Not in the official MongoDB documentation, but is actually feasible and requires the following steps
1. Install key
Apt-key adv--keyserver hkp://keyserver.ubuntu.com:80--recv 7F0CEB10
2. Add a source
echo "Deb Http://repo.mongodb.org/apt/debian wheezy/mongodb-org/3.0 main" | sudo tee/etc/apt/sources.list.d/mongodb-org-3.0.list
3. Update the source
Apt-get Update
4. Installing MongoDB
Apt-get Install mongodb-org
5. Check the status
# systemctl Status Mongod
mongod.service-lsb:an ob
Tags: mongodbNot in the official MongoDB documentation, but is actually feasible and requires the following steps1. Install keyApt-key adv--keyserver hkp://keyserver.ubuntu.com:80--recv 7F0CEB102. Add a sourceecho "Deb Http://repo.mongodb.org/apt/debian wheezy/mongodb-org/3.0 main" | sudo tee/etc/apt/sources.list.d/mongodb-org-3.0.list3. Update the sourceApt-get Update4. Installing MongoDBApt-get Install mongodb-org5. Check the status# systemctl Status Mongod
mongod.service-lsb:an object/documen
plugin's own phone simulator configuration, as shown in step two:First step: AVD Name: Simulator named, no specific name required.The second step: device: In the drop-down list to select the phone's value, you can see that some parameters have been configured, do not need us to set.Part III: Skin: Select Skins in the drop-down list.Fourth step (optional): Set the memory sizeAfter a few steps have been completed, click Confirm and a phone simulator is built.(Figure II)4. Installing the NDK4.1 Go
-aliasing-fomit-frame-pointerEndif-Fstrict-aliasing indicates that the compiler does not direct different types of objects to the same address.-The fomit-frame-pointer option allows the compiler to save fp registers in function calls to improve efficiency.
3) directly optimize performance by replacing C language functions with AssemblyIfeq ($ (TARGET_ARCH), arm)PIXELFLINGER_SRC_FILES + = t32cb16blend. SEndif
4) perform special optimization on different ARM versionsIfeq ($ (TARGET_ARCH), arm)LOCA
...... A Vy = v2 ...... B is determined by virtual disconnection. If there is no current flowing through the input end of the Op Amplifier, R1, R2, and R3 can be considered as series connections. The current through each resistor is the same, and the current I = (VX-Vy) /R2 ...... C: Vo1-Vo2 = I * (R1 + r2 + R3) = (VX-Vy) (R1 + r2 + R3)/R2 ...... D. It is determined by virtual disconnection that the current flowing through R6 is equal to the current flowing through
(Liblog). Second, the implementation of the NDK instance:for the development of the NDK under the Windows environment, if the NDK used was a prior version of R7, it was necessary to install Cygwin in order to use the NDK, so the builder needed to be configured for Eclipse was actually performing Cygwin, The ndk-build is then passed as a parameter. At the beginning of NDKr7, Google's Windows version of the NDK provides a ndk-build.cmd script so that i
Recent eight best-selling mobile phone recommended
OPPO R7 2499 yuan
OPPO R7 is the latest release of OPPO's flagship smartphone, which has a fully metallic design in its fuselage, with an excellent handle and appearance. In addition, the machine is equipped with the latest version of the Coloros 2.1, faster than the start of the previous release, the corresponding more quickly, while the system more st
impression is a sense of fashion, no Nubian Z9 so sedate breath, in terms of the overall effect of the same strong texture. Officials have repeatedly stressed that Nubia my Prague is a romantic smartphone, so the machine's selling point is not hardware specifications, more is a feeling. In addition, the machine in the camera to join the Prague model, but also in the left side of the fuselage to add a physical photo button, for the capture has a good effect, overall, is a stylish appearance, wit
Focus on DIY hardware friends, AMD's newest a10-7890k flagship APU should not be unfamiliar, before the script house has brought many sets of a10-7890k related computer configuration recommended. And recently, a netizen asked small make up such a question: a10-7890k video card equivalent to what is the performance of the graphics card? For this problem, small compilation teaches everybody a small skill.
What is the equivalent of a a10-7890k video card?
Many computer enthusiasts may
and HQ heterogeneous queue technology, so that the CPU and GPU in equal working relationship, equality has the same priority.
HSA asynchronous architecture gives CPU and GPU equal processing priority
In fact, on the mobile version, in addition to A6, in the CPU Processor Core Extreme edition of the 4 CPU core design, and the promotion of the "10 core" concept is actually included the same priority GPU core, the core number of Cpu+gpu core is called "Operation Core", This naming is
(Liblog).Second, the implementation of the NDK instance:For the development of the NDK under the Windows environment, if the NDK used was a prior version of R7, it was necessary to install Cygwin in order to use the NDK, so the builder needed to be configured for Eclipse was actually executing cygwin and then passing ndk-build as the parameter. At the beginning of NDKr7, Google's Windows version of the NDK provides a ndk-build.cmd script so that it c
number.
MoV R5, A; R5 store the 1st number.
INC dptr
Movx A, @ dptr
MoV R6, A; R6 store 2rd number.
MoV r0, A; store the second byte in R0 for later use.
MoV A, R2; 2*2 *... * 2 (R2 2)-1
MoV R7,
Lcall power2; power2 is the Npower of 2. N is passed in from R7. The implementation of the power2 function is very simple and is not listed here.
CLR C
Subb A, #01 H; 2*2 *... * 2-1: 2's R2 power minus one, 2exp
0x20000100 of the kernel. In this way, the parameter linked list is created.
4. kernel receiving ParametersThe following describes how the Linux kernel receives the kernel parameters passed by bootloader from the zimage Image Based on the ARM architecture,
In the file ARCH/ARM/boot/compressed/head. S, start is the starting point of zimage. Some code is as follows:Start:MoV R7, r1MoV R8, r2......MoV r0, r4MoV R3, r7BL decompress_kernelB call_kernelCal
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