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Floating Point for Integer Operation of large number operation will be supplemented later

/** Date: 2006-08-14* Ver: 0.1*/ # Ifndef _ ln_h# DEFINE _ ln_h# Include # Define string_length 100 Typedef Enum{None_type = 0,Hex_type = 1,Bcd_type = 2} Data_string_type; Class ln{Public:Ln (): DT (none_type), sign (0) {memset (DS, 0, string_length );}~ Ln (){}Ln (const ln );Ln (const INT );Ln operator = (const ln );Ln operator = (const INT );Ln operator = (const char *);Ln operator/(const ln );Ln operator + = (LN );Ln operator * = (const ln );

Zabbix and RRDtool drawings create rrd files per map for each host

better way to pass the argument, firstJust use this stupid method. Remember that there are several DS that need to write the corresponding item function, I'll just list Item03, I'm not going to tell you that I've piled up 24 to Item24 The code is as follows Copy Code #!/usr/bin/env python#coding =utf-8Import RRDtooldef Item01 (Rrdname, Startstamp, DS):Rrdtool.create (rrd

Chapter 1 Course Design 1 of Assembly Language

data to be input and output push di push Si; calculate the SI remainder di of 00ax/CX, then the remainder of 00dx/CX ex is dx, and then the remainder of dxdi/cx dx mov BX, DX mov dx, 0 Div CX mov Di, DX; remainder Max. cx-1 mov Si, ax; quotient Max. 0000 FFFF mov ax, BX mov dx, 0 Div CX; bx00/CX mov BX, ax; quotient Max. 0000 fff F; remainder DX Max. cx-1 mov ax, di Div CX; dxdi/CX Add Si, ax; quotient Max. 0000 FFFF, Si cannot overflow mov CX, DX mov dx, BX mov ax, Si pop di; pop DX pop bx ret

Usage of the Target attribute of Hyperlink

link is in. _ Search Load the linked document into the browser search pane. Available in Internet Explorer 5 or later. _ Self Default. Load the linked document into the window in which the link was clicked (the active window ). _ Top Load the linked document into the topmost window. The property is read/write. The property has a defau

C # nesting

(); // amountString sjxx = datetime. parse (Dt. Rows [I] ["djsj"]. tostring (). to1_datestring (); // time E. drawstring (wpmc + "" + wpgg, fontnormalcontent, brushes. Black, x, y );E. drawstring (wpdw, fontnormalcontent, brushes. Black, x + 80, y );E. drawstring (wpsl, fontnormalcontent, brushes. Black, x + 115, y );E. drawstring (wpdj, fontnormalcontent, brushes. Black, x + 160, y ); // Write timeIf (I = 0 ){String year = sjxx. substring (2, 2 );S

Krypton0.5 main program shelling

handling the FF15 type filling, such as [0xBF0000], and the Addr from Jump to OEP, which is the best Patch point, you can also choose OEP> Patch. the Addr needs to be destroyed by the shell itselfCode.The Code has been decrypted three times after VirtualAlloc is disconnected. At this time, the memory access breakpoint under the Code segment is directly interrupted in the K-Execution processing process. Code:004 FEFFD 66: 8138 FF15 cmp word ptr ds: [e

Drdb + heartbeat + nfs for Linux high-availability cluster (HA)

/drbd83-8.3.8/drbd. conf/etc/3. check the configuration file[Root @ slave drbd. d] # drbdadm adjust web 4. create web resources[Root @ slave drbd. d] # drbdadm create-md webWriting meta data...Initializing activity logNOT initialized bitmapNew drbd meta data block successfully created. 3. perform operations on both servers at the same time. 1. start the drbd service on the master server and slave server at the same time:Master server: [root @ master drbd. d] # service drbd startSlave server: [ro

Assembly Source series of Exec

byteDW 0; EnvironmentPrm2 EQU this wordDW 0; Command Line-ip CSDW 0PRM3 equ This byteDW 0; Default Fcb-ip CSDW 0PRM4 equ This byteDW 0; Second default FCB-IP CSDW 0P010:XOR Ax,ax; Get PSPMOV es,ax; Es=0MOV bx,ds; Save DSMOV ds,ax; Ds=0CliPush Ds:[basicds]; Save Basic ' s DSPush

Zabbix and RRDtool drawings create rrd files per map for each host

stupid, how many different item shapes have to define a different creation function, I have been looking for an afternoon did not find a better way to pass the argument, first Just use this stupid method. Remember that there are several DS that need to write the corresponding item function, I'll just list Item03, I'm not going to tell you that I've piled up 24 to Item24 Code to copy the code as follows #!/usr/bin/env python #coding =utf-8 Import

Comprehensive analysis of the third chapter of "writing an operating system by yourself"-"Real mode"-"protection mode"-"Real mode"

, because the attributes in the CS high-speed buffer register meet the requirements of the actual mode when a 32-bit code segment cannot be returned. The reason for the above two aspects is that starting from 80286, high-speed buffer registers for each segment register are added, and these buffer registers are invisible to programmers, in real mode, the value of these high-speed buffer registers cannot be modified. To change the value of these registers, you must modify the corresponding segment

