, mounting read-onlyThis means that the disc can only be mounted as read-only permission and is understood as a hint. Actually the disc has been mounted successfully. Just look in the/mnt/cdrom.6. Unmount the disc, theLinux system to remove the disc to be properly uninstalled to take outCommand: Umonut device file name or mount pointUninstall when you want to exit the CD directory in order to uninstall.Mount USB Drive1. After inserting the USB drive, you need to see the hard drive identified in
Format of MIF fileWidth=Depth=address_radix=data_radix=ContentBegin00:;01:;02:;....EndSo you just need to use MATLAB to generate the number of the middle part, and then add the tail format, of course, the file suffix must be. MIFMATLAB exampleClcClear AllN=[1:1000];Ratio=0.125;%ratio means fo/fs;Sintemp=sin (2*pi*ratio*n);Sinround=round (sintemp* (2^7-1));For i=1:1000if (Sinround (i) Sinround (i) =2^8+sinround (i);EndEndSindata=sinround;Mixdata=[n;sindata];Fid=fopen (' data.txt ', ' a ');fprintf
Hard disk installation Windows 2008 System methods1, first to download the ISO image file. Load the Win2008 image file and copy all of the files to the hard disk, such as D:\win2008.2, the win2008 inside the "bootmgr" and "boot" folder are copied to the C disk directory,And in the C packing directory to build a sources folder, the D:\win2008\sources under the Boot.win copy to the C drive under the Sources folder.3, if the C drive is not in NTFS format, use the XP-brought convert to convert the C
Because cm2.3.7 has some problems, if you need to use a stable version of cyanogenmod 2.3.4 to compile and download the corresponding vendor file, you can download it to my online disk.
Vendor: http://115.com/file/dpi59mxv
Custom sdks are often added to the source code during development of custom Rom. For example, many added functions in Xiaomi miui use custom methods during coding, these all need to be compiled into the SDK. during development, the
represents the corresponding source code line number, which is very important for debugging .. Metho and. End method indicate the beginning and end of a method definition. For the functions of these commands in the smali file, refer to commands.The source code of the. Line 39 code isTxtview. settext (R. String. hello_activity_text_text)Now we want to change this line of code to txtview. settext ("happy, cracker! "), Change the code from. Line 39 to. Line 40:. Line 39. Local v0, txtview: Android
CentOS7 access content in the CD-ROM
When using the operating system, we sometimes use optical disks and optical drives. Unlike windows's access to the content of a CD, if you want to access the CD in CentOS7, You need to attach the CD to a local directory. I understood this as a local image for the content of the CD. Next, let's take a look at how it works.
Mount
-Tauto
/Dev/cdrom
/Mnt/cdrom
Explanations:
Mount is the mount command.
-T auto i
{ //defines a file byte output stream with the name sFileName fileoutputstream fos = openfileoutput (sfilename,0); The file bytes are input into the file character output stream outputstreamwriter outwriter = new OutputStreamWriter (FOS); Then convert the file character output stream to the cache character output flow bufferedwriter BufferedWriter = new BufferedWriter (outwriter); Use the Write method to write information to the file Buffer
Linux distributionsHttp://unix.stackexchange.com/questions/87011/how-to-easily-build-your-own-linux-distro This document describes the different categories of situationsHttp://www.centos.org/docs/5/html/Installation_Guide-en-US/ch-kickstart2.html covers Kickstart installations of Centoshttps://help.ubuntu.com/community/LiveCDCustomizationhttps://help.ubuntu.com/lts/installation-guide/i386/ Appendix-preseed.htmlhttps://wiki.debian.org/debianinstaller/preseed of course you can customize Fedora etc
Using a virtual optical drive under Ubuntu is simple, unlike Windows, where you need to install specialized software, just run the following command to see what's in it:Example: #mount-t Iso9660-o loop your ISO file name. ISO/MEDIA/CDROM0 (not please create first)This allows you to view the contents of the ISO file under/MEDIA/CDROM0.More detailed information is as follows: (Turn from: http://school.zzit.com.cn/system/Linux/... 81951.html)1. Mount the ISO fileGenerally view the contents of the I
1. Install disc (folder does not exist, create)Mount-t Auto/dev/cdrom/mnt/cdrom2. Change index file, specify read local fileVi/etc/yum.repos.d/centos-media.repoFor node BaseURL add file:///mnt/cdrom/3. Install with yum (install OpenSSL 32-bit version number)Yum--disablerepo=*--enablerepo=c6-media Install openssl-devel-1.0.0-20.el6_2.5.i686.rpmYou can also access the folder/mnt/cdrom/packages Force installationRPM-IVH glibc-devel-2.12-1.80.el6.i686.rpm--force--nodeps4. Unmount the optical driveUm
Generally for mirror files, if the use of WinRAR to face the ISO file, in fact, there is the process of decompression, if it is a large file, it will have to wait for a long time. So we are using the virtual optical drive software to install. But since we have win8, we don't have to find a virtual CD-ROM to install the software, because the WIN8 is already built.
