Lab preparation:
hr@ORCL> drop table t purge;Table dropped.hr@ORCL> create table t (code number);Table created.hr@ORCL> create table t_audit (code number,ins_date date);Table created.hr@ORCL> create or replace trigger tri_audit_t 2 before insert 3 on t 4 for each row 5 begin 6 insert into t_audit values(:new.code,sysdate); 7 end; 8 /
Open two sessions at the same time and make the following Configurati
(I) function index traps when using function indexes, you must re-build the function index after the function code is changed. Otherwise, Oracle will return an error result but will not be prompted for the following test: [plain] viewplaincopyprint? SPANstyleBACKGROUND-COLOR: rgb (102,102,102) hr @ ORCLdroptabletpurge; Tabledropped. hr @ ORCLcrea
(I) function index traps when using function indexes, be sure
(I) direct path loading and buffer cache
Data inserted in the direct path is directly formatted as an oracle block from PGA without passing through the buffer cache.
Then, a common ORACLE Server process writes data blocks to data files.
Dbwn is not required because it does not pass through the buffer cache.
For example, if Table A is available, you need to insert data in Table B into Table A. Under normal insertion, You need to first Insert the data block I/O of Table A to the buffer cache.
Re
DATE, Long_value LONG)
;
--Remove sql*plus V3 name for sqlplus_product_profile DROP TABLE product_profile;
--Create The View Product_privs and grant access to that DROP view Product_privs; CREATE VIEW Product_privs as SELECT PRODUCT, USERID, ATTRIBUTE, SCOPE, Numeric_value, Char_value, Date_vaLUE, long_value from sqlplus_product_profile WHERE USERID = "Public" OR USER like USERID;
GRANT SELECT on Product_privs to public;
DROP public synonym Product_profile; CREATE public
registry. Ie3 checks whether a control in the registry can be safely initialized and operated by scripts. Ie3 calls the icatinformation: isclassofcategories method to determine whether the control supports the Security Group.
1. Creates an MFC ActiveX Control called axcschart. ocx.
2. In axcschart. cpp
Add header file
//.........................# Include "comcat. H"# Include "objsafe. H"//.........................
Const guid cdecl clsid_safeitem ={0x7ae7497b, 0xcad8, 0x4e66, {0xa5, 0x8b, 0xdd,
#008 CComPtr
#009 CComPtr
All variables use CComPtr in ATL Libraries (the macro works like a smart pointer, so you don't have to worry about releasing resources when using it ). The declare IRenderEngine interface of the first variable. This interface is used to create a Filter Graph by creating a Timeline for future preview or output files.
Then how should we create Timeline? First, let's recall the creation process of COM variables. Create a COM object through CoCreateInstance and QueryInt
should be noted that in order to reduce the HTTP request, the button picture I was using CSS sprites stitching together, such as
At the same time I also made a big icon version of 32*32, of course, you can also make other sizes, according to the personal needs of the line. The following is the CSS code, not too much good introduction, look at the line.
Copy Code code as follows:
. hr-share-16 A{display:block;width:18px;height:16px;ba
# Include
# Include
# Include
# Include
# Include
Using namespace STD;
Ccommodule _ module; // to use the smart pointer of ccomdispatchdriver ATL, it must be declared
Void enumie (); // enumerate browser Functions
Void enumframe (ihtmldocument2 * pdoc); // Enumerate sub-FRAMEWORK Functions
Void enumform (ihtmldocument2 * pdoc); // enumerated form function
Int main ()
{
: Coinitialize (null );
: Enumie ();
: Couninitialize ();
Return 0;
}
Void enumie ()
{
C
the get. prototype extension method, traverses the dom list, and binds the function to each element. Then let it return get. prototype. Because prototype itself has a property similar to "superclass", all methods returned to the prototype object can continue to call prototype to expand to the method.
To make this attempt more meaningful, let's create an animation function. This function is a commonly used method of jquery for dom operations. With it, most animations become so simple and easy. T
The build of video capture graph a graph graph that captures audio or video is called a capture graph. Capturing graphs is much more complex than normal file playback graphs, DShow provides a capture graph Builder COM component that makes capturing graph generation simpler. The Capture Graph Builder provides a ICAPTUREGRAPHBUILDER2 interface that provides methods for building and controlling capture Graph. The first creates a capture Graph builder object and a graph Manger object, and then us
Http://community.csdn.net/Expert/TopicView3.asp? Id = 5006004
In fact, people do not like Job hopping.However, the current situation is that there are more college students than migrant workers.The rate of wage increases is far behind the rate of house price increasesHello, it's easy to catch up with well-off people.When you get ready, you have to fill in the bottom hole in the cost of medical care and education for children.So, to survive, to the maiden, to the House and to the childrenWe ha
directinput object is used to represent the input device, and a specific device is represented by the directinputdevice object.
The actual creation process is to first create a directinput object, and then create the directinputdevice object through the createdevice method of this object.
Example:
# Include
# Define dinput_buffersize 16
Lpdirectinput; // directinput objectLpdirectinputdevice lpkeyboard; // directinput Device
Bool initdinput (hwnd){Hresult
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.