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App Inventor 2 OCR 图片文字识别全方案总结 · App Inventor 2 中文网
...使用现有OCR拓展
> NMD OCR
> OCRSpace
3、Java开源库写拓展，实现本地OCR识别
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1、使用百度api进行识别
使用百度api，每日免费调用100次，超过的话是收费的。根据相关文档、使用Web客...
How to extract numbers from a string and get an array of ints?
... sign -- optionally. \d matches a digit, and we need to write \ as \\ in a Java String though. So, \d+ matches 1 or more digits.
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A regular expression to exclude a word/string
... This didn't work for me, while Alix Axel's solution did work. I'm using Java's java.util.regex.Pattern class.
– Mark Jeronimus
Jun 20 '13 at 18:27
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Difference between JSP EL, JSF EL and Unified EL [closed]
...ere those ${} things which works in JSTL tags only. It is designed to call Javabean get methods.
Nov 2003: JSP 2.0 was introduced and EL was moved from JSTL 1.0 to JSP 2.0 in javax.servlet.jsp.el package and it became standard EL as part of J2EE 1.4 standard. JSTL 1.1 was shipped without EL. Now ${}...
How to convert OutputStream to InputStream?
... answered Apr 25 '11 at 13:36
Java DrinkerJava Drinker
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In log4j, does checking isDebugEnabled before logging improve performance?
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This is also the approach of java.util.Logging.
– Paul
Jun 14 '11 at 20:07
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FFmpeg on Android
...C++ code to export the functionality you need out of ffmpeg into a library java can interact with through JNI. The NDK allows you to easily link against the static libraries you've generated in step 1, just add a line similar to this to Android.mk: LOCAL_STATIC_LIBRARIES := libavcodec libavformat li...
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
I'm working on getting my database to talk to my Java programs.
38 Answers
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Different types of thread-safe Sets in Java
... lot of different implementations and ways to generate thread-safe Sets in Java.
Some examples include
4 Answers
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