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The first chapter-the fourth question (software engineering is not to teach those who do not how to write programs to develop software?) What do you think?)--by Liang

effective, practical and high-quality software disciplines, it contains a wide range of aspects, including programming language, software development platform, software development model and many other aspects of the content.  In fact, software engineering has not been very accurate definition, everyone or organization have their own understanding. I think, learning software engineering, not only to learn how to use java,c++ and other languages to write code, but also to learn the principles of

Minutes teach you to learn a new frame--photos framework

//Get all custom albums in the album Phfetchresult *result = [Phassetcollection fetchassetcollectionswithtype:p Hassetcollectiontypealbum Subtype:phassetcollectionsubtypealbumregular options:nil];74 traverse the album to determine if there is an album with the same name as the PHA Ssetcollection *assetcollection in result) {if ([title IsEqualToString:assetCollection.localizedTitle]) {exists, Return to this album in RETUrn assetcollection;78}79} return nil;81} If you like, give me a recommendatio

Teach you how to create an azure ARM Template

': ' String ',"DefaultValue": "Standard_lrs","Allowedvalues": ["Standard_lrs","Standard_grs","Premium_lrs"]}},"Variables": {},"Resources": [{"Type": "Microsoft.storage/storageaccounts","Name": "[Parameters (' Storageaccountname ')]","Apiversion": "2015-06-15","Location": "[ResourceGroup (). Location]","Properties": {"AccountType": "[Parameters (' Storageaccounttype ')]"}?}],"Outputs": {}}Quad Edit parameter fileAccording to the existing parameter file, fill in the two parameters defined above:{

Teach you the best way to read the Open source project posture

my own step, except that it merges it through a ruby script.It is worth noting that: Dryrun is a gem, it is based on Ruby, if you do not know about Ruby, the local did not install Ruby toss up quite a lot of trouble, it is easy to install:Gem install Ruby If you want to run an Android project on GitHub on the gradle version of the catalog, the Buildtools version and the Compile SDK version are inconsistent with your local, then the run fails; Its practical value is not so high,

Teach you to do the Beans calculator (a)-development environment construction and deployment

need to install ADB drivers for the devices on the connection: Download ADB's Windows driver to PC locally by downloading the resources on the Bean network; Right click on " My Computer ", select " Manage ", open " Device Manager ", you can see the device without installing the driver; To update the driver for it, select Browse computer Find , To specify the location of the downloaded ADB driver directory, click OK and the driver will install successfully. Click on the

Mom never had to worry about spiders being blocked! Teach you how to build a cookie pool

] successfully acquired to cookies {' SUHB ': ' 08j77uij4w5n_t ', ' SCF ': ' aimcucuvvhjswsbmtswkh0g4knj4k7_ U9k57yzxbqft4sfbhxq3lx4ysno9vubv841bmhfiah4ipnfqznk7w6qs. ', ' ssologinstate ': ' 1501439488 ', ' _T_WM ': ' 99b7d656220aeb9207b5db97743adc02 ', ' m_weibocn_params ': ' uicode%3d20000174 ', ' SUB ': ' _ 2a250elzqderhgebm6var8ifeztuihxvxhxoyrdv6pujbkdbelxtxkw17zoyhhj92n_rgcjmhpfv9tb8ojq. '} Successfully saved cookies copy code Shown above is the program run the console output co

Teach you crontab barrier

, prompting for the xxx.sh path not found in the log file/var/spool/mail/yanggang* * * * */home/barry/top800/top10/top10_fruits/top10_all.shOr* * * * * bash/home/barry/top800/top10/top10_fruits/top10_all.shThis is because you use an absolute path to execute script top10_all.sh in crontab, so other scripts referenced in script top10_all.sh need to use absolute paths to be crontab found and executed. So how to avoid the absolute path, it is recommended to use the following format:* * * * * cd/home

Teach you to read the OpenStack logs-5 minutes a day to play OpenStack (29)

administrator. But if you're an OpenStack operations and Management officer, the logs are very important to you. Since OpenStack operations are error-prone, the error messages given on the GUI are very general and concise, and the logs provide a lot of clues, especially when the debug option is turned on. If you are in the learning phase of OpenStack, as we are now, it is highly recommended that you look at the logs too. Logs can help you gain a deeper understanding of how OpenStack works. Lo

8. Teach you Ext5 (eight) Customize menu 2

:' Left ', Xtype:' Toolbar ', items: []}], glyph:menugroup.glyph}; for(varJinchmenugroup.items) {varMenumodule =Menugroup.items[j]; accpanel.dockeditems[0].items.push ({xtype:' Buttontransparent ', Text: This. Addspace (Menumodule.text, 12), Glyph:menumodule.glyph, Handler:' Onmainmenuclick ' }); } This. Items.push (Accpanel); } This. Callparent (arguments); }, Addspace:function(text, len) {console.log (text.length); varresult =text; for(vari = text.length; i

