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can use the following sample code if your program needs to use pointer types for these variables:VarA:integer;Pa:pinteger;BeginA: = 1;PA: = @A;ShowMessage (IntToStr (pa^));EndAs long as the code is entered into the program, it is easy to get the result of the run-that is, the content of the popup dialog box is 1. In fact, the use of pointers is quite complex, and the following code is also correct:VarA:integer;Pa:pinteger;BeginA: = 1;PA: = @A;pa^: = 2;ShowMessage (IntToStr (A));EndIn a program,

) Notdir functionExtracts characters other than the path in the file name, example$ (notdir/home/perfect/mywork/c/main.c./makefileOutput isMAIN.C Makefile4) Suffix functionGets the suffix of the file name$ (suffix./main.c)The output is. CUniversal Makefile FileAs you can see, writing a makefile is still very complicated.The following is a generic makefile file, the author of which is supposed to be gorge Foot, the reason that it is generic, mainly bec

* './test./jdevhome/mywork/empws/empbc4j/test Unlike a classic UNIX system, there is no need to add a-print operation at the end of Linux, because if no other action option is specified, the operation is assumed to be performed. A point (.) at the start of the directory will cause find to start the search in your working directory. Two points, ..., start the search in the parent directory. You can start the search in any directory. Note that you can u

: javascript/jquery-highlight-plugin/"> http://www.keyframesandcode.com/code/development/javascript/ jquery-highlight-plugin/ Demo Address: Http://www.keyframesandcode.com/resources/javascript/jQuery/demos/highlight-demo.html 4 jquery-image-dropdown This jquery plugin can convert the normal select Drop-down select

package here is given in the first article. The most important thing here is that you have rewritten the writable function and defined the value type yourself. I have time to open another blog to introduce the next writable function. The map phase does not make any comparisons and calculations, but simply parses the comments.xml, then parses the time of each comment and assigns the count to 1. If the next column is parsed Mapper will userid as key, another outtuple as value, Format (min,m

The logic of the procedure is mainly divided into two parts: 1, through the video4linux2 to read the camera v4l2_pix_fmt_yuyv format of the original data 2. Convert the data in the V4L2_PIX_FMT_YUYV format into the YUV data in the av_pix_fmt_yuv422p format and store it in the avframe structure; send the avframe structure to the encoder; Collect encoded H264 data stream, coexist in the file Second, the main library used in the code: 1, through a call uvccapture-0.5 library (I directly changed the

tablespace, then the default is to be lifted before deletion.To rename a tablespacesql> alter tablespace old_name Rename to new_name;Delete Table spaceDrop tablespace NameThis removes the content and deletes the local file. If you want to delete together you need to useDrop tablespace tc20 including contents and datafiles;TableTo create a table:CREATE TABLE Table name (column 1 data type, column 2 Data Type,... column N data type) tablespace table space. Sql> CREATE TABLE student ( 2 ID numb