我有一根绳子:
const str = 'DELETE FROM "organization" WHERE "name" = $1 AND "metadata" = $2 AND "id" = $3';
我需要找到"metadata"单词来修改它。我只知道在= $2单词之后还有"metadata"。
const regex = RegExp(/ = $2/); // just to show what I have
const foundWord = someMagicWithReg
我试图查看Mac操作系统终端上的vm.max_map_count和fs.file-max命令输出。但不起作用。我能知道怎么看吗?
ProductName: Mac OS X
ProductVersion: 10.15.7
BuildVersion: 19H1323
$ sysctl vm.max_map_count
sysctl: unknown oid 'vm.max_map_count'
$ sysctl fs.file-max
sysctl: unknown oid 'fs.file-max'
还让我知道在Mac上永久设置这些值,我需要修改哪些文