of cable television network channels;
premium cable TV channels HBO ( America's most influential pay channel ): has aired a number of classic American dramas : "Brother Lian", "Sopranos", "Game of Rights", "true exploration";
Warner Bros. Entertainment : including Warner Bros. films,DC Comics, Warner Bros. Games, one of the world's largest film and television production companies . "Batman", "The Matrix", "Harry Potter", "Lord of the Rings", "Th
In March 2015, Time Warner announced the launch of a separate HBO streaming subscription service that would differentiate itself from cable operators. Shortly thereafter, CBS launched a "allaccess" service with a subscription fee of $5.99 per month, and subscribers can watch live broadcasts of local stations through their websites and mobile apps, the current series of all-season episodes (which can be viewed in the subscription service after a day of
This article mainly introduces the output results of various parameters in PHPPDOfetch mode. The purpose of this article is to easily select different parameters based on actual needs, so that you do not need to test them one by one. For more information, see
This article mainly introduces the output results of various parameters in the php pdo fetch mode. The purpose of this article is to easily select different parameters based on actual needs, so that you do not need to test them one by one.
This article mainly introduces the output results of various parameters in PHPPDOfetch mode. the purpose of this article is to select different parameters based on actual needs, so that you do not need to test them one by one, it is too convenient for anyone to refer to the fetch mode function of PDO, but it is too troublesome to try to generate the desired results every time. the possible combinations are listed here.
The code is as follows:
$ DbAdapter = new PDO ("mysql: host = localhost; db
PHP PDO Fetch mode output list of various parameters, Pdofetch
The Fetch mode feature of PDO is very convenient, but it is too cumbersome to produce the desired results each time, here is a list of possible combinations.Copy CodeThe code is as follows:$dbAdapter = new PDO ("Mysql:host=localhost;dbname=test", "root", "1234");$dbAdapter->exec ("SET NAMES ' UTF8 ';"); $data = $dbAdapter->query ("SELECT ID, name, method from category")->fetchall (PDO::FETCH_ASSOC); Var_dump ($data);/*ArrayArray' id
A list of output results of various parameters in PHPPDOfetch mode, pdofetch. The output results of various parameters in PHPPDOfetch mode are at a glance. the fetch mode function of pdofetchPDO is too convenient, but it is too troublesome to try to generate the desired results every time, the output results of various parameters in the php pdo fetch mode are listed here.
The fetch mode function of PDO is too convenient, but it is too troublesome to try to generate the desired results every tim
The PDO Fetch mode feature is so handy, but it's too much trouble to try to produce the desired results, and here's a list of possible combinations.
Copy Code code as follows:
$dbAdapter = new PDO ("Mysql:host=localhost;dbname=test", "root", "1234");
$dbAdapter->exec ("SET NAMES ' UTF8 ';");
$data = $dbAdapter->query ("
SELECT ID, name, method from category
")->fetchall (PDO::FETCH_ASSOC);
Var_dump ($data);
/*
Array
Array
' id ' => ' 1 ',
' Name ' => '
Movie NewsGeorge R. R Martin used a fantastic masterpiece to get hundreds of millions of fans, eventually making it into a small screen, but the epic of a magnificent film. Immediately after that, it created high ratings, became the Golden Ball and Amy's regulars, to big investment to get big returns, but also to hang up the "ice Fire fan" appetite. Since 2011 warm spring launched "The Game of Power", the first quarter of the vast, the second quarter of gorgeous development, to the third quarter
Tons (), ntohl (), ntohs (), htons () function
Posted on heaad reading (10158) Comments (1) EDIT favorites
When writing a network program in C/C ++, the network sequence and host sequence of bytes are often encountered. You may use the htons (), ntohl (), ntohs (), and htons () functions.
