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我被困了一下午,试图在 Android Studio 中再次运行我的小型 Android/Kotlin 应用程序。贴在这个问题主题上的消息突然让我失望了。
我做了这些尝试:
1 - 冷启动(在虚拟设备屏幕 > 操作 > 现在冷启动)
2 - 我删除了我以前的虚拟设备并下载了一个新设备(Nexus One)
3 - 我遵循了 other stackoverflow answer 的所有步骤
3.1
cd C:\Users\Jimis\AppData\Local\Android\Sdk\platform-tool
adb kill-server
adb.exe start-server
adb devices -l
Microsoft Windows [versão 10.0.18363.836]
(c) 2019 Microsoft Corporation. Todos os direitos reservados.
C:\Users\Jimis>netstat -ano -p tcp |find "5037"
TCP 127.0.0.1:5037 0.0.0.0:0 LISTENING 11492
TCP 127.0.0.1:5037 127.0.0.1:50582 ESTABLISHED 11492
TCP 127.0.0.1:50582 127.0.0.1:5037 ESTABLISHED 10052
C:\Users\Jimis>netstat -ano -p tcp |find "5037"
TCP 127.0.0.1:5037 0.0.0.0:0 LISTENING 11492
TCP 127.0.0.1:5037 127.0.0.1:50582 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50714 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50731 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50734 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50736 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50737 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:50738 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50739 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50740 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50741 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50742 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50743 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50744 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50745 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50746 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50747 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50748 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50749 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50750 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50751 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50752 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50753 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50754 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50755 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50756 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50757 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50758 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50759 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:50760 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50761 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50762 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50763 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50764 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50765 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50766 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50767 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50768 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50769 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:50770 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50771 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50772 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50773 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50779 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:50780 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:50781 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:50782 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:50783 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:50784 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:50785 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:50786 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:50787 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:50788 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:50789 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:50790 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:50791 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50792 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:50793 ESTABLISHED 11492
TCP 127.0.0.1:5037 127.0.0.1:50794 ESTABLISHED 11492
TCP 127.0.0.1:50582 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50714 127.0.0.1:5037 ESTABLISHED 792
TCP 127.0.0.1:50717 127.0.0.1:5037 TIME_WAIT 0
TCP 127.0.0.1:50719 127.0.0.1:5037 TIME_WAIT 0
TCP 127.0.0.1:50722 127.0.0.1:5037 TIME_WAIT 0
TCP 127.0.0.1:50729 127.0.0.1:5037 TIME_WAIT 0
TCP 127.0.0.1:50731 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50734 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50736 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50738 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50739 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50740 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50741 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50742 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50743 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50744 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50745 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50746 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50747 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50748 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50749 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50750 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50751 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50752 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50753 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50754 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50755 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50756 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50757 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50758 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50760 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50761 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50762 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50763 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50764 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50765 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50766 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50767 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50768 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50770 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50771 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50772 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50773 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50791 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50793 127.0.0.1:5037 ESTABLISHED 10052
TCP 127.0.0.1:50794 127.0.0.1:5037 ESTABLISHED 10052
C:\Users\Jimis>
...
