asus 2 in 1 review

Mysql review and learning (2) database and table structure creation and deletion bitsCN.com Mysql-h localhost-uroot-p123456 // connect to the database Show databases; // view the database Create database if not exists db_goods; // create a database Use db_goods; // use the database Show tables; // view tables in the database Create table goods (id int, name varchar (10); // create a table Desc goods;

Java technology improvement, review, and summary (2) Next reflection: Array reflection, also see the code comprehension: int [] a1 = new int[]{1,2,3};int [] a2 = new int[4];int[][] a3 = new int[2][3];String [] a4 = new String[]{"a","b","c"};System.out.println(a1.getClass() == a2.getClass());System.out.println(a1.getClass() == a4.getClass());System.out.println(a1

1 ImportJava.util.*;2 classsnow{}3 classPowderextendssnow{}4 classCrustyextendssnow{}5 classSlushextendssnow{}6 7 classLightextendsPowder {}8 classHeavyextendsPowder {}9 Ten One Public classaddinggroups { A - Public Static voidMain (string[] args) { - theCollectionNewArraylist)); -Integer[] Moreints = {4,5,6}; - //Arrays.aslist As the name implies, pass in an array, make out a list. Array c

", +, ' Beijing '}; for (var in o) { alert (O[key]);}View CodeFive. Map/set (Map: Python-like dict)1.Map Fetch Valuevar New Map ([ [' Michael ',], [' Bob ', ' +], [' Tracy ', ' +] ]); alert (M.get (' Michael '));View Code2.Map Increment/Delete valuevar New Map (); M.set (' Alex ',M.set); (' Bob ', ' m ');alert (M.has (' Bob ')); Delete (' Bob '); alert (M.get (' Alex '));View Code3.Set (de-newlst, python-like List = Set (LST))var New S

Machine learning machines Learning-andrew NG Courses Study notesIntroduction to matrices and vectors and their representationsWhat is matrices matrixMatrix is just another-a-saying, is a 2D or a, and a dimensional array.dimensionof the matrix is going to being written as the number of the row times the number of columns in the matrix.Written out as R4 by 2 or concretely, what people would sometimes say this matrix is a element of the set R 4 by

PHP mobile internet development notes (8)-MySQL database basic review [2] bitsCN.com I. Data Tables To ensure data integrity and consistency, you must specify the field name, field type, and field attribute when creating a table. constraints, indexes, and ), primary key and foregin key. Constraints: Not null non-empty constraint Unique uniqueness constraint Primary key constraint Foreign key constraint of f

give very good performance at a higher price. the Pentium M 2.0 GHz with a 533 MHz FSB and 2 MB L2 cache using the latest intel mobile chipset has proven itself worthy of belonging in high-end gaming rigs such as the Dell XPS and alienware machines, and you'll find it's a veritable overkill for any business application -- but nice to have nonetheless if you don't mind paying. The 1,024 GB DDR2 533 MHz SDRAM in this configuration is nice, 512 MB is pr

I thought it was done now. But I found many problems are still vague. You can only review the information and review it again. Vs. net2013 ef6 mvc5 sqlserver2008 1. Create Database Blogging 2. Create a table and insert Test Data Create table [dbo]. [Blogs]([BlogId] int identity (

Review data structure: Sorting (1) -- insert sorting and data structure sorting Starting from this article, I began to review the knowledge points of the data structure. The blog mainly focuses on the core idea of each knowledge point and code implementation. This article begins with the insertion sorting in the sorting algorithm. Stable sorting, inner sort

Review regular expressions in PHP (1) first review common regular expression functions in php. 1. preg_match () and preg_match_all () Int prag_match ($ pattern, $ subject, optional parameter $ matchs); only one match is performed, and the return value is 0 or 1, that is,

1. Java Basic Data typeint 4 max 0x7fffffff 2147483647=2 31 square-1 first bit symbol bit minimum -2147483648 0x80000000 complement store first constant other bit reverse plus 1Short 2 max 2^15-1 32767 min -

The foundation is not strong, shake2018-07-29Previously did not learn HTML, now do a Web project has a way to start the feeling, although there are ready-made pages, but to adjust the style, or will encounter a lot of difficulties, or re-start to review again, the efficiency of the writing will be higher.Common tags P: paragraph tags hr: Split line ol ordered OL unordered Li List table table TR line TD column form form span range BR newline img-alt--t

: Click to select the button you just dragged in, and then follow CTRL, drag a line from the button position on the left Chengkou to the front of the @end in the right window, and then make the following selections:After adding the finished code5 Handle button Events: Then in step 3, the button's previous button restores a window.Click Viewcontroller.mm in the left sidebar and add a line of code to the function Shownum to set the number of the desktop icon:[UIApplication sharedapplication].appli

The theory is boring, so it's a little long. Ha haha ~To learn a language, we must first understand it, then"What is OC"Objectiv-c, abbreviated to OC, is an object-oriented language written on the basis of C language. fully compatible with C language, can be mixed with C language code in OC code, even C + + code;You can use OC to develop applications for Mac OS x platforms and iOS platforms.(a) First of all, first understandProcess orientedAndObject Oriented："Process oriented"

PHP mobile internet development notes (6)-MySQL database basic review [1]. I. data type 1. storage space of integer data types Description Value range: TINYINT1 integer with a very small byte signed value:-128 ~ 127 unsigned value: 0 ~ 1. smaller 255SMALLINT2 bytes 1. i

bytes that all characters occupy, including the ending character. 13. Character array output 13.1 characters-by-character input output:%c13.2 outputs the entire string:%s, at which point the output item should be a character array name instead of an array element. NBSP;13.3SCANF ("%s", c);//Enter a string into a defined array C to end the carriage return. 13.4scanf ("%s%s", c1,c2);//Enter more than one string into the defined array c1,c2 to end with a space character separating the carriage ret

this form? This involves Java's approach to overriding and overloading the rules. This content is important, please refer to the relevant information.Two: keyword synchronizedWith the Synchronized keyword, the results of the multi-threaded function will become controllable. The Synchronized keyword is used to protect shared data. Please note that "shared data", you must distinguish between what data is shared data, Java is an object-oriented programming language, so beginners in the programming

Javase basic Review (1) ArrayList in-depth analysis and interpretation of ArrayList source code (JDK1.8.0 _ 92) and javasejdk1.8.0 _ 92 When learning this part of content, we need to pay attention to the problem that the collection still stores the object reference rather than the object itself. The List interface extends Collection and declares the features of class sets that store a series of elements. U

I have not written a C + + program for a long time today, using VS2013 to create a new empty console program, the result is automatically generated header file and Main method.Understand the meaning and usage of the stdafx.h header file.Stdafx:standard Application Framework Extended, is a precompiled file that will be used in the project to pre-compile some standard MFC header files, when the project is compiled again, you do not need to compile the header file, you can directly use the results

reference type(2) a=100;var fun1=function (a) {a++;}//Primitive TypeFUN1 ()//a=100(3) var obj={a:100};var fun1=function (obj) {var obj={a:100};obj.a++;}FUN1 (obj);//a=100IsNaN () to determine if it is Nan6. Operators1. Arithmetic operator: +-*/%2. Comparison operator:> 3, 0==false;1==true;2==true; (Error)3, Var B;if (