LAN主题的文章列表，还有LAN的技术要点_第1页

ubuntu22.04安装 Fcitx5输入法，并解决 chrome启用wayland后无法输入中文问题。

一。chrome启用wayland:地址栏输入：chrome://flags/，搜索PreferredOzoneplatform，把PreferredOzoneplatform，设置为wayland.二。安装Fcitx5输入法.sudoapt-getinstallfcitx5fcitx5-frontend-gtk4fc...

开发笔记 ·2024-10-01

Golang数据类型转换

整数转字符串在Go语言中，我们可以使用strconv包中的Itoa函数将整数转换为字符串。以下是一个简单的例子：packagemainimport("fmt""strconv")funcmain(){variint=123str:=strconv.Itoa(i)fmt.Print...

开发笔记 ·2024-09-02

golang 如何遍历数组或切片？

在Go语言中，可以使用for循环遍历数组或切片。以下是遍历数组或切片的示例代码：1.遍历数组packagemainimport"fmt"funcmain(){//定义一个数组arr:=[5]int{1,2,3,4,5}//使用for循环遍历数组fori:=0;i<len(arr);i++{fmt.Println(...

开发笔记 ·2024-07-18

什么是VLAN，它有什么作用？

VLAN（VirtualLocalAreaNetwork）即虚拟局域网，是将一个物理的LAN在逻辑上划分成多个广播域的通信技术。每个VLAN是一个广播域，VLAN内的电脑间可以直接通信，而VLAN间则不能直接互通。同一个VLAN内的电脑通过以太网通信，而不同VLAN的电脑则需要通过路由器或者三层交换机等网络设备进行通信...

开发笔记 ·2024-01-30

Golang中实现除法取整的方法

方法一：使用类型转换一种简单的方法是使用类型转换将浮点数结果转换为整数。可以使用内置的int()函数来实现。以下是一个示例代码：packagemainimport"fmt"funcmain(){vardividend,divisorfloat64=10,3result:=int(dividend/divisor)fmt...

开发笔记 ·2024-01-29

ORA-29374: resource plan string in top-plan string has no plan directives

文档解释ORA-29374:resourceplanstringintop-planstringhasnoplandirectivesCause:Aplanwascreatedinthependingareathatisanorphanorstand-alone.Action:Createplandirectivesi...

IT技术学习 ·2023-07-28

ORA-19380: invalid plan filter

文档解释ORA-19380:invalidplanfilterCause:Theuserspecifiedaninvalidfilterfortheplanwhencallingtheselect_sqlsettablefunction.Action:Adjustthethefiltertobeoneofthefoll...

IT技术学习 ·2023-07-28

ORA-44701: Language not found for translation

文档解释ORA-44701:LanguagenotfoundfortranslationCause:Thedocumenthadmultipletranslationsandoneofthemdidnothavethexml:langattribute.Action:Alltranslationsmusthavethe...

IT技术学习 ·2023-07-27

ORA-31144: Implementation language for string is not specified

文档解释ORA-31144:ImplementationlanguageforstringisnotspecifiedCause:Implementationlanguageforspecifiedlistenersourcewasnotspecified.Action:Correctproblemandresubmi...

IT技术学习 ·2023-07-27

ORA-07457: cannot set _INTERNAL_RESOURCE_MANAGER_PLAN because of FORCE

文档解释ORA-07457:cannotset_INTERNAL_RESOURCE_MANAGER_PLANbecauseofFORCECause:Anattemptwasmadetosetthe_INTERNAL_RESOURCE_MANAGER_PLANparameter,howeverthisfailedbeca...

IT技术学习 ·2023-07-26

ORA-54517: outer ring is on the same plane and overlaps another outer ring

文档解释ORA-54517:outerringisonthesameplaneandoverlapsanotherouterringCause:Anouterringinacompositesurfacesharedacommonareawithanotherouterring.Action:Ensurethatnoo...

IT技术学习 ·2023-07-26

ORA-15250: insufficient diskgroup space for rebalance completion

文档解释ORA-15250:insufficientdiskgroupspaceforrebalancecompletionCause:Thecommandattemptedtoreducetheavailablediskgroupspacebelowthecurrentspaceused.Action:Consult...

IT技术学习 ·2023-07-26

ORA-29360: resource plan string contains multiple directives for subplan string

文档解释ORA-29360:resourceplanstringcontainsmultipledirectivesforsubplanstringCause:Aresourceplananditssubplanshadmorethanonedirectiveforaparticularsubplan.Action:M...

IT技术学习 ·2023-07-26

ORA-56706: The specified Resource Manager plan is a subplan and cannot be set as a top-level plan

文档解释ORA-56706:ThespecifiedResourceManagerplanisasubplanandcannotbesetasatop-levelplanCause:Anattemptwasmadetosetasubplanasatop-levelplan.Action:Donotattempttose...

IT技术学习 ·2023-07-26

ORA-15702: duplicate values for plan line ID in input collection

文档解释ORA-15702:duplicatevaluesforplanlineIDininputcollectionCause:AninvalidinputwasprovidedcontainingduplicatevaluesforplanlineIDscausingtheloadofthestatementtof...

IT技术学习 ·2023-07-26