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permissions: System user does not have permission to modify SD card file mode;[Email Protected]:/sdcard/octopus $ ll-rw-rw-r--root sdcard_rw 1109128 2014-07-08 19:49 busybox[email Protected]:/sdcard/octopus $ chmod 755 busybox Unable to chmod busybox:operation not permittedApplication Solutions :-- application-specific user : The Android operating system will set up a user
Start the android simulator first. Open the CMD command line window. Enter ADB-s emulator-5554 Shell
Now you can manage system folders, and then enter ls
The folder and file are listed. Enter CD system/APP and then ls.
You can see the application APK file of the system, delete the app you want to delete, such as phone.apk, and enter RM phone.apk.
The system p
DB_PATH_SD = Environment.getexternalstoragedirectory (). GetAbsolutePath () + File.separator + "TDR" +File.separator; Public Static classbasedb{ Public Static Final intVersion=1; Public Static FinalString dbname= "Base.db"; }3, where needed, call Copydbfile () The try { //Copy tool class gets the Basedbhelper.getinstance (). Copydbfile () by a single case (), a catch (FileNotFoundException e) { LOG.E (TAG, "Filenotfount");
Short[buffersize];
Audiorecord.startrecording ();
LOG.I (TAG, "Start recording");
IsRecording = true; while (isrecording) {int bufferreadresult = audiorecord.read (buffer, 0, buffersize); for (int i = 0; i
If you want to debug these PCM files to do audio testing, I recommend using audacity this software, you can see, I directly click on the upper left corner of the file-import-source files, and then se
In the development of Android project, the project uses to JNI development, use C + + to write own so library, debug and run all normal, android.mk file code is as follows:
Local_path: = $ (call My-dir)
include $ (clear_vars)
local_module:=observer
local_src_files:=observer.c
local_c_includes:= $ (local_path)/include
Local_ldlibs + +-l$ (sysroot)/usr/lib-llog
include $ (build_shared_library)
If we need to introduce other third-party so l
1. Remove the bin and Gen under Android engineering2. Delete the git-generated. Git folder3. Delete the SVN generated. SVN folder$ find Project name-name bin-exec RM-RVF {} \;$ find Project name-name gen-exec RM-RVF {} \;$ find Project name-name. git-exec RM-RVF {} \;$ find Project name-name. svn-exec RM-RVF {} \;This article is from the "Andyhdchoice" blog, make
Solve the problem that the android jni project will delete other so files
During Android project development, jni is used in the project, and C/C ++ is used to write its own so library. debugging and running are all normal. The Android. mk file code is as follows:
LOCAL_PATH
How to delete the root user or root permission in MySQL by mistake: bitsCN.com
Some time ago, I accidentally deleted the Root user of Mysql. Unfortunately, I couldn't log on to Mysql. I 've been looking for a solution. I also read what I said on the Internet: 1. first kill the mysqlld process, add the -- skip-grant-ta
The file is from the Dark Count of cnblogs,ArticleAddress: http://www.cnblogs.com/hangxin1940/archive/2011/07/10/2102087.html
Previously, it was a Windows shell, and the dark count was changed to the Linux version. This is the complete package:/files/super119/androidrootandrecovery.zip
From the script point of view, the most important thing is thisProgramNow: rageagainstthecage. It seems that this program restarts the adbd daemon process run
What is an Android root privilege:
The Android administrator user is called Root, which has the highest right of the entire system to access and modify almost all files in the system, and only Root has the highest level of admini
a few days ago jetty found that Java can not delete files, the file operation has been occupied by the JVM, but changed the tomcat problem disappeared. today again, try the online solution, after I test, directly modify the configuration file sometimes can not take effect, the specific reasons are unclear, we recommend the use of directly modify the Web. xml Filethe red part of the followingfiles are locked
way.So before we talk about this failure process, we need to understand how Linux manually creates users and groups.Each user's creation involves the following files:/etc/passwd (user)/etc/group (user group)/etc/shadow (key file)/home/username (home directory)/etc/skel/.* (skeleton file)When the user is created, the user's information is added to the/etc/passwd,/etc/group,/etc/shadow three files, a user
When we use MySQL, sometimes forget the user's password, especially the root user's password, this time we need to walk the back door to change the password, the idea and the Linux root user password is almost the first bypass the permission authentication phase and then use an update user command updated password, If you want to restore the root user to mistaken
Format:Rsync -- delete-before-a-H-v -- progress -- statsOption:-- Delete-before: the receiver is deleted before transmission.-Progress displays the transmission process during transmission-A indicates that files are transmitted recursively and all file attributes are maintained.-R recursively processes subdirectories.-H: Keep hard-connected
=/sbin/stockrecovery.imgof=/dev/block/platform/mmci-omap-hs.1/by-name/recovery"ADB rebootRecovery is actually a small mobile phone system, but also the Linux kernel. In other words, it can be understood that the mobile phone has a dual system, one is the Android system, one is recovery. If the Android system is destroyed (for example, by deleting the/system partition in ROM), the phone can still enter the r
Format: rsync -- delete-before-a-H-v -- progress -- stats options: -- delete-before: the receiver deletes the object before transmission.-progress displays the transmission process during transmission.-a Archive mode indicates that the object is transmitted recursively and all objects are kept...
Format:Rsync -- delete-before-a-H-v -- progress -- statsOption:--
entire folder tree starting from the root folder. You may want to use these tools in a special way so that they can traverse the shared location. (The CreateFile API documentation describes a way to traverse the entire folder tree in this case.) )In general, you can manage these files by using the software that created the files. If you have a program that can c
Linux system under the decompression zip or rar files may produce garbled files or directories, using RM-RF fileName cannot be deleted, RM-RF delete the previous level of the directory can be, but need to back up, compare time,Can actually be deleted according to the index node (i node).[Email protected] ultra-oas]# ll-iTotal 653441993345 drwxr-xr-x 2
The way the internet has failed ... The online approach is said to be used in about 2.0 versions. And we are now using more than 4.0 of the mainstream.The http://quantoubao.blog.163.com/blog/static/2083211702013870501987/said 4.0 or more, but I still didn't succeed.So I decided to take a look at the root principle of my own: reference: http://www.myhack58.com/Article/html/3/92/2013/36574.htmFirst look at this description:I. OverviewThis article descri
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