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Ifconfig tool for configuring network interfaces

~] # Ifconfig-If you want to view a port, such as the eth0 status, you can use the following method;[Root @ localhost ~] # Ifconfig eth02. Configure the network interface in ifconfig;Ifconfig can be used to configure IP addresses, masks, gateways, and physical addresses of network interfaces.Specify an IP address for the NIC. This is only used for network debugging and does not change the NIC configuration file. If you want to fix the IP address of the network interface, there are three methods

Basic mobile phone R & D process

Mobile phone design companies design products with different performance based on different mobile phone R D platforms! The basic process of mobile phone R D is: Generally, mobile phone R D companies need to have six departments: ID, MD, HW, SW, PM, sourcing, and QA. 1. Industrial Design Including the appearance, material, feel, color matching of the mobile phone, the main interface implementation and color design. For example, Motorola's "brig

Analysis of surfaceflinger Service Startup Process of surface mechanism in Android system

service UI rendering thread. Step 8. surfaceflinger. oreadytorun This function is defined in the frameworks/base/services/surfaceflinger. cpp file to initialize the UI rendering thread of the surfaceflinger service. We will read it in segments: status_t SurfaceFlinger::readyToRun(){ LOGI( "SurfaceFlinger's main thread ready to run. " "Initializing graphics H/W..."); // we only support one display currently int dpy = 0; { // initialize the main display Gra

Nineth Hardware Abstraction Layer: HAL

register of type int data, so use 4 bytes to represent an int type of data). When interacting with the LED driver, the specified register can be read and written to the device file (/dev/s3c64io_leds_hal) as long as it reads or sends 5 bytes of data. Test read-Write register operation Each part of the program should be tested in the process of writing Linux drivers and driver-related programs.Use the following command to execute the build.sh script file in the appropriate director

App icon Generator Implementation, attached source

); } } returnRoot; } Private voidCreateiosthumbs (stringFolderstringfile) { //@1x foreach(intSizeinchModel.IosSizes.icon1Sizes) {stringThumb = folder +"\\ios\\@1x"+ Size +". PNG"; DAL. Imageconvert.makethumbnail (file, thumb, size, size,"HW"); } //@2x foreach(intSizeinchModel.IosSizes.icon2Sizes) {stringThumb = folder +"\\ios\\@2x"+ Size +". PNG"; DAL. Imageconvert.makethumbnail

Android hardware Abstraction layer (HAL) deep Anatomy (ii)

? In this document, there are:/*** There is a set of variant filename for modules. The form of the filename* is ' * of Base "Ro.product.board", "Ro.board.platform" and "Ro.arch" would be:** led.trout.so* led.msm7k.so* LED. Armv6.so* led.default.so*/static const char *variant_keys[] = {"Ro.hardware",/* This goes first so the it can pick up a differentFile on the emulator. */"Ro.product.board","Ro.board.platform","Ro.arch"};You can see that it is actually a string array. Station and do not know wh

The interrupt subsystem of Linux kernel (a): a review

an interrupt event occurs, requests the processing of the CPU system via an electrical signal on the IRQ request line. The peripheral IRQ request line is too many, the CPU needs a small partner to help him, this is the interrupt controller. The Interrupt controller is a bridge that connects peripheral interrupt systems and CPU systems. Depending on how much the peripheral IRQ request line is, the Interrupt controller can cascade. The main function of the CPU is the operation, so the CPU does no

Calling Delphi-written DLLs in Java

achieve. public static void Main (string[] args) {Create the object and invoke the native method inside.HelloWorld HW = new HelloWorld ();Hw.printtext ();} } After the class finishes compiling, the next thing is solved by Delphi. We run Delphi after the new DLL project: File->new->other, and then select the DLL in the new tab The Wizard creates a new project,We select a folder to save the projectAfter saving the project, we need to download Jni.pas t

VBS Programming Tutorial (2nd article) _vbs

use the keyword "Const" (the keyword means that the system defines a word that has special functions, cannot be used as a variable name or a constant name), and the format is: const constant NAME = constant value. For example: Const PI=3.1415926 Const name= "Memory Fragment" So we've defined two constants, pi, and name, and in general, the constant name is all capitalized, but it doesn't have to be the same as you like.It is a good practice to define a number of values that do not need to b

Decryption of mobile phone production process

Mobile phone production Process Brief introduction: When everyone sees a novel and has a high performance, bright design of mobile phones appear, do you have such curiosity, such a phone how to make it? Today we try to use a technical objective angle, to describe the mobile phone production process briefly, So that you know more about the structure of mobile phone!  First, the mobile phone design processMobile design companies generally need the most basic six departments: ID (Industry design) I

