回答:delete t1From t1where id Not in (select Max(a.id) from t1 as a where t1. id=a. id group by a. name )
問題描述:2022-10-21 17:26:57`SEVERE`io.prometheus.jmx.shaded.io.prometheus.jmx.JmxCollector`io.prometheus.jmx.shaded.io.prometheus.jmx.JmxCollector collect`JMX scrape failed: java.io.IOException: Failed to retrieve RMIServer stub: javax.naming.NoIni...
回答:可以的,想知道會(huì)不會(huì)用到索引直接在語(yǔ)句前加上explain 關(guān)鍵字執(zhí)行下就知道了,我有發(fā)布過關(guān)于怎么建索引的文章你可以查看下就清楚了
回答:以oracle為例:SELECT * FROM(SELECT A.*, ROWNUM RNFROM (SELECT rs.student_id,count(1) FROM relationship rs group by rs.student_id order by count(1) desc) AWHERE ROWNUM = 0
問題描述:2022-12-01 14:49:28 [AsyncTask] Task Started: [usdp-slave1]初始化 Flink 配置文件TaskInfo:[ hostname: usdp-slave1, ipv4: ...
...就依賴這個(gè)文件,官方給的樣例文件: { version: 5.3.0, name: npm, description: a package manager for JavaScript, keywords: [ install, modules, package manager, package.json ], preferGlobal: true, config: { publishtes...
... #在Redis中設(shè)置值,默認(rèn)不存在則創(chuàng)建,存在則修改 r.set(name, zhangsan) 參數(shù): set(name, value, ex=None, px=None, nx=False, xx=False) ex,過期時(shí)間(秒) px,過期時(shí)間(毫秒) nx,如果設(shè)置為True,則只有name不存在時(shí),當(dāng)前...
ts中定義類 class Person{ name:string; //屬性 前面省略了public關(guān)鍵詞 constructor(n:string){ //構(gòu)造函數(shù) 實(shí)例化類的時(shí)候觸發(fā)的方法 this.name = n; } run():void{ alert(this.name); } } var p = new...
...引 切片 下面來詳細(xì)介紹下 ~ capitalize 字符串首字母大寫 name = xmzncc v = name.capitalize() print(v) casefold 將所有大寫變小寫(支持多種國(guó)家語(yǔ)言) name = Xmzncc v = name.casefold() print(v) lower 將大寫變成小寫(只支持英文) name = Xmzncc v = ...
...ata.js export function getStocks() { return [ { abbr: ADANIPORTS, name: Adani Ports & Special Economic Zone Ltd. }, { abbr: ASIANPAINT, name: Asian Paints Ltd. }, { abbr: AXISBANK, n...
...ata.js export function getStocks() { return [ { abbr: ADANIPORTS, name: Adani Ports & Special Economic Zone Ltd. }, { abbr: ASIANPAINT, name: Asian Paints Ltd. }, { abbr: AXISBANK, n...
...ata.js export function getStocks() { return [ { abbr: ADANIPORTS, name: Adani Ports & Special Economic Zone Ltd. }, { abbr: ASIANPAINT, name: Asian Paints Ltd. }, { abbr: AXISBANK, n...
增 增加一張表 CREATE TABLE `table_name`( ... )ENGINE=InnoDB DEFAULT CHARSET=utf8; 增加記錄 INSERT INTO `your_table_name`(`column_name`) VALUES (your_value_one), (your_value_two); 增加字段 ALTER TABLE `your_tabl...
...el: { plugins: [ [ component, { libraryName: element-ui, styleLibraryName: theme-chalk } ] ] } }, } 修改plugins/element-ui.js import Vue from vue...
...ctRedis(host=localhost, port=6379, db=0, password=foobared) redis.set(name, Bob) print(redis.get(name)) 在這里我們傳入了 Redis 的地址,運(yùn)行端口,使用的數(shù)據(jù)庫(kù),密碼信息。在默認(rèn)不傳的情況下,這四個(gè)參數(shù)分別為 localhost、6379、0、None。現(xiàn)在...
...批評(píng)指正~~ 傳統(tǒng)ES5語(yǔ)法 // 常規(guī)方法一 function Persion(name, age) { this.name = name; // this.key 賦值,則直接掛載到Persion實(shí)例 this.age = age; this.getInfo = function() { ...
...lass Text implements Cloneable{ ?? ? private int age; ?? ? private Name name; ?? ? public int getAge() { ? return age; ? } ?? ? public void setAge(int age) { ? this.age = age; ? } ?? ? public Name ...
ChatGPT和Sora等AI大模型應(yīng)用,將AI大模型和算力需求的熱度不斷帶上新的臺(tái)階。哪里可以獲得...
大模型的訓(xùn)練用4090是不合適的,但推理(inference/serving)用4090不能說合適,...
圖示為GPU性能排行榜,我們可以看到所有GPU的原始相關(guān)性能圖表。同時(shí)根據(jù)訓(xùn)練、推理能力由高到低做了...