: record.name = "Record with value %s" % record.value Exercise Computed fields Add the percentage of taken seats to the Session model Display that field in the ...