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JPEG标准在文件中记录了一些EXIF信息,缩略图是一幅较小的JPEG图片,存储在EXIF信息段。而Windows在第一次显示缩略图时先读当前目录中的"Thum...
JPEG标准在文件中记录了一些EXIF信息,缩略图是一幅较小的JPEG图片,存储在EXIF信息段。而Windows在第一次显示缩略图时先读当前目录中的"Thumbs.db"这个文件,其实这是一个缩略图数据库,从而来判断是否有该图片的缩略图。如果不存在"Thumbs.db"文件或者该库中不存在该图片的缩略图,那么Windows会尝试取图片中的EXIF信息,判断是否存在缩略图数据。如果图片中EXIF信息中不存在缩略图信息或信息错误,那么Windows就会用插值的方法重新生成缩略图(如果可能则保存到当前目录中的"Thumbs.db"缩略图数据库中)。 对于修改缩略图方法有用ultraEdit直接编辑文件替换EXIF信息或用exifer这样的工具,这不是本文关心的内容,本文介绍用java实现的方法。
- 2022-05-08 14:18:05下载
- 积分:1
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pngencoder
PngEncoder - convert a Java Image to PNG PngEncoderB - convert a Java BufferedImage to PNG-PngEncoder- convert a Java Image to PNG PngEncoderB- convert a Java BufferedImage to PNG
- 2022-08-02 16:10:24下载
- 积分:1
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这是JAVA的教程,非常详细的讲稿,可以参考
这是JAVA的教程,非常详细的讲稿,可以参考-java turtoial ,good notes,just try it
- 2022-03-21 03:39:47下载
- 积分:1
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一个基于Java技术编写的24点游戏逼真图形版,调用了很多图片去显示游戏内容,很逼真。不妨研究一下。...
一个基于Java技术编写的24点游戏逼真图形版,调用了很多图片去显示游戏内容,很逼真。不妨研究一下。-Based on Java technology to prepare a 24-point games with lifelike graphics version, called a lot of pictures to display the game content, is very realistic. May wish to look.
- 2022-08-19 03:48:34下载
- 积分:1
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一个数字处理类,实现一个小数的四舍五入的功能.
一个数字处理类,实现一个小数的四舍五入的功能.-A digital processing categories, the realization of a decimal rounding function.
- 2023-07-07 06:30:02下载
- 积分:1
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Jdeveloper 程序
Jdeveloper 程序包括 web servicen, JAX-WS,存储过程、 SQL、 XML 等。
- 2022-02-04 22:55:06下载
- 积分:1
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jfreechart生成直方图、饼图、时序图、线图
JFreeChart生成柱状图、饼状图、时间顺序图、折线图-JFreeChart generates histograms, pie charts, time sequence diagrams, line graph
- 2022-07-08 22:00:07下载
- 积分:1
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Understand and apply exponentiation
Understand and apply exponentiation-Wind chill is the apparent temperature felt by exposed skin on a cold, windy day. Normally, there is a thin layer of warm air
surrounding our bodies, and this warm air helps insulate us from the cold air around us. A strong wind reduces the amount
of insulation by this air layer, so our skin loses heat at a faster rate than it would otherwise. Our skin feels colder, which
makes us feel colder the temperature it "feels like" is the wind chill temperature. For example, if you re exposed to 30°F
air moving at 20 mph, your skin loses heat at the same rate it would in calm 17.4°F air, so the windchill is 17.4°F.
In 2001, the National Weather Service changed the formula used to calculate the wind chill index (the old formula
produced temperatures that were too low). The new formula is:
Wind Chill (in °F) = 35.74+ 0.6215 T- 35.75 (V0.16)+ 0.4275 T (V0.16)
where T is the air temperature in °F and V is the wind velocity in mph. (In case
- 2023-09-08 11:15:03下载
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用户登入注册,权限管理
运用struts,JavaBean
用户登入注册,权限管理
运用struts,JavaBean-User login registration, rights management using struts, JavaBean
- 2022-07-20 14:24:49下载
- 积分:1
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java的lookandfeel制作的API
java的lookandfeel制作的API-produced by the API
- 2022-03-01 19:24:33下载
- 积分:1