ref: https://stackoverflow.com/questions/418898/sqlite-upsert-not-insert...

Py3 Note: this method is not working with URL like http://example.com?a=...

ref: https://www.postgresql.org/message-id/16186.1150464632@sss.pgh.pa.u...

Lambda Lambda in VPC can only access S3 and DynamoDB via VPC endpoint if...

Which is a file object, check this page for detail things.

嗯，最近在做ios，想把ver和build number放代码里，在SO上找到了这个办法，贴过来备存 ObjC的见原贴

Xcode的simulator支持location simulate，老版本的有一些内置的路径，但是新版本只支持单个点或者上传gpx文件。试着用...

Do not use time.sleep, or the whole program will be hang. Uses asyncio.s...