used

ubuntu20.04调整swap空间大小

1.查看root@ubt01:~#free-m       total    used    free   shared buff/cache availableMem:     3908    3211
mnbwz·2023-09-15 09:08

开发过程中问题

1、数组并发修改导致的Causedby:java.util.ConcurrentModificationException问题https://www.cnblogs.com/myseries/p/10877420
卡卡的箱子·2023-09-15 08:36

[kubernetes/出错] kubectl 返回 The connection to the server 192.168.X.X:6443 was refused

问题描述[root@k8s-master~]#kubectl...Theconnectiontotheserver192.168.X.X:6443wasrefused-didyouspecifytherighthostorport
mathemagics·2023-09-15 06:51

Xilinx FPGA未使用管脚上下拉状态配置（ISE和Vivado环境）

右键点击GenerateProgrammingFile，选择ProcessProperties，在弹出的窗口选择ConfigurationOptions->UnusedPin，选择PullDown、PullUp
whik1194·2023-09-15 06:17

flink连接kafka报：org.apache.kafka.common.errors.TimeoutException: Timeout expired while fetching topic

报错信息Causedby:org.apache.flink.runtime.JobException:RecoveryissuppressedbyNoRestartBackoffTimeStrategyatorg.apache.flink.runtime.executiongraph.failover.flip1
未来的资深Java架构师·2023-09-15 06:16

Flutter基础

Drawer使用mainPage.dart//ignore_for_file:unused_import,prefer_const_constructors,prefer_const_literals_to_create_immutablesimport'package
泸州彭于晏·2023-09-15 06:44

zabbix 钉钉&微信&企微告警（动作&操作&消息内容模板）

一、环境配置1、配置zabbix服务端2、配置监控主机&监控项&监控模板zabbix配置安装_thispageisusedtotesttheproperoperationof_疯飙的蜗牛的博客-CSDN
疯飙的蜗牛·2023-09-15 05:49

mysql指令

droptabletable_name;2.查询表字段：selectCOLUMN_NAMEfrominformation_schema.COLUMNSwhereTABLE_NAME='table_name';参考链接3.切换数据库：usedatabase_name4
予非池物·2023-09-15 05:07

K8s下Java应用一点思考

K8s环境下，unusedcommittedmemory可以被共享吗？
Antz_H碎碎念·2023-09-15 05:42

python中glob库的用法

docs.python.org/2/library/glob.htmlTheglobmodulefindsallthepathnamesmatchingaspecifiedpatternaccordingtotherulesusedbytheUnixshell
DaxiaLeeSuper·2023-09-15 04:54

外交努力未能阻止俄乌冲突爆发

InDecember,BidenmetvirtuallywithPutininwhattheWhiteHousedescribedasa"momentofcrisis."
Sky008·2023-09-15 04:01

vue自定义指令

constodiv=el;//缓存clientXclientY的对象:用于判断是点击事件还是移动事件constclientOffset={};odiv.style.position="fixed";odiv.onmousedow
爱美丽007·2023-09-15 03:34

Otter同步报错 Caused by: java.lang.NoSuchFieldError: MYSQL

canal4:com.alibaba.otter.canal.parse.exception.CanalParseException:java.lang.NoSuchFieldError:MYSQLCausedby
龙叔的技术笔记·2023-09-15 03:09

蚕豆的ScalersTalk第五轮新概念朗读持续力训练Day 21 20191031

Aeroplanesareslowlydrivingmemad.Ilivenearanairportandpassingplanescanbeheardnightandday.Theairportwasbuiltyearsago,butforsomereasonitcouldnotbeusedthen.Lastyear
carlleton·2023-09-15 01:36

2020-11-20

OccasionallyIwanttolearnbutIcannotcalmdown.Iamsoconfused.Ifeelsofailure.Zfighting!Believeyourself.
轶伟·2023-09-15 00:15

Cryptographic primitives（密码原语）

Cryptographicprimitivesarefundamentalbuildingblocksoressentialcomponentsusedincryptography,thescienceofsecuringcommunicationanddata.Theseprimitivesarethefoundationuponwhichcryptographicsystemsandproto
fumingxiaoshen·2023-09-15 00:05