Teach you how to do Bluetooth chat application (vi)-Interface optimization

,/*******************************************************************/* Copyright Notice* This tutorial is only published in CSDN and the green Bean Network, other websites appear this tutorial is infringing./*******************************************************************/7th Quarter PostScriptNow, we can also add multi-language support for the chat application and about the interface, the color and size used to define the resource file, so that the Bluetooth chat application of the beans is

Teach you to do video player (iv)

process of creating it is performed first onDestroy() onCreate() . As we'll see in the interface, a list of all the video information has been shown, and after the rotation, it's time to start querying again.This is obviously not necessary. So we need to make a little change to the video list interface so that it doesn't have to be completely refreshed every time it spins.In the AndroidManifest.xml file, add the properties of the activity component to android:screenOrientation="orientation|scre

Teach you to do video player (v)

(R.id.video_view); mVideoView.setVideoPath(path); new MediaController(this); mVideoView.setMediaController(controller);}7.6 Pause and resume of videoSometimes the user needs to pause the video, which can be manipulated by the buttons on the control Panel, but sometimes the video being played is interrupted by the system, such as a phone call, the highest priority of the phone activity, which is displayed to pause the video player, or when the user presses the Homebutton to switch to the

Teach you how to draw a simple 3D painting

Original Creative shop-painting Mania-3D three-dimensional painting, also known as "three-dimensional painting, Kangjingchi painting, Panorama painting, three-dimensional painting, grating three-dimensional painting, etc.", there are many kinds, according to the material is divided into PP, PET, PS, PMMA, PVC, PE and so on.3D three-dimensional painting tutorial, find the right trick, in fact, 3D three-dimensional painting is not difficult ah, along with the author learn it.Tools/Materials

Teach you to do the Bluetooth car (ii)

();...This is the run() function-related code Public void Run() {log.i (TAG,"BEGIN mconnectedthread");byte[] buffer =New byte[1024x768];intbytes//Keep listening to the InputStream while connected while(true) {Try{//Read from the InputStreambytes = mminstream.read (buffer);//Send the obtained bytes to the UI ActivityMhandler.obtainmessage (Constants.message_read, Bytes,-1, buffer). Sendtotarget ();..In this example, the Android side first receives ' a ', which is sent to the interface display

System Installation Tutorial record (easy to teach you to install the system)

the old Peaches Boot disk making tool(3) using the old Peaches boot disk to initialize the USB flash drive(4) One-click to make startup USBmake success prompt to simulate startup, select No (prevent novice not)System replication:Save the downloaded Gho suffix system to the USB Gho folder.entry of PE(7), restart the computer, press and hold the Start button (startup key), select USB or Uefi(8), choose to run Win8pe anti-blue screen versionrestoration of the system(9), enter the PE prompt to rest

"Turn" to teach you to diagnose problems with strace.

library function layered on top of the underlying clone () system call, hereinafter referred to as Sys_clo Ne. A description of Sys_clone is given towards the end of this page. Unlike fork (2), these calls allow the child process to share parts of it execution context with the calling process, such As the memory space, the table of file descriptors, and the table of signal handlers. (Note that on the This manual page, "calling process" normally corresponds to "parent process".) But see the

Convert the talent to teach you how to convert JPG to PDF

setting, after opening the software, we can see a variety of Function mode selection on the left side of the software, which contains almost all the text format conversion, the user can choose the corresponding conversion mode according to their own requirements.2. File add settings, add method in file, Quick JPG conversion to PDF converter v6.4 free trial version to provide a variety of ways to add files, the software above and issued by a file can be added to the button, users can even direct

To teach you to understand others ' psychology

It is the basic technique of responds very well in all human intercourse. Do not know the wind, it is not known to turn the direction of the rudder handle, the world can not talk about the world, not good will also be in the small waves in the boat.Although intuition is sensitive but easy to be blinded, know how to reasoning and judgment is the pursuit of the top skills. Words can reveal a person's character, expression eyes can let us spy other people's hearts, clothing, posture, gestures will

Geek's Lecture: Teach you to control traffic lights with Raspberry Pi

it has been a great success.In order to make scratch with the Gpio interface of the Raspberry Pi, the first thing you have to do is to open the program, enter the editing interface, choose to start the Gpio server. Then you can use the broadcast block to identify the Gpio interface you want to use. In the above, these two broadcast blocks point to Config19out and Gpio19on respectively. And the Gpio 19 is pointing to the red LED light.For more information on how to connect scratch to the Gpio in

Teach you to do the Bluetooth car (three)

also a 5.2-section connection method.Notice how the expansion board and mega are connected. The expansion board does not have a pin foot on this head and the mega does not have a pin pin on one side, the expansion board 0 pin Pin and the Mege 0 pin pin coincide, as shown in the Yellow line in the figure.6.5 TestingUpload the program to the Development Board, you can observe the motor forward, speed from slow to fast, and from fast to slow.Then the motor turns backwards, from slow to fast, and f

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