最近在调试一块STM32F107RBT6,无法进行下载 错误提示: “JTAG Warning: T-bit of XPSR is 0 but should be 1. Changed to 1.” 1.判断BOOT0 BOOT1 电平情况 BOOT0 低 BOOT1 低 下载到Flash(无法正常 ...
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其他好文 时间:
2017-10-13 17:09:35
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705
Merge two sorted (ascending) linked lists and return it as a new sorted list. The new sorted list should be made by splicing together the nodes of the ...
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其他好文 时间:
2017-10-13 14:07:16
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136
Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x. You should preserve the ...
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其他好文 时间:
2017-10-13 13:55:27
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122
苹果为了我们的软件安全也是操碎了心,很多小伙伴发现下载自各种第三方的软件在使用时都会弹出: “XXXXX” is damaged and can’t be opened. You should move it to the Trash 的信息,理论上我们此时只要打开System Preference ...
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其他好文 时间:
2017-10-13 10:23:16
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213
Power OFF and ON USB device in linux (ubuntu) http://loginroot.com/power-off-and-on-usb-device-in-linux-ubuntu/ There are two methods of doing this. S ...
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系统相关 时间:
2017-10-12 15:43:14
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403
Write a function to delete a node (except the tail) in a singly linked list, given only access to that node. Supposed the linked list is 1 -> 2 -> 3 - ...
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其他好文 时间:
2017-10-12 10:27:19
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181
- Text area: The height of the text should not be much smaller than 23.5 cm and the width should not be much smaller than 18.4 cm. Your text area is t ...
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其他好文 时间:
2017-10-12 00:55:36
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174
任何程序员应该记住的性能指标 Numbers Everyone Should Know L1 cache reference 0.5 ns Branch mispredict 5 ns L2 cache reference 7 ns Mutex lock/unlock 25 ns Main memo ...
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其他好文 时间:
2017-10-11 21:06:22
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229
地址:http://poj.org/problem?id=1434 题目:Fill the Cisterns! Fill the Cisterns! Time Limit: 5000MS Memory Limit: 10000K Total Submissions: 4131 Accepted: 1 ...
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其他好文 时间:
2017-10-11 20:21:02
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202
螺旋矩阵 Given an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. For example,Given n = 3, You should return the fo ...
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其他好文 时间:
2017-10-11 15:18:14
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96