how to print in printer

. PLG Text/html . pls Audio/scpls . plt Application/x-plt . png Image/png . png Application/x-png . pot Application/vnd.ms-powerpoint . PPA Application/vnd.ms-powerpoint . ppm application/x-ppm . pps Application/vnd.ms-powerpoint . ppt Application/vnd.ms-powerpoint . ppt Application/x-ppt . pr Application/x-pr

Computer Tutorials How the computer screenshot The method is as follows: 1, the keyboard on the most line of the function key F12 and then to the right there is a key full name "Print screen" keyboard This key shorthand "PSC" or "Prt Sc". "Prt Sc" key is the system with the screenshot function key, after the press, you can paint, or photoshop inside paste, it will be your key moment of the w

Win8.1 has been on the market for some time, and a variety of application tips have been dug up almost. But for this broad-meaning operating system, the occasional one or two "unknown secret" is definitely not a novelty. For example, the three tips that we're going to introduce today, I bet a lot of people haven't heard of it. 1. Automatic Screen Cutting Many software has its own screen-cutting function, but after all, there is no system to bring convenience. Forget print screen, Win8.1 is mor

, and arguments are passed through __init__ () to the instantiation of the class. For example:class Comlex (): def __init__ (Self,realpart,imagpart): = Realpart == Complex (3.0,-4.5)print(x.r,x.i) # output: 3.0-4.5Self represents an instance, not a classThere is only one special difference between a method of a class and a normal function-----they must have an extra first parameter name, according to the Convention its name is self.class Test: def

. ppt = Application/vnd.ms-powerpoint . ppt = Application/x-ppt . PR = APPLICATION/X-PR . PRF = Application/pics-rules . PRN = Application/x-prn . PRT = Application/x-prt . PS = Application/x-ps . PS = Application/postscript . PTN = APPLICATION/X-PTN . pwz = Application/vnd.ms-powerpoint . r3t = Text/vnd.rn-realtext3d . RA = Audio/vnd.rn-realaudio . Ram = Audio/x-pn-realaudio . RAS = Applicat

code table to convert. * Do not know whether to find the UTF8 code is completely correct. Confused ing * The code value is computed for each character, although the call Utf2ucs. Efficiency is too low. However, the code is clear, if you embed that computational process. * The code is not easy to read. */ function Utf8escape ($STR) { Preg_match_all ("/[\xc0-\xe0].| [\xe0-\xf0]..| [\x01-\x7f]+/", $str, $r); PRT ($R); $ar = $r [0]; foreach ($ar as $k =>

within the class { The reason for bulb = new int[n+1];//n+1 is that bulb[n] is the highest starting from Bulb[0 only bulb[n-1], so for the nth bulb corresponding to bulb[n], initialize bulb[n+1. for (int i = 0; I { Bulb[i] = 0; } edges = new vectorParent = new Int[n]; } ~graph ()//Free pointer space { Delete[] Bulb; Delete[] edges; Delete[] Parent; } void drawgraph (int prt,int son)/Start drawing node graph, external input each node corresponding chi

data after you use ACCESS_OK. You can use the following interface to transfer data:Put_user (Datum, PTR)__put_user (Datum, PTR)These macros define write datum to user space, they are relatively fast, and should be invoked in place of copy_to_user whenever a single value is to be routed. These macros have been written to allow the passing of any type of pointer to Put_user as long as it is a user-space address. The data size that is transferred depends on the type of the

designers should think of it as worthwhile. During program writing, what if you don't know how many elements are needed in your own array? At this point, simply create the element in the array with new. Here, even if you are going to create an array of basic data types, new will work as normal (new does not create a primitive type that is not an array): : Arraynew.java //creating arrays with new. Import java.util.*; public class Arraynew { static Random rand = new Random (); s

Select title: 1. For the following class CA, in the case of a 32-bit computer, four-byte alignment, sizeof (CA) = () Class CA{PublicCA ();Virtual ~ca ();Privateint m_itime;PublicVirtual gettime ();settime (int itime);}; A.4 b.8 c.12 d.16 2. The following procedure, the print result is () Class Cparent{PublicCparent () {}~cparent (){G_icount + = 1;}};Class Cson:public Cparent{PublicCSon () {}~cson (){G_icount + = 2;}}; void Main (){Cparent *pp = new CSon ();Delete pp;coutPp=null;} A.1 B.2 C.3 D

Address/pointer and string, address/pointer string When I did my homework today, I found the following problems. The homepage is the self-developed strncpy function: #include "ctype.h"#include "stdlib.h"#include "string.h"#include "windows.h"int main(){char *strata(char s1[],char s2[],int n);char nam1[41]="das";char nam2[41]="wo shi yi ge da sha bi";strata(nam1,nam2,4);puts(nam1);system("pause");return 0;}char *strata(char s1[],char s2[],int n){int i;char *p