报错如下: Gradle sync failed: Could not run JVM from the selected JDK. Please ensure JDK installation is valid and compatible with the current OS (Windows 10 10.0, amd64). If you are using embedded JDK, please make sure to download Android Studio bundle…

直接在idea安装目录下运行idea.sh可以正常启动,但是使用ubuntu的dash搜索出来的idea报错,No JDK found. Please validate either IDEA_JDK, JDK_HOME or JAVA_HOME environment variable points to valid JDK installation. 意思是找不到JDK,但是实际上我在~/.bashrc下已经配置了JAVA_HOME环境变量,哎. 解决办法,直接配置/etc/environm…

出现这种错误一般是在电脑上用模拟器运行APK的吧. 可以在build.gradle中这样配置下: android{ ... defaultConfig { applicationId "XXXXXXX" minSdkVersion 11 targetSdkVersion 21 versionCode 126 versionName "1.2.6" ndk { //设置支持的SO库架构 abiFilters 'armeabi' //, 'x86', 'armeabi-…

Chapter 4. The class File Format Table of Contents 4.1. The ClassFile Structure 4.2. Names 4.2.1. Binary Class and Interface Names 4.2.2. Unqualified Names 4.2.3. Module and Package Names 4.3. Descriptors 4.3.1. Grammar Notation 4.3.2. Field Descript…

设置方法: 我的电脑->属性->高级->环境变量->系统变量中添加以下环境变量: JAVA_HOME值为:安装JDK的目录, 我的为C:\Program Files\Java\jdk1.8.0_05(安装时候有路径选择,复制下来即可) CLASSPATH值为:.;%JAVA_HOME%\lib\tools.jar;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\bin;(注意前面的".;"要加上,如果没有则新建) Path: 在开始追加 .…

P6 EPPM Installation and Configuration Guide 16 R1         April 2016 Contents About Installing and Configuring P6 EPPM ........................................................ 6 Prerequisites for P6 EPPM Configuration ...............................…

catalog . PCRE Introduction . pcre2api . pcre2jit . PCRE Programing 1. PCRE Introduction The PCRE library is a set of functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5. PCRE has its own native…

想学下android,在本来想用myeclipse安装下sdk和adt,谁知在官网看到http://developer.android.com/sdk/index.html Google I/O 2013 大会Android Studio预览版,又是基于Intellij IDEA,百度一下,以为很比eclipse快而且方便就用他了,所以下载了. 谁知可能是我的jdk的变量没有设置好吧,所以七月份的android-studio-bundle-130.737825-windows.exe的安装不了,…

一.系统参数设置: 1.64位IDEA:增加IDEA_JDK_64系统变量 2.32位IDEA:增加IDEA_JKD系统变量 如图: 二.参考说明 https://intellij-support.jetbrains.com/hc/en-us/articles/206544879-Selecting-the-JDK-version-the-IDE-will-run-under 详情如下: <product>.exe uses this JDK search sequence: IDEA_JDK…

Introduction Java is a programming technology originally developed by Sun Microsystems and later acquired by Oracle. Oracle Java is a proprietary implementation for Java that is free to download and use for commercial use, but not to redistribute, th…

This tutorial will guide you on how to install JDK (Java Development Kit) on Linux. Since I use Centos 5.4 x86_64 in everyday life, this guide is showing you how to install JDK in Centos 5.4 64bit. It must work in any other Linux distro such as Slack…

In the previous post,  I have introduced how to install hadoop on windows based system. Now, I will introduce how to install hbase on windows. 1. Preparation: before the installation, let's take a look at the hadoop-hbase suppot matrix below: you can…

issue 1: 新覆盖的opatch 提示,无法opatch 报错 此时不应有1.6 D:\app\Administrator\product\11.2.0\dbhome_1\OPatch\ocm\bin\emocmrsp.bat 提示java_home环境变量配置有问题. 1.从如下2方面着手 1).将uat 的PATH,jave_home.JAVA* 变量copy 到prod. 2).根据文档OUI and OPatch Do Not Recognize JDK/JRE on Window…

Mac 电脑虚拟机 Parallels 中进行Oracle 12.2.0.1 数据库软件安装时,预环境检查过程中,提示堆栈大小限制[失败],即使修复问题依然如故. Oracle 12.2.0.1 Installation Fails With "PRVG-0449 : Proper soft limit for maximum stack size was not found on node "node1" [Expected >= "10240"…

人机交互的图形化界面(GUI) 命令行方式(CLI  command line interface) JDK有不同的版本(linux,mac os, windows) Java 的跨平台性. 软件放到系统中,系统中应该解析该软件的程序. 为什么用一个c++写的软件可以再windows中直接运行呢? 因为Windows本身就是用c++和c写的.它本身内置了c++的解析器(解析程序). Windows是微软的产品,微软对自己语言编写的软件都要支持. 不见得对其他 语言支持(java),就需要一个jv…

Spring Boot Reference Guide Authors Phillip Webb, Dave Syer, Josh Long, Stéphane Nicoll, Rob Winch, Andy Wilkinson, Marcel Overdijk, Christian Dupuis, Sébastien Deleuze, Michael Simons, VedranPavić, Jay Bryant 2.0.0.BUILD-SNAPSHOT Copyright © 2012-20…

