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creating
iOS 使用 dispatch_once 创建线程安全的单例
使用dispatch_once创建单例
Creating
singletonsusingdispatch_once无论喜欢与否,有时你确实需要使用单例。
太阳火神的美丽人生
·
2020-06-21 07:51
平台-iOS
<=即时总结=>
语言-C_C++_OC
结构测试(白盒测试) 路径测试和数据流测试
结构性测试主要用于软件验证:arewe
creating
asystemcorrectly?功能性测试是一种确认技术;arewe
creating
acorrectsystem?
Jector7
·
2020-06-21 05:14
软件测试
Read book: Zero to One
ZeroTooneThisbookisgenerallytalkingabouthowtofoundastartup,theauthorcomparedsuccessfulcompanies'foundinghistoryandfigurethatwhen
creating
anewcompanyweshouldn'tjustcopythefoundingprocessoftheothercompan
tellmetiger
·
2020-06-21 05:22
Cause: java.lang.ClassNotFoundException: Cannot find class: BaseResultMap
org.springframework.beans.factory.UnsatisfiedDependencyException:Error
creating
beanwithname'userController
猫苘
·
2020-06-21 04:46
springboot
Java
RobotFramework之DateTime
DateTimeisaRobotFrameworkstandardlibrarythatsupports
creating
andconvertingdateandtimevalues(e.g.GetCurrentDate
点点寒彬
·
2020-06-21 04:43
python pandas10分钟入门
weimportasfollowsIn[1]:importpandasaspdIn[2]:importnumpyasnpObjectCreationSeetheDataStructureIntrosection
Creating
aSeriesbypassingal
overstack
·
2020-06-21 04:48
python/java
【译】
Creating
a Markdown editor/previewer in Electron and Vue.js
使用Electron编写桌面应用程序是迄今为止我在职业生涯中使用过的最简单,最令人愉快的GUI应用程序工具包。Electron是Atom,VisualStudioCode,Slack桌面客户端,Postman,GitKraken和Etcher等流行应用程序中使用的工具包。每个都是功能强大,高性能,跨平台的应用程序,具有丰富的用户体验,为用户提供卓越的功能,每个平台上具有相同的用户界面界面,同时正确
Omni-Space
·
2020-06-21 04:09
Electron
SSH搭建时的错误之(1) Error
creating
bean with name 'testService' defined in class path resource
Exceptionsendingcontextinitializedeventtolistenerinstanceofclassorg.springframework.web.context.ContextLoaderListenerorg.springframework.beans.factory.BeanCreationException:Error
creating
beanwithname't
luansj
·
2020-06-21 03:43
数据库
ssh
virtio前端驱动能够通知后端的原理
通知的函数是调用调用关系virtqueue_kick-->virtqueue_notify-->vp_notify/*thenotifyfunctionusedwhen
creating
avirtqueue
kklvsports
·
2020-06-21 02:23
虚拟化
【头马领导力】
Creating
the Best Club Climate(ALB-1)
1.pngDearmembersanddistinguishedguests,IamElena.Tonight,Iamgoingtodeliverthisworkshop:
Creating
theBestClubClimate2
李之琴
·
2020-06-21 00:03
select_related & prefetch_related
/#django.db.models.query.QuerySet.select_relatedDifferencesbetweenthetwoofthem:select_relatedworksby
creating
anSQLjoinandincluding
whenitsallover
·
2020-06-20 23:25
collection view 3
creating
customlayouts1:要继承UICollectionViewLayout,这里面的方法核心任务是以下两点:#指明滚动区域的尺寸。
轻云绿原
·
2020-06-20 23:40
机器学习干货贴
1.KaggleEnsemblingGuide摘要:
Creating
ensemblesfromsubmissionfilesVotingensembles.AveragingRa...2.
ABC080914
·
2020-06-20 21:12
redis启动异常:#
Creating
Server TCP listening socket 127.0.0.1:6379: bind: No error
解决方法:D:\ProgramFiles\Redis>redis-cli.exe127.0.0.1:6379>shutdownnotconnected>exit三步搞定,然后重新启动redis成功。(启动redis之前先确认切换到redis的安装目录,如果配置了环境变量可以忽略。)
一只键盘侠
·
2020-06-18 11:55
redis
Creating
and deleting branches within your repository
Creating
anddeletingbrancheswithinyourrepositoryYoucancreateordeletebranchesdirectlyonGitHub.Inthisarticle
Creating
abranchDeletingabranchFurtherreadingWereyouabletofindwhatyouwerelookingfor
功夫 熊猫
·
2020-06-16 00:00
抽象工厂模式
抽象工厂模式(AbstractFactoryPattern)定义:Provideaninterfacefor
creating
familiesofrelatedordependentobjectswithoutspecifyingtheirconcreteclasses
meigang
·
2020-06-11 10:00
sparkStreaming 消费kafka0_10版本 demo
官网介绍http://spark.apache.org/docs/2.3.0/streaming-kafka-0-10-integration.html#
creating
-a-direct-stream
彬在俊
·
2020-06-10 09:00
Goland编译报错:go:
creating
work dir: mkdir C:\WINDOWS\go-build3xxxx: Access is denied.
