phpmyadmin体验

1.安装

myadmin是php程序写的,php的跨平台性,使得一个版本在所有系统都可以使用。

  • Choose an appropriate distribution kit from the phpmyadmin.net Downloads page. Some kits contain only the English messages, others contain all languages. We’ll assume you chose a kit whose name looks like phpMyAdmin-x.x.x -all-languages.tar.gz.
  • Untar or unzip the distribution (be sure to unzip the subdirectories): tar -xzvf phpMyAdmin_x.x.x-all-languages.tar.gz in your webserver’s document root. If you don’t have direct access to your document root, put the files in a directory on your local machine, and, after step 4, transfer the directory on your web server using, for example, ftp.
  • Ensure that all the scripts have the appropriate owner (if PHP is running in safe mode, having some scripts with an owner different from the owner of other scripts will be a problem). See 4.2 What’s the preferred way of making phpMyAdmin secure against evil access? and 1.26 I just installed phpMyAdmin in my document root of IIS but I get the error “No input file specified” when trying to run phpMyAdmin. for suggestions.
  • Now you must configure your installation. There are two methods that can be used. Traditionally, users have hand-edited a copy of config.inc.php, but now a wizard-style setup script is provided for those who prefer a graphical installation. Creating a config.inc.php is still a quick way to get started and needed for some advanced features.
Using Setup script
Instead of manually editing config.inc.php, you can use the Setup Script. First you must manually create a folder config in the phpMyAdmin directory. This is a security measure. On a Linux/Unix system you can use the following commands:
cd phpMyAdmin
mkdir config                        # create directory for saving
chmod o+rw config                   # give it world writable permissions
And to edit an existing configuration, copy it over first:
cp config.inc.php config/           # copy current configuration for editing
chmod o+w config/config.inc.php     # give it world writable permissions
On other platforms, simply create the folder and ensure that your web server has read and write access to it. 
Next, open setup/ in your browser. If you have an existing configuration, use the Load button to bring its content inside the setup panel. Note that changes are not saved to disk until you explicitly choose ``Save`` from the Configuration area of the screen. Normally the script saves the new config.inc.php to the config/ directory, but if the webserver does not have the proper permissions you may see the error “Cannot load or save configuration.” Ensure that the config/ directory exists and has the proper permissions - or use the Download link to save the config file locally and upload it (via FTP or some similar means) to the proper location.
Once the file has been saved, it must be moved out of the config/ directory and the permissions must be reset, again as a security measure:


mv config/config.inc.php .         # move file to current directory
chmod o-rw config.inc.php          # remove world read and write permissions
rm -rf config                      # remove not needed directory
Now the file is ready to be used. You can choose to review or edit the file with your favorite editor, if you prefer to set some advanced options which the setup script does not provide.

源码地址: https://pan.quark.cn/s/3916362e5d0a 在C#编程平台下,构建一个曲线编辑器是一项融合了图形用户界面(GUI)构建、数据管理及数学运算的应用开发任务。 接下来将系统性地介绍这个曲线编辑器开发过程中的核心知识点:1. **定制曲线面板展示数据曲线**: - 控件选用:在C#的Windows Forms或WPF框架中,有多种控件可用于曲线呈现,例如PictureBox或用户自定义的UserControl。 通过处理重绘事件,借助Graphics对象执行绘图动作,如运用DrawCurve方法。 - 数据图形化:通过线性或贝塞尔曲线连接数据点,以呈现数据演变态势。 这要求掌握直线与曲线的数学描述,例如两点间的直线公式、三次贝塞尔曲线等。 - 坐标系统与缩放比例:构建X轴和Y轴,设定坐标标记,并开发缩放功能,使用户可察看不同区间内的数据。 2. **在时间轴上配置多个关键帧数据**: - 时间轴构建:开发一个时间轴组件,显示时间单位刻度,并允许用户在特定时间点设置关键帧。 时间可表现为连续形式或离散形式,关键帧对应于时间轴上的标识。 - 关键帧维护:利用数据结构(例如List或Dictionary)保存关键帧,涵盖时间戳和关联值。 需考虑关键帧的添加、移除及调整位置功能。 3. **调整关键帧数据,通过插值方法获得曲线**: - 插值方法:依据关键帧信息,选用插值方法(如线性插值、样条插值,特别是Catmull-Rom样条)生成平滑曲线。 这涉及数学运算,确保曲线在关键帧之间无缝衔接。 - 即时反馈:在编辑关键帧时,即时刷新曲线显示,优化用户体验。 4. **曲线数据的输出**: - 文件类型:挑选适宜的文件格式存储数据,例如XML、JSON或...
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