本文来自于springboot官方文档 地址:https://docs.spring.io/spring-boot/docs/current/reference/html/ Spring Boot参考指南 作者 菲利普· 韦伯,戴夫 Syer,约什 长,斯特凡 尼科尔,罗布 绞车,安迪· 威尔金森,马塞尔 Overdijk,基督教 杜普伊斯,塞巴斯蒂安· 德勒兹,迈克尔· 西蒙斯,韦德兰Pavić 2.0.0.M3 版权所有©2012-2017 本文件的副本可供您自己使用和分发给他人,前提是您不…

前言:linux是个很强的东西,你可以在其中体验开发的神速,有如神助,但是同时系统的不完整,错误漏洞多也是ubuntu等系统的诟病,所以大家遇到任何问题,第一时间请淡定,随后百度,google一下吧,之所以使用ubuntu也是因为基本大家遇到的问题在搜索之后都能解决,所以非喜勿喷,人无完人,相信有一天这些系统会做的更加完善. 以下所有教程,皆是个人的操作经历总结,希望对有需要的朋友有帮助,如果有什么问题和错误,还望小伙伴们直接留言指出,望共同进步! 开始教程: 1.ubuntu下载连接http:…

From: http://www.vogella.com/tutorials/Git/article.html Git - Tutorial Lars Vogel Version 5.6 Copyright © 2009, 2010, 2011, 2012, 2013, 2014 Lars Vogel 08.02.2014 Revision History Revision 0.1 - 5.6 13.09.2009 - 08.02.2014 LarsVogel bug fixes and imp…

By combining the NTSTATUS into a single 32-bit numbering space, the following NTSTATUS values are defined. Most values also have a defined default message that can be used to map the value to a human-readable text message. When this is done, the NTST…

select event,count(1) from gv$session group by event order by 2;exec dbms_workload_repository.create_snapshot;select 'alter system kill session '''||sid||','||serial#||''';' from v$session where event='latch free'; SET LINESIZE 200SET NEWPAGE NONECOL…

http://blogs.vmware.com/vsphere/2011/11/how-to-configure-esxi-to-boot-via-software-iscsi.html Introduction VMware introduced support for iSCSI back in the ESX 3.x days. However, ESX could only boot from an iSCSI LUN if a hardware iSCSI adapter was us…

Download the Android Package of Linux from Android Studio, android-studio-bundle-130.737825-linux.tgz  for Linux platform Copy to /usr/locate Unpackage to intall Android-studio's startup script --- "studio.sh" #!/bin/sh # # ---------------------…

当你打开Visual Studio 2019 for Mac检查更新时,如果下载更新包很慢,可以尝试如下操作: 打开Finder(访达),找到~/Library/Caches/VisualStudio/8.0/TempDownload文件夹路径下的index.xml 使用XPath工具,用XPath表达式: //Url提取所有更新包的下载链接,然后用迅雷或IDM下载,再逐一安装更新即可. 截至2019.10.3 09:40,Visual Studio 2019 for Mac Preview通道…

PG CREATEINDEX CONCURRENTLY [TOC] 官方说法 根据9.1的文档 Creating an index can interfere with regular operation of a database. Normally PostgreSQL locks the table to be indexed against writes and performs the entire index build with a single scan of the table…

catalog . 引论 . 构建一个编译器的相关科学 . 程序设计语言基础 . 一个简单的语法制导翻译器 . 简单表达式的翻译器(源代码示例) . 词法分析 . 生成中间代码 . 词法分析器的实现 . 词法分析器生成工具Lex . PHP Lex(Lexical Analyzer) . 语法分析 . 构造可配置词法语法分析器生成器 . 基于PHP Lexer重写一份轻量级词法分析器 . 在Opcode层面进行语法还原WEBSHELL检测 0. 引论 在所有计算机上运行的所有软件都是用某种程序设…

转载:http://www.cnblogs.com/zhcncn/p/4027025.html 1. 下载 http://www.jetbrains.com/pycharm/download/ 选择Linux Tab,选择下载免费的Community Edition[1].当前版本是3.4 2. 安装PyCharm 按照官网给出的安装指导[2]进行安装. (1) Copy the pycharm-*.tar.gz to the desired installation location (mak…

1. 下载 选择Linux Tab,选择下载免费的Community Edition[1].当前版本是3.4 2. 安装PyCharm 按照官网给出的安装指导[2]进行安装. (1) Copy the pycharm-*.tar.gz to the desired installation location (make sure you have rw permissions for that directory) $ cd Downloads/ (2)Unpack the pycharm-*.…

在centos6.2下在安装phpstorm下遇到 Startup Error: Unable to detect graphics environment 其中jdk安装的版本是 1.7.0_79 使用 1.8.0_25 出现问题,然后更换 1.7.0_79 后出现的问题就剩下上面那一个了 phpstorm的版本是 PhpStorm-.tar.gz 然后加入环境变量 export DISPLAY=:0.0 后在 phpstorm/bin 下运行 ./phpstorm.sh 就好了,命令窗口可能…

A Guide to the Multiboot Process The XP and Vista boot process in general.The Windows dual and multiboot method of operation.The limitations of the Windows method and some alternatives.How third-party bootmanagers operate. The information on this pag…