使用命令行编译确保go环境正常点击编辑器绿色三角旁的editconfigurations,runkind修改为file不选package
lavins
·
2020-06-09 15:00
解决问题--docker: Error response from daemon: error while
creating
mount source path '/data/xxx': mkd...
nameoyente-v/data/oyente:/root/jar-i-tdongzhensong/autoals:v2docker:Errorresponsefromdaemon:errorwhile
creating
mountsourcepath
dongzhensong
·
2020-06-08 14:58
Flutter Weekly Issue 58
教程逆向Flutter应用进展汇总|Flutter精彩不停,与您同在插件creditcard-sliderDartpackagefor
creating
acreditcardsliderflutter-orientationAFlutterpluginfordevice'sorientationflutter-responsive-tabsAresponsivetabsdemoattwodiffer
inferjay
·
2020-06-05 04:30
android
Flutter Weekly Issue 58
教程逆向Flutter应用进展汇总|Flutter精彩不停,与您同在插件creditcard-sliderDartpackagefor
creating
acreditcardsliderflutter-orientationAFlutterpluginfordevice'sorientationflutter-responsive-tabsAresponsivetabsdemoattwodiffer
脉脉不得語
·
2020-06-03 23:00
dart基础---->dart语法入门
Dartisanopensource,structuredprogramminglanguagefor
creating
complex,browser-basedwebapplications.firstdartdemomain
huhx
·
2020-06-03 22:00
pytorch IndexError: invalid index of a 0-dim tensor. Use tensor.item() to convert a 0-dim tensor to
pytorch1.1.0报错:$shexperiments/webface/res50-bs64-sz224-ep35/train.sh
Creating
modelon[4]gpus:0,1,2,3OriginSize
qxqxqzz
·
2020-06-01 15:46
#
DL-报错
#
CV-基础
Python
springboot主程序启动报错:inMemoryDatabaseShutdownExecutor报错
报错日志如下org.springframework.beans.factory.UnsatisfiedDependencyException:Error
creating
beanwithname'inMemoryDatabaseShutdownExecutor'definedinclasspathresource
Yluozi
·
2020-06-01 14:34
React配置多页应用打包失败,报错Cannot read property 'filter' of undefined解决方案
起因最近再做一个react的多页应用,在修改过webpack的entry及HtmlWebpackPlugin等配置后,进行打包测试,运行npmrunbuild后控制台报错:
Creating
anoptimizedproductionbuild
再次重逢的时间
·
2020-05-31 14:41
react.js
Elasticsearch 7.x 深入【1】索引【二】创建
1.借鉴极客时间阮一鸣老师的Elasticsearch核心技术与实战官方文档
creating
_an_index官方文档mapping官方文档multi-fields2.开始创建索引在前面,我们知道了什么是
孙瑞锴
·
2020-05-31 03:05
如何在LOL中成功制造一颗飞弹?
RiotGameVFX首席艺术家Beardilocks原文链接:https://realtimevfx.com/t/anatomy-of-a-league-of-legends-missile-part-1-
creating
-areas-of-focus
GameRes游资网
·
2020-05-29 00:00
org.springframework.beans.factory.BeanCurrentlyInCreationException
错误代码如下:org.springframework.beans.factory.BeanCurrentlyInCreationException:Error
creating
beanwithname'vou
长歌怀采薇
·
2020-05-26 14:00
使用@Async导致BeanCurrentlyInCreationException的解决办法和原理,spring不支持的循环引用
场景描述:springboot项目启动的时候报错:org.springframework.beans.factory.BeanCurrentlyInCreationException:Error
creating
beanwithname'messageService
挡不住的柳Willow
·
2020-05-20 08:22
安卓hello wolrd【未成功】
1从https://developer.android.google.cn/training/basics/firstapp/
creating
-project下载androidstudio,一路next
pu369com
·
2020-05-15 19:00
从DevSecOps的兴起小议基础安全攻防未来的演进趋势
2012年,Gartner通过一份研究报告“DevOpsSec:
Creating
theAgileTriangle.”提出了DevSecOps的概念。
郑瀚Andrew.Hann
·
2020-05-14 11:00
翻译Metal文章:
Creating
and Sampling Textures
前言翻译Metalsamplecode:
Creating
andSamplingTextures,项目下载地址概览使用纹理在Metal中绘制和处理图像。纹理是纹理元素的结构化集合,通常称为纹理或像素。
LikeHeiDi
·
2020-05-13 22:46
Redis服务器启动问题之
Creating
Server TCP listening socket 127.0.0.1:6379: bind: No error
作者:IrainQQ:2573396010微信:18802080892启动Redis服务器时的问题解决方法#解决方法,依次输入以下命令1.redis-cli.exe2.shutdown3.exit4.redis-server.exeredis.windows.conf解决方法参考链接:https://cloud.tencent.com/developer/article/1147381发布:202
Irain_Luo
·
2020-05-12 13:34
Softwares
