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The CentOS command to change the system time to Beijing time found that the server was not Beijing time when adding an automatic task today. Now we change it to Beijing time. 1. delete the local time and set the time zone to Shanghai rm-rf/etc/localtimeln-s/usr/share/zoneinfo/Asia/Shanghai/etc/localtime 2. use date to check whether the time is correct. If it is incorrect, continue the following operations. Use ntp to synchronize the time ntpdate stdtime.sinica.edu.tw www.2cto.com 3. if the comma
following describes how to use Eboot to erase NandFlash: 1. Use a serial port or USB to connect the Development Board and PC, and start minicom 2. Turn on the power, and enter the system five seconds later. The Blank Space key of the security PC keyboard causes the Development Board to stay in the Eboot status. 3. Enter "A" to erase it. Steps to download Android 1. Prepare a 2G or 4g sd card, insert the card reader, and connect to the PC. 2. Write mmc. bin and zmage-sd.bin to SD card 3. Enable
Embededkonsole does not normally modify the embeddedkonsole. Pro file, modify the red part, add the specified platform, or simply remove the platform designation. Contains (qmake_arch, x86) | contains (qmake_arch, generic) | contains (qmake_arch, ipaq) | contains (qmake_arch, sharp) {libs + =-lutil defines + = have_openpty} src/Server/main. CPP # else // single_exec # include 0) {waitpid (PID, 0, 0 );} if (! Qfile: exists ("/etc/pointercal") {fprintf (stderr, "cannot
Configure NTP and synchronize server time Configure NTP and synchronize server time There are more and more servers in the project. Recently, Database Synchronization has been performed on several servers. When a synchronization error occurs, you can view the logs, as a result, we found a small problem that has been ignored-Time Inconsistency between several servers. Therefore, I decided to use NTP (Network Time Protocol), a Protocol used to synchronize Time between computers on the Network. Its
In Linux, there are two built-in commands cal and ncal used to display and calibrate the calendar. Once you are used to using them, you will find that using commands is much faster and more convenient than using the mouse in the GUI calendar. There are many parameters in the command line that can meet all the calendar requirements you need. Currently, I have not found any calendar that I need to display. Recommended reading: History Command records th
Android programming Standard GuideI. Directory Specification1. System Directory SpecificationRequirement: Requirement document; Design: Design document;Planning Log: Plan, Log, meeting;Test: integration Test, system Test, and Test report;Study: learning materials, demos, etc;Deployment: Release and Deployment;Source: Source Code and unit test;Help: Related Help documents;2. Source Code directory SpecificationA directory is a package. All classes in the directory belong to this namespace, one ma
the program is correct, while Lint is the opposite. Therefore, it is better than the general check executed by the compiler. Lint can run through multiple files to perform error checking and code analysis. This is something the compiler cannot do. Popular Lint programs include: PC-lint is a commercial program provided by Gimpel Software that supports C/C ++; Splint (the original LCLint) it is a GNU Free Lint program, but only supports C and does not support C ++.When running Lint, just like a n
to the short array, which contains depth information for each pixel and player index information (16 bits) How to deal with bone tracking dataKinect's core technology, the section accurately calibrate the human body's 20 key points, and the position of these 20 points to track real-timeThe data object type is provided as a skeleton frame and can hold up to 20 points per frame, each of which is represented by a joint type.Jointtype: The type of
Pocket controller-Pro is very interesting. You can connect the wince and Windows Mobile devices to the PC through synchronous software, and directly operate the devices on the PC, the operation can also be performed on the device and displayed on the PC in real time. This provides several benefits: 1. When the touch screen is inaccurate, you can click the touch screen calibration menu on the PC end, and then calibrate the device on the device end. It
author cldio often rode a horse named pony. to commemorate his horse, he named the software ponyprog (pony programmer ). Of course, this is just "said ". You can download the latest version of ponyprog from the clodio personal homepage http://www.lancos.com. Although the latest stable version is v2.06, we do not recommend that you download it because this version (and earlier versions) does not support newer AVR Microcontroller (such as tiny13 ). Bus time series Calibration To run ponyprog
