你能给我解释一下如何为数据库配置设置端口号吗:classMY_ModelextendsCI_Model{protectedstatic$db2_loaded=false;protectedstatic$db2=false;function__construct(){parent::__construct();if(($this->session->userdata('login_user')!=false)&&!self::$db2_loaded){self::$db2_loaded=true;$config['hostname']="localhost";$config['usern

你能给我解释一下如何为数据库配置设置端口号吗:classMY_ModelextendsCI_Model{protectedstatic$db2_loaded=false;protectedstatic$db2=false;function__construct(){parent::__construct();if(($this->session->userdata('login_user')!=false)&&!self::$db2_loaded){self::$db2_loaded=true;$config['hostname']="localhost";$config['usern

几天前，我从MySQL数据库中收到以下错误:Threadstackoverrun:68744bytesusedofa196608bytestack,and128000bytesneeded.Use'mysqld-Othread_stack=#'tospecifyabiggerstack.我找到的所有文档都说:Thedefaultis64KBbeforeMySQL4.0.10and192KBthereafter.Ifthethreadstacksizeistoosmall,itlimitsthecomplexityoftheSQLstatementsthattheservercanhan

几天前，我从MySQL数据库中收到以下错误:Threadstackoverrun:68744bytesusedofa196608bytestack,and128000bytesneeded.Use'mysqld-Othread_stack=#'tospecifyabiggerstack.我找到的所有文档都说:Thedefaultis64KBbeforeMySQL4.0.10and192KBthereafter.Ifthethreadstacksizeistoosmall,itlimitsthecomplexityoftheSQLstatementsthattheservercanhan

我在升级最新的androidstudio稳定版后发现了这个警告错误:无法解析配置“:app:xxxxxxxDebugCompileClasspath”的所有文件。Failedtotransformfile'commons-lang-2.4.jar'tomatchattributes{artifactType=android-classes}usingtransformJarTransformTransformoutputfilexxxxxxx/xxxxxxx/xxxxxxx/app/commons-lang-2.4.jardoesnotexist.这里是gradle和gradlewra

我在升级最新的androidstudio稳定版后发现了这个警告错误:无法解析配置“:app:xxxxxxxDebugCompileClasspath”的所有文件。Failedtotransformfile'commons-lang-2.4.jar'tomatchattributes{artifactType=android-classes}usingtransformJarTransformTransformoutputfilexxxxxxx/xxxxxxx/xxxxxxx/app/commons-lang-2.4.jardoesnotexist.这里是gradle和gradlewra

我已经在android6中构建了我的应用程序，没有任何错误，但是当我在android4.4.2中构建我的应用程序时，我得到了这个错误Thisapphasbeenbuiltwithanincorrectconfiguration.PleaseconfigureyourbuildforVectorDrawableCompat.andthisismygradle:android{compileSdkVersion24buildToolsVersion"23.0.0"defaultConfig{applicationId"com.faranegar.channel"minSdkVersion1

我已经在android6中构建了我的应用程序，没有任何错误，但是当我在android4.4.2中构建我的应用程序时，我得到了这个错误Thisapphasbeenbuiltwithanincorrectconfiguration.PleaseconfigureyourbuildforVectorDrawableCompat.andthisismygradle:android{compileSdkVersion24buildToolsVersion"23.0.0"defaultConfig{applicationId"com.faranegar.channel"minSdkVersion1

我不得不重新安装我的系统，今天当我尝试与gradle同步时，我在AndroidStudio中遇到了这个错误:Warning:Unabletofindoptionallibrary:org.apache.http.legacy我的项目等级是:buildscript{repositories{mavenCentral()}dependencies{classpath'com.android.tools.build:gradle:1.3.0'}}allprojects{repositories{mavenCentral()}}还有我的模块gradle:applyplugin:'android

我不得不重新安装我的系统，今天当我尝试与gradle同步时，我在AndroidStudio中遇到了这个错误:Warning:Unabletofindoptionallibrary:org.apache.http.legacy我的项目等级是:buildscript{repositories{mavenCentral()}dependencies{classpath'com.android.tools.build:gradle:1.3.0'}}allprojects{repositories{mavenCentral()}}还有我的模块gradle:applyplugin:'android