learning and development books

empty set of protocols.Anyobject is a protocol, and any is a 0 protocol. Finally look at a definition of Anyclass: Typealias Anyclass = Anyobject.type It's really just an alias.Any is also an alias and an alias for protocol1 Protocol lyprotocol1{2 //some code3 }4 classlynsobject1:nsobject,lyprotocol1{5 //some code6 }7 8 var ly1:any9var ly2:protocolTen OneTypealias Any1 = protocol Avar k:protocol - var k1:nsobjectprotocol - thevar sss1:protocolNSObject () -var sss2:nsobjectpro

of the cursor--0 FETCH statement succeeded---1 FETCH statement failed or the row is not in the result set---2 rows that are fetched do not existwhile (@ @fetch_status =0)Begin--Shows the value we take out each time we use a cursorprint ' cursor successfully fetched a piece of data 'Print @O_IDPrint @A_Salary--Use a cursor to remove a recordFETCH NEXT from MyCursor to @O_ID, @A_SalaryEnd--Close cursorClose MyCursor--undo cursorDeallocate mycursorEnd of 2015 as a result of the project needs,

Ios learning notes block in ios development applications, ios learning notes 1. What is Blocks?Block is a C-level syntax and a feature of runtime. It is similar to a function (function pointer) in Standard C, but its operation requires support from the compiler and runtime, block has been well supported since ios4.0.Ii. When to use Block during ios developmentIn

to write the operation process as much as possible into a series of nested function calls. For example, there is now a mathematical expression: (1 + 2) * 3-4 Traditional procedural programming, which may be written like this: var a = 1 + 2; var B = A * 3; var c = b-4; Functional programming requires the use of functions, which can be defined as different functions, and then written as follows: var result = Subtract (multiply (add), 3), 4); This

, Intent data) { Super. Onactivityresult (Requestcode, ResultCode, data); if(ResultCode = =RESULT_OK) {Mtextview.settext (Data.getstringextra ("Text")); Displays the recognized text Mwebview.loadurl (Data.getstringextra ("Text")); Load the identified content as a URL into WebView} }}4. Add Webcam and access network permissions:The method of using this tool class is very simple, only need to use a zxingscannerview as the whole activity layout, and then set the callback interface to parse t

The Eventbus is an Android-optimized publish/subscribe messaging bus that simplifies communication between components within an application and between components and background threads.such as requesting the network, and so on when the network returns through the handler or broadcast notification UI, two fragment between the need for listener communication, these requirements can be achieved through Eventbus.http://blog.csdn.net/harvic880925/article/details/40660137 (explained in detail, accord

-dollar era, and now hundreds of yuan a website compared to the technology progress, the times changed. I think I never started before I learned vb.net. A visit to a bookstore, accidentally turned to a vb.net development combat, reading vb.net code as easy as reading text, according to books provided by the WinForm case, just two months of time will be the company file System (ASP version) using win form re

every friend who engages in C + + development believes that they can give some advice to the latter, but there is very little to summarize. This article gives the online spread of the C + + programming development Study of the recommendations, summed up is quite good, programming learners (not limited to C + + Learners) If they really understand these suggestions, I believe that they can be accurate in

(r.id.tv); Sensormanager = (Sensormanager) getsystemservice (Sensor_service); Get direction Sensor light sensor sensor.type_light value[0], representing light intensity sensor sensor = Sensormanager.getdefaultsensor (Sensor.type_orienta tion); Listener = new MyListener (); Sensormanager.registerlistener (listener, sensor, sensormanager.sensor_delay_game); } Private class MyListener implements sensoreventlistener{float startangle = 0; When sensor data changes,

[Andorid development framework learning]-Mina development 1, andoridmina Today, I will introduce the basic concepts and APIs of Apache MINA, including I/O services, I/O sessions, I/O filters, and I/O processors. 1. Introduction to MINA Apache MINA is a network application framework that helps users develop high-performance and high-reliability network applicatio

. Net language APP development platform-Smobiler Learning Log: How to Implement linear charts in mobile APP development Smobiler is a development platform that uses the. Net language to develop apps in the VS environment. It may be more convenient than Xamarin. Style 1, Target Style The following operations are requir

Parallel development and learning 1-parallel plinq and parallel development I have been reading articles from yuanyou these two days. 8-day interactive parallel development-Use of plinq on the third day I practiced the first instance and found something interesting. Test environment:. net 4.5 64-bit (if it is 32-bi

frame IBatisNet.DataAccess.dll DataAccess frame Where three of the major assemblies are added to the solution we just builtIBatisNet.DataMapper.dllIBatisNet.Common.dllCastle.DynamicProxy.dllIf you need logging recommendations, put IBatisNet.Common.Logging.Log4Net.dll under the web's Bin directory and add to the reference:Because I'm going to use the log4net to log the logs, so I added them and added them all to the reference, here I want to emphasize, b

* *.Second, installation Scikit-learnExecute command:Conda Install Scikit-learnSecond, installation KrasExecute command:Conda Install KerasThe required tensorflow is automatically installation during installation of the Keras process.At this point, deep learning, machine learning development environment has been installed, you can commandSpyderOrJupyter Notebook

each engaged in C + + the development of the friends believe that can give some advice to the latter, but the real summary of this is very little. This article gives the online spread of the C + + programming Development Learning 50 suggestions, summed up is quite good, programming learners (not limited to C + + learners) if they really understand the recommendat

Development and Learning steps for Linux-general Linux technology-Linux programming and kernel information. The following is a detailed description. Many of my friends want to learn how to develop in linux. I have made many detours and bought many books. Based on my personal experience, I think this learning process is

Mentor (a poor but considerate Ukrainian, there are still a lot of small and fragmented things, and time is not enough. It is impossible to spend a whole day every week to write articles that are nearly ten thousand words for everyone. However, you can rest assured that the simple ink strives to list all the learning routes and books of game programming that you understand next Monday, and grant them the

Use of Tongda workflow learning and development, Tongda workflow development Last year, the company purchased a set of Tongda Oa. We mainly wanted to use the workflow and process the company's system. After one month of study, I also had a deep understanding of workflows, knowing that workflows are composed of forms and flow engines. Form is the carrier of data

, fieldset, p, Div, H1, H2, H3, H4, H5, h6 {-webkit-text-size-adjust:100%;}10. Transition splash Screen/set how embedded elements are rendered in 3D space: Reserved 3D/-webkit-transform-style:preserve-3d;/sets whether the back of the element to be converted is visible when facing the user: hidden/-webkit-backface-visibility:hidden;11. Fillet BugSome Android phone rounded corners failBackground-clip:padding-box; Iii. about HTML5some interesting new features in HTML5:1. Canvas Elements for paintin

Android development and learning-call applications and call android Development Call Application System/app/phone.apk: this is a call application. This Java API cannot be rewritten by application programmers. System/app/dialer.apk: This is a dialer application. You can override a third-party dialer. 1. Define the layout in the res-layout-activity_main.xml: 1 2