TCP 127.0.0.1:5037 SPANOT149:0 LISTENING
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50582 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50714 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50731 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50734 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50736 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50738 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50739 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50740 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50741 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50742 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50744 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50745 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50746 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50747 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50748 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50750 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50751 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50753 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50756 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50757 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50760 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50761 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50762 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50763 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50764 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50765 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50766 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50767 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50768 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50770 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50772 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50773 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50793 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50797 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:50955 ESTABLISHED
[adb.exe]
TCP 127.0.0.1:5037 orionhost:51276 ESTABLISHED
[adb.exe]
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
apply plugin: 'com.google.gms.google-services'
android {
compileSdkVersion 29
buildToolsVersion "29.0.3"
android {
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
}
defaultConfig {
applicationId "com.mycomp.appfirestore"
minSdkVersion 16
targetSdkVersion 29
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.72"
implementation 'androidx.appcompat:appcompat:1.1.0'
implementation 'androidx.core:core-ktx:1.2.0'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
testImplementation 'junit:junit:4.13'
androidTestImplementation 'androidx.test.ext:junit:1.1.1'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
// Firebase Libraries
implementation 'com.google.firebase:firebase-core:17.4.2'
implementation 'com.google.firebase:firebase-auth:19.3.1'
implementation 'com.google.firebase:firebase-database:19.3.0'
implementation 'com.google.firebase:firebase-storage:19.1.1'
implementation 'com.squareup.retrofit2:retrofit:2.9.0'
implementation 'com.squareup.retrofit2:converter-gson:2.9.0'
implementation 'com.squareup.okhttp3:logging-interceptor:4.7.2'
}
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
ext.kotlin_version = '1.3.71'
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.6.3'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
classpath 'com.google.gms:google-services:4.3.3'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
google()
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
Android Studio 4.0
Build #AI-193.6911.18.40.6514223, built on May 20, 2020
Runtime version: 1.8.0_242-release-1644-b01 amd64
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
Windows 10 10.0
GC: ParNew, ConcurrentMarkSweep
Memory: 1237M
Cores: 8
Registry: ide.new.welcome.screen.force=true
Non-Bundled Plugins:
Vulkan = off
GLDirectMem = on
C:\Users\Cast>netstat -ano | findstr "5037"
TCP 127.0.0.1:5037 0.0.0.0:0 LISTENING 11880
TCP 127.0.0.1:5037 127.0.0.1:54602 ESTABLISHED 11880
TCP 127.0.0.1:54602 127.0.0.1:5037 ESTABLISHED 348
Emulator: emulator: ERROR: AdbHostServer.cpp:102: Unable to connect to adb daemon on port: 5037
Emulator: socketTcpLoopbackClientFor: error: fd 56668 above FD_SETSIZE (32768)
C:\Users>netstat -ano | findstr "5037"
TCP 127.0.0.1:5037 0.0.0.0:0 LISTENING 11880
TCP 127.0.0.1:5037 127.0.0.1:54602 ESTABLISHED 11880
TCP 127.0.0.1:5037 127.0.0.1:54631 ESTABLISHED 11880
TCP 127.0.0.1:5037 127.0.0.1:54643 ESTABLISHED 11880
TCP 127.0.0.1:5037 127.0.0.1:54647 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:54648 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:54649 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:54650 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:54662 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:54663 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:54665 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:54666 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:54667 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:54668 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:54669 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:54670 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:54671 ESTABLISHED 11880
TCP 127.0.0.1:5037 127.0.0.1:54672 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:54673 ESTABLISHED 11880
TCP 127.0.0.1:5037 127.0.0.1:54674 TIME_WAIT 0
TCP 127.0.0.1:54602 127.0.0.1:5037 ESTABLISHED 348
TCP 127.0.0.1:54631 127.0.0.1:5037 ESTABLISHED 5224
TCP 127.0.0.1:54634 127.0.0.1:5037 TIME_WAIT 0
TCP 127.0.0.1:54636 127.0.0.1:5037 TIME_WAIT 0
TCP 127.0.0.1:54639 127.0.0.1:5037 TIME_WAIT 0
TCP 127.0.0.1:54641 127.0.0.1:5037 TIME_WAIT 0
TCP 127.0.0.1:54643 127.0.0.1:5037 ESTABLISHED 348
TCP 127.0.0.1:54671 127.0.0.1:5037 ESTABLISHED 348
TCP 127.0.0.1:54673 127.0.0.1:5037 ESTABLISHED 348
C:\Users>
01/06/2020
00:08 Gradle sync started
00:08 * daemon not running; starting now at tcp:5037
00:08 * daemon started successfully
00:08 Gradle sync finished in 2 s 418 ms (from cached state)
00:08 Executing tasks: [:app:assembleDebug] in project C:\WSs\FireStoreDemos\AppFirestore
00:08 Emulator: socketTcpLoopbackClientFor: error: fd 56296 above FD_SETSIZE (32768)
00:08 Emulator: socketTcpLoopbackClientFor: error: fd 56296 above FD_SETSIZE (32768)
00:08 Emulator: emulator: ERROR: AdbHostServer.cpp:102: Unable to connect to adb daemon on port: 5037
00:08 Emulator: socketTcpLoopbackClientFor: error: fd 56668 above FD_SETSIZE (32768)
00:08 Emulator: socketTcpLoopbackClientFor: error: fd 56668 above FD_SETSIZE (32768)
00:08 Emulator: socketTcpLoopbackClientFor: error: fd 56928 above FD_SETSIZE (32768)
00:08 Emulator: socketTcpLoopbackClientFor: error: fd 56928 above FD_SETSIZE (32768)
00:08 Gradle build finished in 19 s 659 ms
00:08 Install successfully finished in 584 ms.: App restart successful without requiring a re-install.