2018-02-12

Ihavetriedmybesttohelpthosewhotrulyneedit.BecauseI,myselfusedtohavemiserabletimesandknowhowitfeels.Yetitissosadtoseethatsometrytotakeadvantageorcheatintheendandthinkthatitisimpossiblethatlifegoesonifa
AliceYeshe·2023-09-14 23:53

mongodb语法以及springboot中操作mongodb数据库（query update Criteria的使用）

mongodb语法创建数据库：useDATABASE_NAME创建集合：db.createCollection("COLLECTION_NAME")插入数据：db.COLLECTION_NAME.insert
一只java小菜鸡·2023-09-14 23:58

oracle归档大,oracle归档日志满了的处理方法

/03/oracle10gecieif.html1.错误提示:ORA-19815:WARNING:db_recovery_file_dest_sizeof2147483648bytesis87.41%used
Neudel·2023-09-14 19:59

loadrunner error：27796解决方法

高并发场景以及高性能的服务器/负载机可能导致压测出现大量Error-27796:Failedtoconnecttoserver“10.2.9.147:80”:[10048]（服务器ip和端口），connectionrefused
觅梦_feng·2023-09-14 17:13

【TS报错】refers to a value, but is being used as a type here

https://stackoverflow.com/questions/62059408/reactjs-and-typescript-refers-to-a-value-but-is-being-used-as-a-type-here-ts
南乡人·2023-09-14 16:28

centos7安装安装Home Assistant,异常问题解决

1、Python版本不受支持，升级新版python到3.10以上SupportforrunningHomeAssistantinthecurrentusedPythonversion3.9.9isdeprecatedandwillberemovedinHomeAssistant2023.2
碧水天华·2023-09-14 15:13

VScode 配置代码提示

Placeyoursnippetsforhtmlhere.Eachsnippetisdefinedunderasnippetnameandhasaprefix,bodyand//description.Theprefixiswhatisusedtotriggerthes
K哇伊·2023-09-14 12:32

Django+celery开启时报错

django.db.utils.DatabaseError:DatabaseWrapperobjectscreatedinathreadcanonlybeusedinthatsamethread.Theobjectwithalias'default'wascreatedinthreadid1976720556800andthisisthreadid1976775359680
zuozhiji·2023-09-14 09:09

spring的autowiring(自动装配)

AutowiringinSpring.Autowiringfeatureofspringframeworkenablesyoutoinjecttheobjectdependencyimplicitly.Itinternallyusessetterorconstructorinjection.Autowiringcan'tbeusedtoinjectprimitiveandstringvalues
旋转马达·2023-09-14 09:48

python关键字

python3.3.2中的关键字如下：Thefollowingidentifiersareusedasreservedwords,orkeywordsofthelanguage,andcannotbeusedasordinaryidentifiers.Theymustbespelledexactlyaswrittenhere
进击的雷神·2023-09-14 09:38

最短路prim算法c语言,最短路-Prim算法 dijkstra算法

HDU-1233#include#defineINF1000000usingnamespacestd;intMap[][];boolNewNode[];boolOldNode[];boolUsedNode
YIDI's·2023-09-14 09:36

html SpeechSynthesis文字转语音

属性SpeechSynthesis也从它的父接口继承属性，EventTarget.SpeechSynthesis.paused只读当SpeechSynthesis处于暂停状态时，Bool
曉儂·2023-09-14 08:42

2021-03-31

andIwillsendouttheofficialinvitationtoalluserstoday.andtodayIwillcontinuetoworkonthePowerPointwhichwillbeusedontheme
幺幺是我·2023-09-14 06:07

SFTP速度慢的解决办法

resolv.confnameserver192.81.133.229nameserver114.114.114.114改成nameserver8.8.8.8nameserver8.8.8.8能明显快一些解决办法2：vi/etc/ssh/sshd_config中，更改以下：UseDNSnoGSSAPIAuthenticationno
cyw8998·2023-09-14 06:30

postgresql如何关闭自动提交设置

问题：代码运行报错：Causedby:org.postgresql.util.PSQLException:CannotcommitwhenautoCommitisenabled.解决方法：修改postgresql
那一抹阳光爱发呆·2023-09-14 03:01

nacos启动失败，Nacos Server did not start because dumpservice bean construction failure : No DataSource s

今天早上电脑重启，windows下的nacos启动时一直报:NacosServerdidnotstartbecausedumpservicebeanconstructionfailure:NoDataSourceset
001_memory·2023-09-14 03:00

buff/cache 占用过大

[[email protected]]#free-mtotalusedfreesharedbuff/cacheavailableMem:183918969909501477Swap:000[root
南有乔木_779f·2023-09-14 02:24

springboot启动redis报错

Causedby:org.springframework.data.redis.RedisConnectionFailureException:UnabletoconnecttoRedis;nestedexceptionisorg.springframework.data.redis.connection.PoolException
摇响檐下风铃·2023-09-14 01:32

vue项目element-ui组件打包后组件显示方框解决方式

/'//generateloaderstringtobeusedwithextracttextpluginfunctiongenerateLoa
十九楼的清风·2023-09-14 01:12

