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Playing nuclear or AMD some of the 3000-dollar most strong APU computer Configuration recommended Accessory name brand Model reference price Processor AMD APU a10-7890k (box) ￥929 Heatsink Boxed Self- Graphics card Radeon R7 display Core-- Motherboard gigabyte F2A88XM-DS2 fm2+￥419 Memory Kingston HyperX Hacker Fury DDR3 1866 8GB (2 4GB dual channel) ￥389 Hard drive Granville SP550 240G Solid State Hard Drive ￥465 Chassis Aerospace ￥109 (side-t

Earlier this month, AMD released the desktop seventh generation Apu, code-named Bristol Ridge, the first to bring AM4 new interface, support DDR44 memory, USB 3.1, and finally can be with the Intel six-generation processor a higher. AMD Seven generation a12-9800 APU processor One of the first high-end APU models is a12-9800, Quad core 3.8-4.2ghz,radeon R7 GPU 512 stream processors, thermal design power dissipation 65W. AMD says it can c

　　OPPO R7(2499 yuan) OPPO R7 Front with a 5-inch capacitive touch screen, the resolution is 1920x1080 pixel FHD level, the display effect is good. The core is built with a MediaTek MT6752 eight core processor and a 3GB RAM+16GB ROM memory combination that runs smoothly based on the Android 4.4 version of the Color OS 2.1 system. The back of the fuselage also has a 13 million-pixel main lens, including LED

a10-7890k is an AMD introduced this year's new flagship APU processor, built-in APU most strong R7 core, known as a top two, for ordinary users, choose the a10-7890k platform, completely without separate graphics. Now the question is, a10-7890k with what motherboard? New installed friends, in the choice of CPU, must pay attention to CPU and motherboard must be compatible, the following article to teach you A10 7890K fit with what the motherboard, suit

The compiler used in this article is KeilThe first is an example, and from this example unfolds the description:......//c51 Code Here#pragma ASM.....//here is the the assembler Code.#pragma endasm......//c51 Code Here Oh, in fact, C51 and assembly of mixed programming is just such a thing.But we also have to do some premise work, first in the Project window containing assembly code (ASM) C file Right-click, select "Options for ...", and then click "Generate assembler src File" and "Assemble SRC

, r7:32CFI Resource r8:32, r9:32, r10:32, r11:32, r12:32, r13:32, r14:32CFI Endnames CFINames0CFI Common CFICommon0 Using CFINames0CFI Codealign 2CFI Dataalign 4CFI returnaddress R14 CODECFI CFA r13+0CFI R0 SamevalueCFI R1 SamevalueCFI R2 SamevalueCFI R3 SamevalueCFI R4 SamevalueCFI R5 SamevalueCFI R6 SamevalueCFI R7 SamevalueCFI R8 SamevalueCFI R9 SamevalueCFI R10 SamevalueCFI R11 SamevalueCFI R12 Samevalu

OSCTXSW ; SAVE current TASK ' S CONTEXT: stmfd sp!, {lr} ; Push return address, ; The STMFD command is a full stack decrement, that is, the instruction Stmdb (the address first minus the stack) after the content in the LR is pressed into the SP minus 1 points to the position of the stmfd sp!, {lr} Ibid. stmfd sp!, {r0-r12} ; Push Registers, MRS R0, CPSR; Push current CPSR,TST LR, #1; If called from Thumb mode,Orrne R0, R0, #OS_CPU_ARM_CONTROL_THUMB; If Yes, set the t-bit.Stmfd

, #6AH, L2The contents of 62 to 69 are compared to 60, and the last 60 is the minimum value.INC R0MOV 51h,r0MOV r1,51hINC R1Cjne R0, #69H, L2, the content in 61 is compared with the content from 62 to 69, and the content in 61 is the second small value, and so on, until the last two digits are compared.SJMP $END///////////////////////////////The second method (advocated by this method, only two loops, logic is strong, not easy to understand, the advantage is conducive to transplant)/////////////

There is a word called often walk along the river, which has not wet shoes. This is what our research and development of Android's Project division is going to do, and it's something you'll often encounter when you're debugging.*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***Build fingerprint: ' xxxxxxxxx 'pid:1658, tid:13086 >>> system_server Signal (SIGSEGV), Code 1 (segv_maperr), fault addr 64696f7eR0 00000000 R1 00000001 R2 ad12d1e8 R3 7373654dR4 64696f72 R5 00000406 R6 009741