The conversion function between the network byte sequence and the local byte sequence:
Htonl () -- "host to network long"
Ntohl () -- "network to host long"
Htons () -- "host to network short"
Ntoh
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5 Hbo–home Box Office
American
Basic socket concepts
Stream)
Connection)
Blocking and non-blocking)
Synchronous and asynchronous)
IP address
The IP address is the unique IP address identifier in the Internet.
The IP address is a 32-bit long (to be expanded to 128 bits)Each Internet package must contain an IP address
Use the dotted-decimal Notation:Separate the four-byte numbers of the IP address in decimal format with dots, for example, 202.112.58.200 (0xca703ac8)
SOcketClose()Close a SOcketBind()The server(IP, Port)Give SOcketListen()Waiting for incoming customer connection requests(TCP)Accept()Accept client connection requests and establish connections(TCP)Connect()Making a connection request to the serverSend()/recv()Send/Receive Databyte order ) different machines HBO is not the same as the CPU design about Motorola 68 K series, HBO and NBO the same Intel x86
When you write a network program in C + +, you will often encounter the problem of byte network order and host order. It is possible to use htons (), Ntohl (), Ntohs (), htons () the conversion function between the 4 network byte order and the local byte order:
These functions are required because the computer data represents two byte orders: Nbo and HBO.
Network byte sequence Nbo (network byte order):You can avoid compatibility problems by storing
Foshan opened its website on the 18 th Ring Road. It may not allow the two wheels to go on the road in the future. We will seize this opportunity to join the road. Last weekend, we and HBO will "go on the road. Every thought of is the last to get tired and imaginary body into the pen ..... This is the consequence of no exercise. In the evening, I arrived at the Pingsheng Bridge and couldn't see it. I had to leave it alone. This afternoon, I went over
byte order
Concept
the key points to be explained in the concept:
The concept of small and big endian in the host byte-order. Big and small ends are concepts that are stored on the host with a multibyte integer.
network byte order, when a multibyte integer is transmitted over a network, is specified to be transmitted in big endian order. In a host of different types of CPUs, memory stores multibyte integer sequences in two ways, called host byte order (
{u_short s_w1,s_w2;} S_un_w; U_long s_addr; //s_addr storing IP addresses in network byte order} S_un; #defineS_addr S_un. S_addr }; In a C + +when you write a network program, you often encounter problems with the network order and host order of the bytes. It is possible to use the 4 functions of htons (), Ntohl (), Ntohs (), htons (). Conversion function between network byte order and local byte order:#include htonl ()--"Host to Network Long"Ntohl ()--"Network to
variable is 0102.Assume that the local host is of the Intel type, it is a little troublesome to indicate this variable:Define the variable short X,The byte stream address is PT, And the READ memory isX = * (short *) pt );The memory order of X is certainly 01 02.According to the rules that are not "WYSIWYG", the memory order is obviously the same as that seen, so we need to change the positions of these two bytes.The change method can be defined by yourself, but it is more convenient to use exis
What is the difference between network byte sequence and machine sequence?
There are two types of byte sequence: nbo and HBO.
Network byte order ):It stores data in a sequence from high to low and uses a unified network byte sequence on the network to avoid compatibility issues.
Host byte order (HBO, host byte order ):HBO varies with different machines and is r
Sockaddr structSockaddr's defect: sa_data mixed the target address and port information
Struct sockaddr {Unsigned short sa_family;Char sa_data [14];};
Sa_family is the communication type, and the most common value is "af_inet"Sa_data14 bytes, including the destination address and port information in the socket
Sockaddr_in structThe sockaddr_in struct solves the sockaddr defect and stores the port and ADDR separately in two variables.
Struct sockaddr_in {Short int
short B's byte order is:01 02This is the network byte sequence. The order we see is the same as the order in the memory!Assume that the two byte streams of network data obtained through packet capture are: 01 02
The byte order is different. The order in the memory is 02 01.If this represents two bytes, you do not need to consider the byte sequence. If this represents a short variable, you need to consider the byte sequence. According to the "WYSIWYG" rule in the byte sequence of the network, th
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