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X-loader is the primary boot loader. It is loaded through ROM boot loader into the internal RAM.X-loader is responsiblefor initializing the external memory and loading the u-boot from the selected boot device. X-loader supports boot from NAND, MMC/SD and Onenand. The generated x-loader.bin needs to is signed before it can be used by the ROM bootloader.

Today download VM10 ready to install Ubuntu14.04, as always, to install, suddenly found a problem: This host supports Intel Vt-x, but Intel Vt-x is disabled, specificallyPrompt to restart the computer into the BIOS interface (according to the computer model press the shortcut key access: HP F9, Asus F7 and other Internet access), and will be "advanced" settings in the "Intel Virtualization Technology" on (t

SPRINGMVC prequel--from Struts 1.x-2.x mvc-spring 3.0 MVChttp://downpour.iteye.com/blog/1330537In our well-known Java EE application development based on the three-tier structure (presentation layer, business logic layer, persistence layer), the presentation layer has the most solutions. Because in the presentation layer of their own knowledge of many tentacles, there are a lot of problems to solve, which w

Within Windows:Make a vs2017 (15.8 version) new. NET Core Project ASP. Project template ASP. core2.1 No Docker support (because Docker support under Windows is a hassle) HTTPS is on, but when it is released to Linux by default, it seems to be HTTP at last;New project WebApplication1, commissioning wordsHttps://localhost:5001/api/values will return a JSON file content is["Value1", "value2"];Publish (new configuration file):Publish method: Select File system;Settings: Release;Target frame: I am ne

Lua packaged APK This is packaged using the Cocos code IDE, followed by a package on eclipse First step: Environment configuration. Configures the path of the ANDROID-SDK,ANT,NDK. Step Two: Select your project file, right-click->cocos tool-> Add local code support. This is to add C + + code for your LUA project (engine I chose cocos2d-x-3.7.1, with 3.8.1 package old failure various problems, do not know is not my NDK version of the low reason)Add C +

the process of Yum installation PostgreSQL 9.3.x in CentOS 6.x environment PostgreSQL is a very complex object-relational database management system (ORDBMS), and it is also the most powerful, richest and most complex free software database system at present. Some features are not even available in the commercial database. The Berkeley (BSD) database research program has now evolved into an international de

Cocos2d-x does not provide us with the implementation of modal dialogs, but there is a sub-platform to implement the confirmation dialog box implementation Ccmessagebox, can be implemented by the dialog box. However, the customization is not strong, can be used as a system-level prompt, but if the game as a dialog box is not so appropriate. Customizing a modal dialog box requires two things to be aware of: I. The priority level of touch event respons

I recently learned to use Python3.2 because most of the materials and books are based on Python 2. so I will encounter some problems in the learning process. I would like to record them so that you can find them and share them with other friends who need them. 1. PerformancePy3.0 runs pystone benchmark 30% slower than Py2.5. Guido believes that Py3.0 has a huge space for optimization, which can be used for string and integer operations.To achieve good optimization results.Py3.1 performance is 1

1 Mv/usr/bin/python/usr/bin/python.bak2 vim ' which Yum ' modifies the interpreter into what MV after the Python name, here is the MV into the/usr/bin/python.bak reference belowNote PIP3Ext.: https://www.cnblogs.com/stonehe/p/7944366.htmlPreparation environment: CentOS6.8 Machine1. View the default Python version of the machine[email protected] ~]# python-2.6. 6whereis pythonpython:/usr/bin/python/usr/bin/python2. 6/usr/lib/python2. 6/usr/lib64/python2. 6/usr/local/bin/python/usr/include/pytho

There are two functions to compute the tangent in the C + + standard library, one is Atan (y/x) and the other is atan2 (y, x). Atan2 (y, x) is a 4 quadrant tangent, and its value depends not only on the tangent y/x, but also on which quadrant the point (x, y) falls into: Wh

Python3.x is a revolutionary upgrade to Python that has abolished many of its previous features and introduced new features. The old code for 1.x and 2.x is not fully compatible. The python2.x is backwards compatible and is currently the latest version of Python edition 2.7. The version 2.6 and 2.7 was released to mak

Tags: ROC data structure min 3.x way iterator document blog MatFirst, it is clear that there is no difference between accessing the MONGOs and accessing the standalone Mongod. The next method is to access both the Mongod and the MONGOs. In addition, read Java to write Scala, anyway, everyone can understand ... Probably? 1. Connection method without authentication cluster (JAVAScala): The first is to create a connection method, we declare a client, and

Beginner, various problems, different versions found From: http://xiaominghimi.blog.51cto.com/2614927/969984 Cocos2dx V2.0 version released for a while, now the latest version is cocos2d-2.0-rc2-x-2.0.1; this time himi on 2. the new version of X has also been noticed and used. It has been found that many changes have been made. The latest himi project is coming to an end, so the engine has not been updated

ObjectiveKeep learning attitude, learning a dynamic language is actually a long time to be ready to do things, was still tangled in Python and Ruby. Now not just to learn python, but also to think about what to do with it, these follow-up, because look at the python2.x books. Python 3.7 is used. So let's start by documenting the difference between the two, which is limited to the basics.The difference between python3.

#define EC (x) l# #x role Description Indicates L is connected with X. #define CONN (x,y) x# #y #define TOCHAR (x) #@x #define TOSTRING (x