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My notes:Let old Pete tidy up so long this manual, in the mind quite guilty, I went back to Shenzhen with his daughter to the amusement park to play, hard. peter!Too many words, also describe the narrative can not feel like this, have to find a time.

My notes:Let old Pete tidy up such a long time this handbook, in the mind very sorry, I went to Shenzhen with his daughter to the amusement park to play, hard, peter!Too many words, also can not describe this feeling, have to find a time, not drunk

Article title: Linux Network Administrator Manual (3 ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open

PC = programming challenges (http://www.programming-challenges.com /) University of Valladolid online judge (http://uva.onlinejudge.org /)   Challenge programming: Programming Competition Training Manual PDF (English version ): Http://acm.cs.buap.mx/

The systeminit () function appears in the first line of the main () function. We can see its importance. Previously, the systeminit () function has never been concerned, but only knows that it is a function for initializing the stm32 system. Today,

The stm32 chip manual shows clearly that there are four clock sources: 1. HSI (Internal High-Speed clock 8 MHz) provides a clock source that supports BIT system clock 2. HSE (external high-speed clock) provides system clock and RTC clock source 3.

We found that the virus "u. vbe" on the USB disk infected each disk. In addition, each disk in the computer cannot be opened, and the "u. vbe" is displayed directly when it is opened ". Although the virus does not have a big impact on the operating

The tryenter () method of the monitor class is similar to the enter () method in trying to obtain an explicit lock on an object. However, it does not block execution like the enter () method. If the thread successfully enters the key area, the

In STM32, there are five clock sources for HSI, HSE, LSI, LSE, PLL.In fact, four clock sources, as shown (gray-blue), PLL is a PLL clock that is multiplied by a phase-locked loop circuit. ①, HSI is a high-speed internal clock, RC oscillator,

The original Article portal has five clock sources in stm32: Hsi, HSE, LSI, LSE, and PLL. There are actually four clock sources, as shown in (gray-blue). The PLL is generated by the frequency doubling of the PLL circuit.① HSI is a high-speed