批量插入报错：Parameter ‘id‘ not found. Available parameters are [forlonList, param1]

项目场景：在开发中，需要通过批量插入，生成主键id，然后进行数据关联操作问题描述Causedby:org.apache.ibatis.executor.ExecutorException:Errorgettinggeneratedkeyorsettingresulttoparameterobject.Cause
程序员Forlan·2023-09-14 01:14

程序员面试金典16.20： T9键盘

映射如下图所示：示例：输入:num="8733",words=["tree","used"]输出:["tree","used"]输入:num="2",words=["a","b","c","d"]输出:
蛋堡\·2023-09-14 01:35

Material Design Components之MaterialButton的使用

App主题当APP的主题是Theme.AppCompat系列时是不能使用com.google.android.material.button.MaterialButton控件的，否则汇报一个异常：Causedby
blingbling_5a3f·2023-09-14 00:36

vue3项目中关于二进制导出（下载）txt ，适应于其他格式

导出接口方法：getExportListimport{tmUseDictApi}from'/@/api/dict';constgetExportList=tmUseDictApi().getExportList
xiaoming4965·2023-09-13 22:43

navicat报Too many connections解决办法

我已经修改过一次了)showvariableslike'%max_connections%';然后查看从这次mysql服务启动到现在，同一时刻并行连接数的最大值：showstatuslike'Max_used_connec
倾城00·2023-09-13 21:54

in golang, how many usages are there for pointer? and can you provide example for each of them?

InGo,pointershaveseveraluses.HerearesomecommonscenarioswherepointersareusedinGoalongwithexamples:1.
fyifei0558·2023-09-13 21:17

npm安装electron项目（RequestError: connect ECONNREFUSED 223.75.236.241:443）

解决方案1、npmconfigsetelectron_mirrorhttps://npmmirror.com/mirrors/electron/2、npminstall
俊哥哥来也·2023-09-13 19:09

使用数据库MySQL|Ubuntu环境 命令行

1.开始使用如何安装MySQL终端输入命令，输入密码登陆mysql-uroot-p进入mysql>状态几个命令(注意都有分号)//显示所有数据库SHOWDATABASES;//打开某个数据库USEDATABASES_name
Harold Whistler·2023-09-13 17:48

HDLBits在线练习题之Exams/ece241 2014 q7b

题目分析代码题目地址：HDLBits-Exams/ece2412014q7b详细：Froma1000Hzclock,derivea1Hzsignal,calledOneHertz,thatcouldbeusedtodriveanEnablesignalforasetofhour
小学鸡·2023-09-13 16:51

HDLBits—Exams/ece241 2014 q7b

依然是错题整理Froma1000Hzclock,derivea1Hzsignal,calledOneHertz,thatcouldbeusedtodriveanEnablesignalforasetofhour
柠檬酸～·2023-09-13 16:21

HDLbits Exams/ece241 2014 q7b

原题目Froma1000Hzclock,derivea1Hzsignal,calledOneHertz,thatcouldbeusedtodriveanEnablesignalforasetofhour
lit_sang·2023-09-13 16:50

关于事物默认使用JDK动态代理导致的错误

Transactional(rollbackFor=Exception.class)publicvoidsampleTaskManagement(){//.......}问题描述：在定时任务上加了事物注解报错Causedby
好美啊啊啊啊！·2023-09-13 16:13

MCU USB设备

1AMDam1861.1am186cuam186runs8086instructionset.am186ccmeanscommunicationscontroller,am186cumeanscommunicationsUSB.OnlytheUSBdataendpointscanbeusedwiththeSmartDMAcontroller.EndpointAmustbeconfiguredfor
SEP5010·2023-09-13 13:01

Calling startActivity() from outside of an Activity

android.util.AndroidRuntimeException:CallingstartActivity()fromoutsideofanActivityCausedby:android.util.AndroidRuntimeException
在下陈小村·2023-09-13 12:29

内置数据结构、函数和文件

Whileadd-onlibrarieslikepandasandNumPyaddadvancedcomputationalfunctionalityforlargerdatasets,theyaredesignedtobeusedtogetherwithPython
Kayla_Smith·2023-09-13 12:10
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