three-dimensional depth ", this light source becomesLaser Speckle(Laser Speckle) is a random diffraction spot formed when the laser is shining on a coarse object or penetrating the glass. These speckle are highly random and will change the pattern with different distances. That is to say, the pattern of any two places in the space is different. As long as such a structured light is attached to the space, the whole space is marked and an object is put into this space. You only need to look at
to find possible "changes" in the software, and then encapsulate these changes in an abstract way. Since abstraction has no specific implementation, it represents an infinite possibility, making it possible to expand. Therefore, at the beginning of the design, in addition to the use cases set to meet the requirements, we also need to calibrate possible or existing "changes. The most important thing about encapsulation changes is to discover changes,
. The software can read the bit 16 (ENF) of AER to determine whether the RTC register can be accessed. 2. Access to RTC can be disabled by writing a password-not value to AER. 2. After each write operation on the RTC register, you must wait until the reg_flag position is 1 before you can write the RTC register. 2.3 RTC Calibration RTC calibration function: When the 32 K crystal oscillator is not punctual, the calibration function is used to calibrate
/usr/tslib/etc/ts. conf to remove the blocking of the first sentence. # Module_raw Input Change Module_raw input (note that there is no space before it) 3) modify the/profile file under the/etc directory of the Development Board, add the following STARTUP script and run it. # Vi/etc/profile Export t_root =/usr/tslib # directory Exportpath = $ path: $ t_root/bin # Add the executable program directory to the Environment Variable Exportld_library_path =/lib:/usr/lib: $ t_root/lib # library file dir
parameters Struct s3c2410_ts_calibration Cal; // calibrate touch screen parameters Struct s3c2410_ts_event Buf [mousebuf_size]; // a buffer queue waiting for processing Struct s3c2410_ts_event cur_data, samples [3], last_data ;}; // Current sample data, original sample data, last sample data After learning about the above concepts, it is not complicated to compile the touch screen driver. The following work needs to be done: 3.1 module ini
. (BTW: If I think the Expo plan is not clear enough, I can't do it. The pictures in PDF are not clear) Next we will register maps. There are many registration methods, such as using MapInfo for registration or even ArcInfo for registration. However, these are too complicated. Today we will introduce a simple software for registration, this is globalmapper, a very good GIS software that can open a super many map format and save it as a super many map format. Let's use it for simple registratio
still commonly used in windows, so here I will introduce a tool software for Windows: Source insight. This is a free 30-day software that can be downloaded from www.sourcedyn.com. Installation is very simple. Just like other installation methods, double-click the Installation File Name and follow the prompts. After the installation is complete, you can start the program. This software is very simple to use and is a good tool for reading the source code. A brief introduction to its usage is as f
noise reduction, deshake, and coordinate transformation, to remove noise and convert the original device coordinates to the corresponding screen coordinates. In tslib, two main interfaces ts_read () and ts_read_raw () are provided for the application layer. ts_read () is an excuse for normal use, and ts_read_raw () is an interface for calibration. Under normal circumstances, tslib processes the device coordinates sampled by the driver as follows: Raw device --> variance --> dejitter --> linear
, execute, but none of them work. Then I want to skip tslib. Instead, I use the TP calibration program that comes with QT, So I re-compile QT and add the option QT-mouse-linuxt during compilation, remove QT-mouse-tslib. After compilation, enter the board and calibrate it. Tears ran away. When the building is about to jump, the savior came. A vendor sends a driver to open one. It needs to change the tslib source code, and suddenly realizes that happine
zero within 2 ^ 34 seconds (that is, 544.8 years). For the moment, the continuous running time of a machine does not exceed this, so you do not need to consider Counter Overflow.The above function gets only the number of clock cycles passed by the CPU, not the time. You must use other methods to convert it into time. I wonder if there is any way to obtain the CPU frequency by reading BIOS information. At present, many methods to calculate the CPU frequency are implemented by using the rdtsc com
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