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How to represent empty char in Java Character class
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How do I get whole and fractional parts from double in JSP/Java?
...hole: 3
Fraction: .25
That's it. No need to massage it with help of raw Java code.
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How can I read a large text file line by line using Java?
...u can skip the InputStream and use FileReader.
InputStream ins = null; // raw byte-stream
Reader r = null; // cooked reader
BufferedReader br = null; // buffered for readLine()
try {
String s;
ins = new FileInputStream("textfile.txt");
r = new InputStreamReader(ins, "UTF-8"); // leave c...
Could I change my name and surname in all previous commits?
...TER_NAME="${NEW_NAME}"
export GIT_COMMITTER_EMAIL="${NEW_EMAIL}"
fi'
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./configure : /bin/sh^M : bad interpreter [duplicate]
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【未发布】AI2 UDP Extension 拓展研究 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
http://ullisroboterseite.de/android-AI2-UDP.html
【解决】undefined reference to \'apr_thread_rwlock_destory\'、undefine...
【解决】undefined reference to 'apr_thread_rwlock_destory'、undefined reference to 'apr_initialize'undefined_reference_apr1、首选确认安装了apr及apr-util否则报错<apr-1 apr_xxx h>头文件找不到。2、-lapr-1 -laprutil-1添加库链接，否则报错：undefined reference to & 39...
UrsAI2ByteArray 字节数组扩展：读写二进制数据 - App Inventor 2 拓展 - ...
在技术应用或控制设备时，经常需要使用二进制数据。此扩展允许维护二进制数据字段（字节数组）。
官方页面：https://ullisroboterseite.de/android-AI2-ByteArray-en.html
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
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最新版拓展下载：
de.ullisroboterseite.ursai2pahomqtt.aix
MQTT（Message Queuing Telemetry Transport：消息队列遥测传输）
MQTT 发明于 1999 年，为物联网设计的轻量级协议，基于TCP协议实现。
MQTT协议文...
WakeLock 拓展：保持App活动状态，不自动关屏 - App Inventor 2 拓展 - 清...
AI2 WakeLock Extension: Always stay active
来源：https://ullisroboterseite.de/android-AI2-WakeLock-en.html