r in nutshell 2nd edition

"Basic Python Tutorial 2nd edition Revision" study notes (i) Chapter I: Rapid transformation: Fundamentals 1.1 Installing Python (slightly) howtobecomea Hacker:http://www.catb.org/~esr/faqs/hacker-howto.html Chinese version: How to become a hacker http://blog.jobbole.com/64196/ (Bole online version, I think the current version is more perfect) 1.2 Interactive interpreter >>>1.3 What is the goal of the alg

Presumably now everyone learning Python will use 3.0 and more versions, although the 2.X version is still a lot, but these two years with some open source projects no longer support 2.X version, 3.X has become a trend.It is in this background, I recently used this "basic Python tutorial" when the textbook, I found that although the author mentioned 2. X and 3.X version is different, but some places do not point out, and even let the 3.X version of the friend to mislead, I will follow the use of

replication has been nominated for the ACM Outstanding Doctoral Dissertation Award. He holds a bachelor's degree from Columbia University and a PhD from Carnegie Mellon University.Pan Zhejiang Haining People, is currently serving in the Institute of Computer Science and Technology, Peking University, associate researcher; The research direction is information security (including network security and public key technology) and software development (including component technology and model); The

, was the chief operating officer of Quigo (advertising technology start-up, later acquired by AOL), responsible for leading product strategy, product management, technology development and customer service. He has worked on ebay for 6 years and has served as vice president of Technology, chief technology officer and company executive.Michael Fisher, aKF's start-up partner, was previously chief technology officer at Quigo, and PayPal was the vice president of engineering and architecture. He spe

width () method corresponding to the height () method, which can get the width value (px) of the matching element.In addition, there are several commonly used methods for element positioning in Css-dom.The offset () method is used to get the relative offset of the element in the current window, where the returned object contains two attributes, top and left, which are valid only for the visible element.The function of the position () method is to get the relative offset of the element relative

: "200px"},3000) ;});Other animation methods 1, Toggle (Speed,[callback]) Method 2, Slidetoggle (Speed,[easing],[callback]), 3, FadeTo (Speed,opacity,[callback]); 4, Fadetoggle (Speed,[easing],[callback]);1, toggle ()The visible state of the switchable element$ ("#panel h5.head"). Click (function() { $ (this). Next (). Toggle ();});Equivalent to:$ (function() { $ ("#panel h5.head"). Toggle (function() { $ (this ). Next (). Show ("Slow"); },function() { $ (this). Next (

");}else{Alert ("a isnot B");}= = Comparison Value= = = Comparison Value and type! = Comparison Value!== comparison values and typesLogic | | !-------------------------------------------------------------------------------------------6. Cyclevar count = 1;while (Count alert (count);count++;}bo=alert (count);count++;}while (COUNTfor (var count =1;countalert (count);}var AA = ["Ruj", [+], false];for (var count =0;countalert (count);}----------------------------------------------------------------

Setting the initial user name and password6.7.3 Adding code to specify functionality for the controlThe 7th Chapter debugging and optimizing the Code of writing7.1 Errors that may occur in VBA7.1.1 Compilation Error7.1.2 Run-time error7.1.3 Logic Error7.2 3 states of the VBA program7.2.1 design mode7.2.2 operating mode7.2.3 Interrupt Mode7.3 Excel is ready for debugging tools7.3.1 getting the program into break mode7.3.2 set breakpoints to allow the program to pause execution7.3.3 using the Sto

an array of objects, each corresponding to an element in the document that has the specified label name.This method allows a wildcard character to be * used as its argument, which returns all the label elements in the document as an array.3. GetelmentsbyclassnameThis method is a new method in the HTML5 DOM that accesses the element through the class name in the tag class attribute, which is an array of objects, each corresponding to the element in the document that has the specified class name.