C:\Users\>netstat -ano | findstr "5037"
TCP 127.0.0.1:5037 127.0.0.1:54643 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:54671 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:54673 TIME_WAIT 0
TCP 127.0.0.1:5037 127.0.0.1:55204 TIME_WAIT 0
TCP 127.0.0.1:54602 127.0.0.1:5037 TIME_WAIT 0
TCP 127.0.0.1:54631 127.0.0.1:5037 TIME_WAIT 0
C:\Users\>netstat -ano | findstr "5038"
TCP 127.0.0.1:5038 0.0.0.0:0 LISTENING 7912
TCP 127.0.0.1:5038 127.0.0.1:55238 ESTABLISHED 7912
TCP 127.0.0.1:55238 127.0.0.1:5038 ESTABLISHED 11368
最佳答案
这可能是权限不足造成的。以管理员身份运行 Android Studio 或您的命令提示符(无论您喜欢哪个),这应该可以解决您的问题。
关于android - 模拟器 : emulator: ERROR: AdbHostServer. cpp:102:无法连接到端口上的 adb 守护程序:5037,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/62094629/
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有没有更好的方法将字符串 vector 转换为字符 vector ,字符串之间的终止符为零。 因此,如果我有一个包含以下字符串的 vector "test","my","string",那么我想接收一
我正在编写一个库,它不断检查 android 设备的连接,并在设备连接、断开连接或互联网连接变慢时给出回调。 https://github.com/muddassir235/connection_ch
我的操作系统:Centos 7 + CLOUDLINUX 7.7当我尝试从服务器登录Mysql时 [root@server3 ~]# Mysql -u root -h localhost -P 330
我收到错误:Puma 发现此错误:无法打开到本地主机的 TCP 连接:9200(连接被拒绝 - 连接(2)用于“本地主机”端口 9200)(Faraday::ConnectionFailed)在我的
请给我一些解决以下错误的方法。 这是一个聊天应用....代码和错误如下:: conversations_controller.rb def create if Conversation.bet
我想将两个单元格中的数据连接到一个单元格中。我还想只组合那些具有相同 ID 的单元格。 任务 ID 名称 4355.2 参与者 4355.2 领袖 4462.1 在线 4462.1 快速 4597.1
我经常需要连接 TSQL 中的字段... 使用“+”运算符时 TSQL 强制您处理的两个问题是 Data Type Precedence和 NULL 值。 使用数据类型优先级,问题是转换错误。 1)
有没有在 iPad 或 iPhone 应用程序中使用 Facebook 连接。 这个想法是登录这个应用程序,然后能够看到我的哪些 facebook 用户也在使用该应用程序及其功能。 最佳答案 是的。
我在连接或打印字符串时遇到了一个奇怪的问题。我有一个 char * ,可以将其设置为字符串文字的几个值之一。 char *myStrLiteral = NULL; ... if(blah) myS
对于以下数据 - let $x := "Yahooooo !!!! Select one number - " let $y := 1 2 3 4 5 6 7 我想得到
我正在看 UDEMY for perl 的培训视频,但是视频不清晰,看起来有错误。 培训展示了如何使用以下示例连接 2 个字符串: #!usr/bin/perl print $str = "Hi";
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