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specified fractional number before or after it, and it is truncated altogether.Its specific syntax format is as followsTRUNC (Number[,decimals])whichNumber to be intercepted and processedDecimals indicates the number of digits after the decimal point to be retained. Optional, ignore it to truncate all the decimal partsHere's how this function is used:TRUNC (89.985,2) =89.98TRUNC (89.985) =89TRUNC (89.985,-1) =80Note: The second parameter can be a negative number, which means that the portion of

sets of memory datax/8i 0x0804843b # Show 8-line Assembly instructions13. Processes and Threadsinfo proc Mappings # equivalent to cat/proc/{pid}/maps viewing maps memory databreakpoints can be set at pthread_create, which generates a hint when the thread is created. [New Thread 0xb7e78b70 (LWP 2933)]Info Threads # View All Threads listwhere # shows the current thread call stackThread num # toggle thread [Switching to thread 1 (thread 0xb7e796c0 (LWP 2932)] #0 0xb7fe2430 in __kernel_vsyscall ()1

MYSQLBMysql-uroot-p ' Mnvq_yog9 ' 5) Generate the Change master statement and execute it on the MYSQLB> STOP SLAVE; > Change MASTER to master_host= ' 172.16.4.235 ', master_user= ' repl_user ', master_password= ' mnvq_yog9 ', Master_log_ File= ' mysql-bin.000002 ', master_log_pos=120;> START slave;> SHOW SLAVE status\g650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/57/8A/wKioL1SdKKrCngloAATkjRsqgnM327.jpg "title=" 2.png " alt= "Wkiol1sdkkrcngloaatkjrsqgnm327.jpg"/>The status of Slave

directory of root super UserLib 32-bit library fileLIB64 64-bit library fileOpt third-party software installation addressUser Software Installation Addressvar frequently transformed data holds address log storage addressThe mount point of the MNT deviceLost+found didn't have time to save the file, the last strawIv. Catalogue of Proc Proc/cpuinfo CPU InformationCat/proc/cpuinfoLscpu Proc/meminof Memory InformationCat/proc/meminofFree-h: Human Readable language Proc/mounts Mounti

The previous Process Control 2, describes the zombie process, and the solution of the two kinds of 4. Add two more below.How to resolve:3: Ignore SIGCHLD signalParent process settings Ignore SIGCHLD signal, child process end automatically frees process table resourceIgnore SIGCHLD signal:Signal (SIGCHLD, sig_ign)4: Capture SIGCHLD SignalThe parent process captures the SIGCHLD signal and executes the wait () in the Capture function codeHandling SIGCHLD Signals:void Pfun (int nsignal)Signal (Sigch

(Transferred from: http://wenku.baidu.com/view/af39b3164431b90d6c85c72f.html)The fourth day of Android Learning to supplement--android's common controlsFamiliar with the use of several commonly used Android control methods:One, Radiogroup and radiobutton--radio buttonsSecond, checkbox--check boxThree, toast--prompt box, will automatically disappearIv. progressbar--progress Bar ToolV. listview--display the control as a listHere is a detailed explanatio

Supplement to Oracle optimization ldquo; index building rdquo; Supplement to Oracle optimization ldquo; index building rdquo; Indexing is a good method for tuning and greatly improving the query speed. However, in addition to creating an index for each field, you can also create an index as follows: 1. Create a joint index for the query condition: Combine all fields used by a table in the query co

21.7 windows_21_library_variable_dll_use Dynamic Library Supplement 7 // windows_21_Library_Variable_DLL_USE.cpp : 定义控制台应用程序的入口点。 // #include "stdafx.h" //第三步，导入lib文件 #pragma comment(lib,"../debug/windows_21_Library_Variable_DLL.lib") //__declspec(dllimport)导入相对于__declspec( dllexport )导出 extern __declspec(dllimport)int g_nValue1; extern __declspec( dllimport )int g_nValue2; int _tmain(int argc, _TCHAR*

HTML tag elements are very many, one-time mastery of all, it is impossible, in the subsequent study, will continue to supplement the tag elements ...1. line elements and block elementsA row label element is a LABEL element that adapts to the size of the content, rather than occupying a whole line.such as The block tag element is a fixed size of the label element, not automatically adjusted to the content size.Can the row and block elements be converte

