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Unable to execute dex: Multiple dex files define
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How do I set up DNS for an apex domain (no www) pointing to a Heroku app?
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(Note: root, base, apex domains are all the same thing. Using interchangeably for google-foo.)...
Java: Literal percent sign in printf statement
...percent sign is escaped using a percent sign:
System.out.printf("%s\t%s\t%1.2f%%\t%1.2f%%\n",ID,pattern,support,confidence);
The complete syntax can be accessed in java docs. This particular information is in the section Conversions of the first link.
The reason the compiler is generating an err...
Debugging sqlite database on the device
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App Inventor 2 蓝牙发送十六进制字节方案：文本转Hex字节详解 - App应用开...
...过蓝牙发送 0xAB 0xCD 两个字节，而不是四个ASCII字符（0x41 0x42 0x43 0x44）。
每两个字符代表一个十六进制字节，需要将字符对解析为实际的字节值。
问题本质输入期望发送实际发送（当前问题）"ABCD"[0xAB, 0xCD]（2字节）[0x4...
How to set selected item of Spinner by value, not by position?
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edited Jan 4 '18 at 12:43
Kunwar Ajeet Singh Rajput
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an...
Convert from List into IEnumerable format
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You don't need to convert it. List<T> implements the IEnumerable<T> interface so i...
Hibernate: Automatically creating/updating the db tables based on entity classes
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I don't know if leaving hibernate off the front makes a difference.
The reference suggests it...