think that the download speed of multiple small pictures would be less than the download speed of a large picture. But now the results of the analysis of multiple pages using the HttpWatch tool indicate that this is not the case.
The first picture is an analysis of a large picture of the size of a 40528bytes 337*191px.
The second picture is an analysis of a small picture of the size of a 13883bytes 280*90px.
Analysis results of a large pictur
Product ID and quantity to a cookie
var cat=window.open (″showcat.asp″,″cat″,″toolbar=no,menubar=no,location=no,status=no,width=420,height=280″); Open a new window to display the statistics of the product information, that is, "trolley"}
Remove the goods from the "cart"
That is, the product information in the cookie deleted, call Deletecat (CATID) can be.
function Deletecat (CATID) {
Deletecookie (″mycat″+catid); Remove from Cookie
var cat=window.
Tags: table_map_event1. Introduction In the row format of the Binlog file, each row_event has a table_map_event that describes the internal ID and structure definition of the table. Mysql> Show Binlog events in "mysql-bin.000002"; +------------------+-----+-------------+-----------+-------------+--------------------------------------------- +
| Log_name | Pos | Event_type | server_id | End_log_pos |
Info | +------------------+-----+-------------+-----------+-------------+------------------------
Tags: MySQL binlog1. Introduction Binlog records database changes in the form of events. You can view events by executing the show Binlog events in "Binlog file" command Mysql> Show Binlog events in "mysql-bin.000002"; +------------------+-----+-------------+-----------+-------------+--------------------------------------------- +
| Log_name | Pos | Event_type | server_id | End_log_pos |
Info | +------------------+-----+-------------+-----------+-------------+--------------------------------
parameters specified in the SQL statement data assignment Operation 4, return the effect of the last self-increment field value 2, Execu Te_rowcount (query, (patameters,**kwparameters)) 1, query: SQL statement to execute 2, *patameters: Data is passed to the parameter specified in the SQL statement 3, **kwparameters: The assignment of data to the parameters specified in the SQL statement 4, returns the number of rows affected 3, instance: Db.execute ("INSERT into houses (title, Position, Pric E
shopping table is grouped by class name Selectclass, SUM (Price) fromShopping GROUP BYclass; --items in a shopping table grouped by class name show goods with a total price of more than 150 for each group Selectclass, SUM (Price) fromShopping GROUP BYclassHave SUM (price) >150; #having and where both can further filter the results of the query, the differences are:
#
#
#aggregate functions can be used in --Group_concat () function: see results for yourself SELECT id,group_concat (product_name),
in Interface Builder. Before you do anything else, please disable auto layout in nib first. You can find this option in File Inspector:Deselect the Use AutoLayout check box. Now your nib is using the old version of the struts-and-springs mode.Tip: Any new nib or storyboard file that you create with Xcode4.5 or later will use Auto Layout by default. Because the Auto layout feature is only available in iOS 6, if you want to use Xcode4.5 to do some IOS5-compatible apps, you'll have to deselect ' u
");
}
Else if (mynum
Printf ("the number is small! \ N ");
}
Else {
Printf ("Congratulations, you guessed it! \ N ");
Break;
}
}
}
Dp @ dp :~ /Cquick % gcc guessnum. c-o myguess
Dp @ dp :~ /Cquick %./myguess
Hello, please enter a number: 55
The number you entered is: 55
The number is small!
Hello, please enter a number: 280
The number you entered is: 280
The number is small!
Hello, please enter a
WPF implements the animation effect of moving left and right (shaking), while wpf shakes
The examples in this article share with you the code for displaying the Left and Right mobile effects of WPF for your reference. The specific content is as follows:
DoubleAnimation and Storyboard are mainly used to move left and right controls or la S.
Layout code:
The background code is:
Private void Button_Click (object sender, RoutedEventArgs e) {DoubleAnimation DAnimation = new DoubleAnimation (); DAnim
, alphabetical, ideopgraphic, and bottom. fillText ('12', 100, 20); // stroke path context. stroke (); // additional exercise context. moveTo (230, 10); // arcTo (x1, y1, x2, y2, radius): draw an arc from the previous point to (x2, y2, and pass through (x1, y1) context with the given radius. arcTo (280, 60,330, 10, 50); // bezierCurveTo (c1x, c1y, c2x, c2y, x, y): Draw a curve from the previous point to (x, y), and (c1x, c1y) (c2x, c2y) as the control
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