给人看的Kotlin设计模式——简单工厂
给人看的Kotlin设计模式目录概念简单工厂模式相对正式的定义:Inobject-orientedprogramming(OOP),afactoryisanobjectfor
creating
otherobjects–formallyafactoryisafunctionormethodthatreturnsobjectsofavaryingprototypeorclassfromsomemetho
珞泽珈群
·
2020-05-09 10:47
Error
creating
bean with name 'eurekaAutoServiceRegistration': Singleton bean creation not 的解决办法
问题概述在项目中使用SpringBoot+SpringCloud进行开发的,在集成Eureka注册中心时报错,项目启动不起来,“Error
creating
beanwithname'eurekaAutoServiceRegistration
csdn-华仔
·
2020-05-08 23:56
Spring
Cloud
进阶之路
英语流利说懂你英语 Level5 Unit3 Part2 Listening - The Circulatory system 1
showshowaprocessbeginsandends,andthestepsinbetween.Theprocesscanbeofalmostanykind,frommanufacturingatireto
creating
anadvertisement.Therefore
wxl_dl
·
2020-05-08 16:52
设计模式之抽象工厂模式(Abstract Factory)
概述TheAbstractFactoryprovidesaninterfacefor
creating
familiesofrelatedordependentobjectswithouttheneedtospecifytheirconcreteclasses
杨斌_1024
·
2020-05-07 22:51
Creating
Server TCP listening socket 127.0.0.1:6379: bind: No error
问题启动redis-server.exe出现下面的错误
Creating
ServerTCPlisteningsocket127.0.0.1:6379:bind:Noerror解决方案按顺序输入下列命令即可
Samdom
·
2020-05-04 00:59
Redis
Ceph PG状态及故障模拟
PlacementGroupStates(PG状态)
creating
Cephisstill
creating
theplacementgroup.Ceph仍在创建PG。
Darren_Wen
·
2020-04-30 11:02
ceph
pg
pg状态
pg故障修复
ceph研发
curl扩展post请求http接口报错:failed
creating
formpost data
项目里面调用另一个http接口的时候,一直返回false,不明所以使用curl_error($ch)查看错误信息,返回的错误信息是:failed
creating
formpostdata搜索了一番信息后,
陶士涵
·
2020-04-29 16:00
iOS review系列之UIViewController
iOSreview系列之使用SeguesiOSreview系列之自定义转场动画iOSreview系列之PresentingaViewControlleriOSreview系列之
Creating
CustomPresentationsUIViewController
Jimmy_L_Wang
·
2020-04-29 14:53
解决SpringBoot整合Mybatis扫描不到Mapper的问题
Exceptionencounteredduringcontextinitialization-cancellingrefreshattempt:org.springframework.beans.factory.UnsatisfiedDependencyException:Error
creating
SU坡馒
·
2020-04-26 10:02
Django文档阅读-Day2
Django文档阅读-Day2目录Django文档阅读-Day2WritingyourfirstDjangoapp,part1
Creating
aprojectThedevelopmentserver
Creating
thePollsappWriteyourfirstviewWritingyourfirstDjangoapp
coderchen01
·
2020-04-23 23:00
文明的另一种可能1:经济危机
本篇基于阅读:Re
creating
EconomicsbasedonBitcoin12:2020.4.6~4.10学到的概念:1.经济危机在现有经济学体系下无法避免,究竟是哪里出了问题呢
牛头酋长
·
2020-04-21 23:37
Vue入门1 脚手架篇
脚手架篇VueCLI官方创建项目的文档https://cli.vuejs.org/zh/guide/
creating
-a-project.html#vue-create安装npminstall@vue/
老奶瓶
·
2020-04-21 23:39
jupyter修改文件名方式(TensorFlow)
1.选择文件2.修改文件名称补充知识:没用root权限启动jupyternotebook后,文件创建被denied错误:
Creating
NotebookFailed解决方法:sudochown[普通用户名
wyx100
·
2020-04-21 15:08
给人看的Kotlin设计模式——工厂方法
Inclass-basedprogramming,thefactorymethodpatternisacreationalpatternthatusesfactorymethodstodealwiththeproblemof
creating
objectswithouthavingtospecifytheexactclassoftheo
珞泽珈群
·
2020-04-20 22:54
必杀技:当报错信息看不出原因时,怎么办?
直接上图吧,下面是报错信息:为了方便查看,我把最重要的信息提取出来,如下:org.springframework.beans.factory.BeanCreationException:Error
creating
beanwi
猿天地
·
2020-04-19 21:00
LLDB 的使用
Listdebuggercommandsrelatedtoawordorsubject.breakpoint--Commandsforoperatingonbreakpoints(see'helpb'forshorthand.)bugreport--Commandsfor
creating
domain-specificbugreports.comm
iChuck
·
2020-04-14 18:39
Manager
/***Responsiblefor
creating
andmanaging'Request'objects,aswellastheirunderlying'NSURLSession'.
幸运的小强本人
·
2020-04-14 16:39
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