PhpFreeBSD system probe program _ PHP Tutorial

PhpFreeBSD system probe program. Functionsys_freebsd () {CPUif (false ($ res [cpu] [num] get_key (hw. ncpu) returnfalse; $ res [cpu] [model] get_key (hw. model); LOADAVGif (false ($ res [loadAv function sys_freebsd (){ // CPU If (false ===( $ res ['CPU '] ['num'] = get_key ("hw. ncpu") return false; $ Res ['CPU '] ['model'] = get_key ("

Tutorial on VBS programming (article 2nd)

attempt is made to change. define a variable. We use the keyword "const" (the keyword means that the system has defined a word with special functions and cannot be used as a variable name or constant name). The format is: const constant name = constant value. For example: Const PI = 3.1415926 Const NAME = "memory fragments" In this way, we define two constants, PI and NAME. In general, the constant names are all capitalized, but they can also be used. defining some values that do not need to be

Brief Introduction to the design process of mobile phones

Brief Introduction to the design process of mobile phones Average mobile phoneDesignThe company needs to have six basic departments: ID, MD, HW, SW, PM, sourcing, and QA. This actually shows the design process of the mobile phone.1. Industrial DesignIncluding the appearance, material, feel, color matching of the mobile phone, the main interface implementation and color design.For example, Motorola "Ming" is translucent, Nokia 7610 is arc-shaped, and S

About modifying the VM memory and enabling "Hardware acceleration"

I replied to a post last night. The content is classic. So I 'd like to open a post for you to study! It mainly includes two System Performance Parameters in the machine: 1. Debug. SF. hW = 0 and change to debug. SF. hW = 1. This step enables hardware acceleration. 2. Modify Dalvik. VM. heapsize = 24 m to Dalvik. VM. heapsize = 32 m. In this step, set the Virtual Machine size to 32 m. Note that this is to

VBS Programming Tutorial (2nd article) _vbs

the keyword "Const" (the keyword means that the system defines a word that has special functions, cannot be used as a variable name or a constant name), and the format is: const constant NAME = constant value. For example: Const PI=3.1415926 Const name= "Memory Fragment" So we've defined two constants, pi, and name, and in general, the constant name is all capitalized, but it doesn't have to be the same as you like.It is a good practice to define a number of values that do not need to be ch

Linux time Subsystem (12) Periodic tick

-precision timer trigger, etc., in the multi-core architecture, the system for each CPU set up a tick device, as follows: DEFINE_PER_CPU (struct tick_device, tick_cpu_device); The clock event device for local tick device should have the following features:(a) the HW timer corresponding to the clock event device must be associated with the CPU core (i.e., the interrupt of the HW timer can be de

CXF Integration Spring (client)

on the client side, the integration of CXF and spring is actually a process in which the controller or service calls the WebService agent in Springmvc, and we only need to add the files generated by Wsdl2java to our project, It then relies on the agent injected into the webservice in the controller or service, which injects the service interface from the makefile into the controller . We then configure the generated service interface in our configuration file, which is different from the way we

Reproduced HDMI on Zedboard with Petalinux.

project into the Vivado 2014.1 and update it to use Latest Xilinx IP ' s. Let ' s build a FSBL. We need very typical ZYNQ first stage boot loader and I covered creation of it before, so now just a short description: Run XSDK. Create new ' Hardware Platform specification ' project (I named it ' ZEDBOARD-HDMI-HW ') and specify HW created in a previous Step. Create Application

Intra-cluster Replication in Apache kafka--reference

leader then continues to commit new messages with F Ewer replicas in the ISR. Notice that now, the system was running in an under replicated mode.The leader also maintains a high watermark (HW), which are the offset of the last committed message in a partition. The HW is continuously propagated to the followers and are checkpointed to disk in each broker periodically for recovery.When a failed replica are

Java draws WAV audio Waveforms

));Layout. setverticalgroup (Layout. createparallelgroup (javax. Swing. grouplayout. Alignment. Leading). Addgap (0,300, short. max_value));Pack ();} // /*** @ Param ARGs the command line arguments*/Public static void main (string ARGs []) {Musicline MSL = new musicline ();MSL. setvisible (true );Thread YH = new thread (MSL );YH. Start ();MSL. Play (); } } Import java. AWT .*;Import javax. Swing .*;Public class func extends jframe {/*** * * */Public static void main (string

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