17th Chapter Plan control17.1 Execution Plan control: solving Problems17.1.1 adjusting the query structure17.1.2 proper use of constants17.1.3 give optimizer some hints17.2 Execution Plan control: no direct access to code17.2.1 option 1: Change statistics17.2.2 option 2: Changing database parameters17.2.3 option 3: Add or Remove access paths17.2.4 Option 4: Apply a hint-based execution plan control mechanism17.2.5 outline17.2.6 SQL profile17.2.7 SQL Execution Plan baselines17.2.8 SQL Patch17.2.

operation and maintenance knowledge11th Chapter Database Design11.1 Database Design Concepts11.2 System Requirements Analysis11.3 Conceptual Structure Design11.4 Logical Structure Design11.5 Physical design of the database11.6 Application Design11.7 Realization of database system11.8 Database implementation and maintenance11.9 Protection of the database11.10 Case Study12th Chapter database operation and Management12.1 System Operation Design of database12.2 operation and maintenance of database

2-6-static linked list-linear table-Chapter 2nd-source code of the data structure textbook-yan Weimin Wu Weimin edition, 2-6-Data Structure Textbook source code Chapter 2 linear table-static linked list -- Data Structure-yan Weimin. Wu Weimin Source code instructions☛☛☛Data Structure-C language version (Yan Weimin, Wu Weimin version) Textbook source code + EXERCISE set parsing instructions Textbook source c

2-8-double-cycle linked list chain Storage Structure-linear table-Chapter 2nd-Data Structure textbook source code-yan Weimin Wu Weimin edition, 2-8-Data Structure Textbook source code Chapter 2 linear table-chain storage with double-cycle linked list -- Data Structure-yan Weimin. Wu Weimin Source code instructions☛☛☛Data Structure-C language version (Yan Weimin, Wu Weimin version) Textbook source code + EXE

Entity Framework 6 Recipes 2nd Edition (12-1), entityrecipes The12ChapterCustomizationEF In this section, you can customize entity objects and some features of EF processing. these sections cover a lot of "behind-the-scenes" things, allowing your code to solve things in a more unified manner. For example, you can use a business rule center to perform verification for entities in a unified manner. This secti

Entity Framework 6 Recipes 2nd Edition (12-3), entityrecipes 12-3. database connection logs Problem You want to record logs for each connection and disconnection from the database Solution EF exposes a StateChange event for the DbContext connection. We need to handle this event and record logs for each connection and disconnection with the database. Suppose our model is shown in Figure 12-3. in the Listing

Entity Framework 6 Recipes 2nd Edition (11-2), entityrecipes 11-2. Use the "model definition" function to filter entity sets Problem You want to create a "model definition" function to filter an object set. Solution Assume that we have a Customer and bill Invoice model, as shown in Figure 11-2. Figure 11-2.Customer and Invoice in a model We want to create a "model definition" function to obtain the invoice

Entity Framework 6 Recipes 2nd Edition (11-1), entityrecipes The11ChapterFunction Functions provide a powerful code reuse mechanism, and keep your code concise and easy to understand. They are also the database-Layer Code that EF can use when running. Functions include Rowset Functions, Aggregate Functions, Ranking Functions, and scalar Functions. The function is either determined or uncertain. When a funct

Entity Framework 6 Recipes 2nd Edition (10-5), entityrecipes 10-5. Use custom functions in the storage model Problem You want to use udfs in the model instead of stored procedures. Solution Assume that our database has a member (members) and a messages data table, as shown in Figure 10-4: Figure 10-4.A simple database of members and their messages In this case, we may not allow entry-level programmers to

Entity Framework 6 Recipes 2nd Edition (9-7) Translation-> serialize proxy in the WCF Service, recipeswcf 9-7. serialize the proxy in the WCF Service Problem Returns a dynamic proxy object from a query, and wants to sequence it into a POCO (Plain-Old CLR Objects) object. Implemented based on POCO object. At runtime, EF automatically generates a derived type for each object, which is called a dynamic proxy o

Entity Framework 6 Recipes 2nd Edition (9-5) Translation-> delete a disconnected Entity, entityrecipes 9-5. delete a disconnected entity Problem We need to delete the object retrieved from WCF. Solution Let's assume that we have the payment and Bill model of the entity as shown in Figure 9-5. Figure 9-5.OnePayment and Bill Model Our model shows the relationship between payment records and bills. In the app