WebПрисвоение значения nil глобальным переменным или переменным в таблице эквивалентно их удалению. Это можно увидеть, выполнив следующий код: tab1 = { key1 = "val1", key2 = "val2", "val3" } for k, v in pairs(tab1) do print(k .. " - " .. v) end tab1.key1 = nil for k, v in pairs(tab1) do print(k .. " - " .. WebFeb 16, 2024 · "key1" => "val1", " key2" => "val2", " key3" => "val3" } Here i want to remove spaces in all fields. I tried with trim_key => "\s" in kv filter. still no luck. Please help to remove spaces in all logstash fields if there is any other approach. magnusbaeck (Magnus Bäck) February 16, 2024, 1:47pm #2 Have you tried field_split => ", " ?
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WebOct 19, 2024 · spop key随机出栈smove key1 key2将key1里的某个值赋给key2sdiff key1 key2在第一个set里面而不在后面任何一个set里面的项sinter key1 key2在两个set中都有 … WebGeneral Information. We use three kinds of cookies on our websites: required, functional, and advertising. You can choose whether functional and advertising cookies apply. eugene pratt beecher community schools
루아 데이터 유형
Webtab1 = { key1 = "val1", key2 = "val2", "val3" } for k, v in pairs (tab1) do print (k .. " - " .. v) end tab1.key1 = nil for k, v in pairs (tab1) do print (k .. " - " .. v) end nil 作比较时应该加上双引号 " : > type (X) nil > type (X)==nil false > type (X)=="nil" true > type (X)==nil 结果为 false 的原因是 type (X) 实质是返回的 "nil" 字符串,是一个 string 类型: Webtab1 = { key1 = "val1", key2 = "val2", "val3" } for k, v in pairs (tab1) do print (k .. " - " .. v) end tab1.key1 = nil for k, v in pairs (tab1) do print (k .. " - " .. v) end 부울 (부울) (false)를 참 (진실)과 거짓, 루아, "거짓"다른 "true"로 거짓과 전무에 : 부울 유형은 두 가지 값이 있습니다 : Webmy_list_complex: - key1: val1 key2: val2 key3: val3 keyN: valN - key1: val1 key3: val3 keyN: valN key2: default2 key3: default3 key4: default4 Мне нужно маппить … firma havit