I have been reading this article a few days ago to correct and supplement "tempdb management in SQLServer": the management of tempdb in SQLServer has found that some of the content is not very accurate. The article said: like other user databases, TempDB uses the Model database as a template to create and query tables. Does not work with other user Databases I have read this article for some corrections and supplements in SQL Server tempdb management

: This article mainly introduces the difference between const and define in php (supplement). If you are interested in PHP tutorials, refer to it. A constant is the identifier (name) of a simple value ). As its name implies, this value cannot be changed during script execution (except for so-called magic constants, they are actually not constants ). Constants are case sensitive by default. Constant identifiers are always capitalized. You can use the

: This article mainly introduces the object-oriented (4) inheritance supplement of php learning notes. if you are interested in PHP tutorials, refer to it. Previously, every time a new object is created, the _ construct method will be executed first. Then, when inheriting, will the _ construct method of the parent class be executed first, and then the _ construct method of the subclass be executed? Let's do an experiment: classFather{publicfunction__

Python quick tutorial (supplement 02): Python tips Import Module In Python, the import declaration is often used to use objects defined in other modules (that is, other. py files. 1) use _ name __ When writing a Python library module, we often run some test statements. When this program is imported as a database, we do not need to run these test statements. One solution is to comment out the test statement in the module before import. Python has a bet

OracleEBS consignment VMI (4) -- gt; Basic settings supplement Oracle EBS consignment/VMI (4) -- gt; Basic settings supplement PO --> supply source --> approved supplier list Find the supplier corresponding to the material "105010000056"-> click "properties" to enter the "supplier material properties" form, When "inventory" is set, "supplier delegate" cannot be selected, the following prompt is disp

Front:Although the front of the network, though a lot of Daniel's experience, but the feeling still do not do, in order to thoroughly understand the JS in this knowledge, decided to write another article. Personally, technically, unless you drill into the details, it is difficult to reach a very high level.Supplement 1:This cannot be overridden because it is a keyword.Supplement 2:Pasting$ ( function () {$ ( ' button ' ). Click (function () {alert (this ); //this represents native Dom $

Li = [11,22,33,44]def f1 (ARG): Arg.append (55)#函数默认返回值None, the function argument is passed a referenceLi = F1 (LI) Print (LI) Built-in function supplement: Determine if it is called Def f1 (): Pass Print (callable (F1)) ASCII code and digital conversion #数字转换为ASCII码r = Chr (65)Print (R)#ASCII转换为数字n = Ord (' a ')Print (n) Random Verification Code Import RandomList_temp =[]For I in range (10):

Latest CAD title examination materials (Jiangsu) Sorting time: 2009-7 Organizer: Xu CAD software: AutoCAD2002 mini edition [directly run after decompression to install] Note: during the formal examination, the AutoCAD2000 Chinese version is used for advanced courses, and the AutoCAD R14 Chinese version is used for intermediate courses (sometimes acad2000) Download exercise Library: 01-appendix exercise 02-normal exercise 03-other exercises 1 04-other exercises 2 intermediate Exam 1

In the previous article "Supplement to SQL query optimization -- (in)", we mainly discussed the query statements such as select... from... where... in. Next, let's discuss Select... from... where... exists. The query speed of exists is much higher than that of in, which is well known, but we cannot say that exists is used to replace in completely. Why? Let's take a look at the use of exists instead of in. Select... from a where ID in (select ID fro

Constructor: Tweenmax (Target:object, Duration:number, Vars:object)Target:object-objects that need easingDuration:number--Slow durationVars:object--Other parameters (unique attributes 29, plug-in 17, public properties 10, public method 20)Here is a supplement to VARs:In fact, are basically some of the properties of CSS3: .....(1) x:x axis movement{x:100} or {x:-100} ...(2) Y:y axis movement{y:100} or {y:-100} ...(3) Alpah: Transparency{alpah:0} or {al

BSP Splitting Algorithm supplement-after the document on splitting a triangle is completed, a complicated scenario is created. After segmentation, problems with the original algorithm are discovered. According to this supplement, the original document will be deleted and modified again, causing inconvenience to readers. I hope you will forgive me. In the segmentation algorithm mentioned in the previous arti