1, we can the ISO and other mirrored files directly right button, and then click Load.
1. Browse the disc image and extract the files directly
Objective: To directly extract the contents of the disc image without burning the CD or the virtual CD-ROM software
Method: Open and extract the file or folder directly (UltraISO supports 27 common disc image formats)
Important: Extract files can use the "Extract to" feature to specify the destination directory, or you can select the path in the local browser below the interface and drag and d
Our people now basically use computers, everyone will be in the Win7 flagship computer watching the Web page watching TV, there are many uses, although the computer has a DVD function, but the basic users will rarely use these features, we will feel that this function is useless, watching video can also be viewed directly on the Web page, But we still need to see some tutorials users need to use this feature, we insert the disc will find that the optical drive can not read the phenomenon of no r
Let's share with you today the specific steps and methods of the Windows7 CD installation tutorial.
Place the Windows7 installation CD in the CD drive, enter the BIOS when the computer starts up and set the first boot device to the optical drive, press F10 to save the settings and exit the BIOS.
1. The computer automatically restarts after the following figure prompts, please press the keyboard any key from the CD-ROM drive computer.
2.
1, first we confirm that the Windows XP system installation files on that disk, we assume that the installation file in C, and then use the key combination (Win key +r) Open the Run window, and enter "regedit" and then click the "OK" button to open the Registry Editor, as shown in the following figure:
2, in the Registry Editor window expand Hkey_local_machinesoftwaremicrosoftwindowscurrentversionsetup Primary Key, find Cdinstall on the right and double-click to open its Modified key val
This is tested with the platform Core E8400 processor, ASUS X48 video card, 4gb/1600 memory and ASUS GT240 graphics card.
The start of the test time to enter the BIOS to adjust the boot after the start to save the restart start timer, until the beginning of the Windows7 desktop, the error in 5 seconds. (PS: Use u disk installation, when the system first reboot must be in the BIOS inside the first boot to the HDD, otherwise the system will be unlimited implementation of U disk installation.) )
=\*--enablerepo=c7-media [command] [C7-media] name=centos-$releaseve R-media baseurl=file:///media/centos/file:///media/cdrom/#本地yum源所在路径 file:///media/cdrecorder/gpgcheck=0 #这里为0不进行检查 enabled=1 #这里为1 start gpgkey=file:///etc/pki/rpm-gpg/rpm-gpg-key-centos-7 ~
Save exit
3. Verify
We can view the warehouse using the Yum command plus the list parameter.
[Root@localhost/]# yum list #后面东西太多了 ...
The above is a small set to introduce Linux through the mounting system CD-
No Internet access, the use of CD-ROM installation of GCC and gcc-c++ method is as follows:
First put the CD into the optical drive, the virtual machine in the words on the ISO CD image can be.
And then the following:
[Root@localhost ~]# more gcc_install.sh
#!/bin/bashMount/dev/cdrom/mntcd/mnt/centos/RPM-IVH glibc-common-2.5-42.i386.rpmRPM-IVH kernel-headers-2.6.18-164.el5.i386.rpmRPM-IVH libgcc-4.1.2-46.el5.i386.rpmRPM-IVH glibc-2.5-42.i686.rpmRPM-IV
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