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This article is senlie original, reproduced Please retain this address: http://blog.csdn.net/zhengsenlie 1. Only let your process call accept, and then "pass" the accepted connected socket to a sub-process.In this way, you do not need to provide lock protection because all sub-processes call accept.2. The parent process must track the idle status of the child process to pass a new socket to the idle child process. Typedef struct {pid_tchild_pid;/* th

PHP performance optimization (1)-Five Tips. 1. do not copy variables at will. sometimes, to make PHP code more clean, some new PHP users (including me) will copy the predefined variables to a variable with a shorter name. In fact 1. do not copy variables at will. Sometimes, to make PHP code more clean, some new PHP users (including me) will copy the predefined v

Purpose : Why is there a need for communication between processes?1. Data transmissionA process needs to send his data to another process.2. Resource SharingShare the same resources across multiple processes.3. Notification EventsA process needs to send a message to another or a set of processes to notify them that an event has occurred.4. Process ControlSome processes want full control over the execution of another process (the eg:debug process), at

#region GetjsondataGet JSON datapublic static string Getjsondata (DataSet ds,string keyfileds){StringBuilder html = new StringBuilder ();String[] alist;Alist = Keyfileds.split (', ');Html.append ("[");for (int i = 0; i {Html.append ("{");int j = 0;foreach (String str in alist){Html.append ("_" + j + + + ":" "+ ds.tables[0].rows[i][str].tostring () +" ",");}Html.remove (html.length-1, 1);Html.append ("},");}

/*_##################################### #######################################_##### Programming Windows Programming Design Guide-> Chapter 5 example program 1_ ## Author: xwlee_ ## Time: 2007.06.17### Chang'an University_ ## Development condition: win2003 SERVER + vc6.0_##_ ## Program 5-1 devcaps_ ## Devcaps. c file### When the program displays a video display

: This article mainly introduces Question 1: Find out the sum of multiples of 3 and 5 in natural numbers below 1000 ., If you are interested in the PHP Tutorial, refer. Copyright Disclaimer: This article is an original article by the blogger and cannot be reproduced without the permission of the blogger. The above introduces Question

the bridge on the Mengpo soup, but also to drink forget the river in the water, but the water is the ancient fairy dew, is the ordinary soul can digest So, the love of the world is actually the love of past life and then continue The eyes of me, in my eyes you, in the past years, have been in love for thousands of years And the world, I still waiting for you, you still waiting for me, even though you my face has been wasted in the cycle of life, I still remember you night under the

Original: WCF Series 5-day crash-the first day of binding use (1)As a WCF Crash series, just introduce some of the practical facts that are commonly used in project development.Learn about WCF, or just a few of these terms. There is an ABC concept in WCF, which isThe first: "A" is the address, which is to tell others where I am WCF.Second: "B" is a binding, that is, to tell others should take what way to co

Translated from Objective C # 1. properties)Abstract attributes can be placed in the interface definition. For example:Public interface INameValuePair { String Name {get ;} T Value {get; set ;} } Attribute processing is recommended for access to all private fields. All data members in the class should be private. Attribute is actually a method within FCL. The attribute can also be virtual, and a separate access modifier can be provide

Document directory 0: stopped 0: downtime 1: single-user mode, only root for Maintenance 2: multi-user, cannot use net file system3: full multi-user 5: Graphical 4: security mode 6: restart actually, you can view/etc/rc. rc * in d *. d .. Init 0, the corresponding system will run, the program specified in/etc/rc. d/rc0.d. Let's take a look at the name. [Root @ localhost ~] # Ls/etc/rc. d/rc0.d rj1_k35nmb

First, briefly introduce the underlying statement: 1, Description: Create a database tutorialCreate DATABASE Database-name 2, Note: Delete the databaseDrop Database dbname 3, Description: Backup SQL ServerDevice to create backup data---Use masterEXEC sp_addumpdevice ' disk ', ' testback ', ' C:mssql7backupmynwind_1.dat '---start BackupBACKUP DATABASE pubs to Testback 4, Description: Create a new tableCREATE TABLE TabName (col1 type1 [NOT NULL] [pr

. nullable (). length (50 );} Once the value object is mapped, we can define the customer ing of the name attribute of the customer object. Add the following code to the mermap constructor: Component (x => X. customername ); After finishing the basic knowledge required for fluent ing, We will map the model below. Practical Time-map our model 1. Download the source code and add references as required at the beginning of this article. 2. in

data, this data will record the backup data of other disks for rescue when the disk is damaged. Because of the same check code, the total capacity of the RAID5 is reduced by a chunk of the overall disk count.RAID5 only supports the damage of a piece of disk by default. Spare disk preparation capabilities.is one or more disks not included in the original disk array level, this disk is not used by the disk, when there is any disk damage to the disk array, then this piece of spare disk will be act

matched substrings, or retrieve substrings that meet certain conditions from a string. In the column Directory, *. txt in dir *. txt or ls *. txt is not a regular expression, because here * is different from the regular expression. A regular expression is a text mode consisting of common characters (such as characters a to z) and special characters (such as metacharacters. A regular expression is used as a template to match a character pattern with the searched string.

DescribeGive an integer A and a positive integer n, to the exponentiation of an.Enter a row that contains two integers a and n. -1000000 2 3Sample output8 #include int main () { int a,n,i,sum=1 ; scanf ( %d%d ", a,n); for (I=1 ; I) sum =sum*A; printf ( %d " ,sum); return 0 //If the range of n is larger, such a simple loop will be significantly timed out //For the exponentiation of the hi

PHP album system source code/* This is a simple PHP album system, including the following files conn.php database connection file and file upload function and paging function vc.php used to display the album files.php photo upload file index.php Album Management code savefile.php save file code PHP Tutorial album system source code/*This is a simple PHP album system, including the following filesconn.php Database Tutorial Connection file and file upload function and paging functionVc.php used to

Direct volume syntax /pattern/attributes To create the syntax for a RegExp object:Copy code code as follows:var obj=new regexp (pattern,attributes); Case 1:Copy code code as follows:var pattern=/a/;document.write (Pattern.exec ("Asdas")); Case 2:Copy code code as follows:var obj=new regexp ("a");document.write (Obj.exec ("Asdas")); The execution results of Case 1 and Case 2 are the same;ParametersParam

' When the target page contains the file that is the #include page, there is response. End () There is a problem with this procedure' NOTE: This file must be placed in the same directory as the 20041227111723.htm pointing file Dim Hughchiu_rtcode Function Get_exe_code (20041227111723.htm) Dim Execode Dim tmp_str Dim Re,re1,content,fso,f,aspstart,aspend Dim ms,m Execode = "" Set Fso=createobject ("Scripting.FileSystemObject") Set F=FSO. OpenTextFile (Server.MapPath (20041227111723.htm)

The main color of the material picture is mainly green. Green level sense is not very strong, when processing can be different levels of green to other colors, such as warm, to increase the warm feeling of the picture.Original Final effect 1, open the original material, found that the leaf part of the color is closer, first create an optional color adjustment layer, th

Original Final effect 1, open the original material, create an optional color adjustment layer, yellow, green, black adjustment, parameter settings such as Figure 1-3, the effect is shown in Figure 4. This step turns the green grass into yellow, and the dark part adds some dark blue.