As long as the rational use, C can still achieve unexpected results. Many friends complain that C efficiency is much worse than the Assembly, in fact, if the compiler principle of Keil C has a more in-depth understanding, it is possible to use the appropriate syntax, so that the generated C code to achieve optimization. Even though this may seem unlikely, there are some simple principles to follow: 1. Use the unsigned data structure as much as possible. 2. Try to use the char type, it is not eno

you want to add this feature, you can only add these two lines to the factory_init.rc"Continue with= "in init.rc and an associated on trigger 396 on property:sys.powerctl=*397 Powerctl ${sys.powerctl}= "Will call BUILTINS.C, reference between Reboot,recoveryint do_powerctl (int nargs, char **args)=>return android_reboot (cmd, 0, reboot_target), cmd = ANDROID_RB_RESTART2//# define ANDROID_REBOOT.H in Android_rb_ RESTART2 0xdead0003reboot_target = Second reference recovery= "/system/core/libcutil

Author: Song WenshengI. CauseDuring android ril development, rild crashes abnormally. This process directly controls all operations related to android RIL. if an exception is terminated, the android framework restarts.Ii. DetailsA) As we all know, when a linux program crashes, the stack trace before the crash is printed. This stack trace is an important clue for us to find the cause of the crash.B) The following are the crash details of android rild.01-19 17:48:56. 550 I/DEBUG (683): Build finge

indexes as much as possible. For a, B, C in [(1, 2, 3), (4, 5, 6)]: # Better Pass is equivalent to assigning a value directly to each element. Def force (): LST = range (4) for A1 in [1, 2]: for A2 in LST: for A3 in LST: for B1 in LST: for B2 in lst: Third, generator optimization (check table instead of operation) Def force (Start, end): # Used for password brute-cracking program for I in range (Start, end): Now = i sublst = [] for J in range: sublst.appen

cleared. 3. Migration steps 3.1 establish BGP peer relationships 1) Multiple vrouters at the border of the region establish an iBGP peer relationship ① In the above topology, it refers to R1 and R2, R7 and R8, R3 and R11 ② First run the BGP process and configure its BGP Router-ID ③ Establish a peering relationship with its direct physical interface as the source 2) The core layer router establishes a fully interconnected iBGP peer relationship ① In

R5; Enable Config t Hostname R5 Int s1/1 Ip add 192.168.56.1 255.255.255.0 No shutdown Exit Int s1/2 Ip add 192.168.57.1 255.255.255.0 No shutdown Exit Router ospf 100 Network 192.168.57.0 0.0.0.255 area 0 Network 192.168.56.0 0.0.0.255 area 0 End R6: Enable Config t Hostname R6 Int s1/0 Ip add 192.168.56.2 255.255.255.0 No shutdown Exit Int s1/2 Ip add 192.168.67.1 255.255.255.0 No shutdown Exit Router ospf 100 Network 192.168.56.0 0.0.0.255 area 0 Network 192.168.67.0 0.0.0.255 area 0 End

= 000000a0 R02 = 08000100 R03 = 08008000R04 = 00000000 R05 = 08000124 R06 = 083dc0a9 R07 = 0841bc9cR08 = 083DBFDC R09 = 083E0260 R10 (SL) = 00000000 R11 (FP) = 00000002R12 (IP) = 083dbfc0 R13 (SP) = 083dbd44 R14 (LR) = 08413984 PC = 08008000CPSR = 600000d3 SPSR = b00000ff>bkm>di 0x08008000//disassemble the address area code08008000:mov r0,r008008004:mov r0,r008008008:mov r0,r00800800c:mov r0,r008008010:mov r0,r008008014:mov r0,r008008018:mov r0,r00800801c:mov r0,r008008020:b 0x800803008008024:.

= [] for j in range (10 ): sublst. append (I % 10) # large division overhead, greater than multiplication I // = 10 sublst. reverse () yield (tuple (sublst), now) def force(): # better lst = range(5) for a1 in [1]: for a2 in lst: for a3 in lst: for b1 in lst: for b2 in lst: for b3 in lst: for c1 in lst: for c2 in lst: for c3 in lst: for d1 in lst: yield (a1, a2, a3, b1, b2, b3, c1, c2

precisely due to the Keil C51 compilation optimization produced. Because the peripheral address is defined directly in the source program as follows:unsigned char xdata MAX197 _at_ 0x8000Use _at_ to define the variable MAX197 to the external extended RAM specified address 0x8000. Therefore, the Keil C51 optimization compilation is, of course, considered repeated reading the second time is useless, directly with the first read the result is possible, so the compiler skipped the second read state

8.ARM Register Detailed explanationSimple classification of ARM registers: Figure 1-1:Figure 1-1There are 37 32-bit registers in the arm microprocessor, including 31 universal registers and 6 status registers. However, these registers cannot be accessed at the same time, and there are different types of registers that can be accessed in seven modes. However, the Universal Register R14--R0, the program counter PC, and a status register CPSR are all accessible.The specific situation is shown in 1-

range;Of course, as with all two-stage regulated circuits, the power adjustment rate has become very good, because here the adjustment tube sees the input voltage ripple becomes very low, most of the output voltage changes are borne by LM317.In addition, the circuit is slightly modified, it is convenient to make a high output current,High-quality power supply, the method is to use any method to LM317 the expansion of the same time to select a larger output current adjustment tube,While this can