The disadvantage of her lectures was that she was not surprised when she started the course. She could not read the course step by step, but she could indeed learn more. Top up

The disadvantage of her lectures was that she was not surprised when she started the course. She could not read the course step by step, but she could indeed learn more. [/Color] [/B]Chapter 1 Introduction-1 (concept, logical structure, storage) http://db.pku.edu.cn/mzhang/ds/media/1_intro_LogStore.rmChapter 2 Introduction-2 (storage structure, ADT, algorithm features, algorithm measurement) http://db.pku.edu.cn/mzhang/

Familiarize yourself with hive statements through the student-course relationship table

value on the first join. Hive> select student. *, SC .* From student join SC on (student. Sno = SC. SnO); Queries student scores. Hive> select student. sname, course. cname, SC. Grade From student join SC on student. Sno = SC. Sno join course on SC. CNO = course. CNO; Total mapreduce jobs = 2 Left, right, and fullThe outer keyword is used to process join null records. Hive> select student. sname, SC. CNO from student left Outer Join SC on student. sno = SC. sno; if the SC corresponding to the

Extjs learning notes (3) the most basic grid_extjs

. ColumnModel. Let's see how to create a ColumnModel object: The Code is as follows: Var cm = new Ext. grid. ColumnModel ([{Id: 'company', header: "company", width: 160, sortable: true, dataIndex: 'company '},{Header: "Price", width: 75, sortable: true, dataIndex: 'price '},{Header: "Change", width: 75, sortable: true, dataIndex: 'change '},{Header: "% Change", width: 75, sortable: true, dataIndex: 'pctchang '},{Header: "Last Updated", width: 85, s

Extjs learning notes (3) the most basic grid_extjs

. ColumnModel. Let's see how to create a ColumnModel object: The Code is as follows: Var cm = new Ext. grid. ColumnModel ([{Id: 'company', header: "company", width: 160, sortable: true, dataIndex: 'company '},{Header: "Price", width: 75, sortable: true, dataIndex: 'price '},{Header: "Change", width: 75, sortable: true, dataIndex: 'change '},{Header: "% Change", width: 75, sortable: true, dataIndex: 'pctchang '},{Header: "Last Updated", width: 85, s

Extjs learning notes (3) Basic grid

Jquery is the opposite in this regard. Its UI is provided in the form of a plug-in and can be referenced as needed, so it is very small and flexible, however, because the plug-ins are often provided by different people or teams, the interfaces and interfaces are often different. However, they have their own merits. Today, I learned about grid in extjs. It can be said that it is powerful and has nothing to do with its right. It is just something you can't think of and cannot do without it. It see

Use PHP to build your own MVC framework

items and database connections. The main content is: It should be said that config. php involves not much content, but some basic data settings. let's take a look at how to write shared files shared. php in the library. $ Var) {if ($ var ===$ GLOBALS [$ key]) {unset ($ GLOBALS [$ key]) ;}}}/ * main request method, main purpose: split the URL request */function callHook () {global $ url; $ urlArray = array (); $ urlArray = explode ("/", $ url ); $ controller = $ urlArray [0]; array_shift

Interrupt in Chapter 12th

, ax Mov word ptr es: [0], 200 h Mov word ptr es: [2], 0 Mov ax, 4c 00 h Int 21 h Do0: jmp short do0start Db "overflow! " Do0start: mov ax, cs Mov ds, ax Mov si, 202 h; Set ds: si to point to string Mov ax, 0b800h Mov es, ax Mov di, 12*160 + 36*2; Set es: di to the center of the video storage space Mov cx, 9; Set cx to String Length S: mov al, [si] Mov

Write the Operating System (write the simplest operating system on 8086 using assembler)

[1], # 0x1fLoop1: JMP loop1This is an assembly program that as86 can understand. The first sentence specifies the entry point of the program and declares that the entire process starts from start. The second line specifies the start position, indicating that the entire program should be executed from start. 0xb800 is the starting address of the video memory. # Indicates that it is an immediate number. Execution statement:MoV ax, # oxb800The value of the ax register is changed to 0xb800, which i

Analysis on TMD1.82

Recently I learned a lot of shell removal scripts, and Tortoiser also made a lot of videos about shell removal, which made me learn a lot and feel the power of the experts. I also need to work hard. Of course, sometimes I read the script and sometimes it appears like this. to be honest, I cannot know why such a feature is extracted there. you need to know that only you can find the answer through practice. I chose the Themida v1.8.2.0 shelling program. In addition to the OEP processing option, t

About PagedDataSource Paging properties and the DataSet and DataTable explanations

gets a value that indicates whether the current page is the last page.Ispagingenabled gets a value that indicates whether paging is enabled.IsReadOnly gets a value that indicates whether the data source is read-only.IsSynchronized gets a value that indicates whether access to the data source is synchronized (thread safe).PageCount gets the total number of pages required to display all items in the data source.PageSize Gets or sets the number of items to display on a single page.Virtualcount Get

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