fpos

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Problems encountered after a "struct" is regarded as a property

When I regard a "struct" as an attribute in the class, I can directly read the struct members in practice, but cannot write them directly... The following is a small exercise: Unit unit1; interfaceuses winapi. windows, winapi. messages, system. sysutils, system. variants, system. classes, VCL. graphics, VCL. controls, VCL. forms, VCL. dialogs, VCL. struct; Type tform1 = Class (tform) button1: tbutton; button2: tbutton; button3: tbutton; button4: tbutton; button5: tbutton; Procedure bu

NAN and INFINITY in java, javaNANINFINITY

NAN and INFINITY in java, javaNANINFINITY Java floating point operations have two special cases: NAN and INFINITY. 1. INFINITY: In floating-point calculation, sometimes we encounter a division of 0. How does java solve this problem? We know that in integer operations, the divisor cannot be 0, or an error occurs directly. However, the concept of "infinity" is introduced in floating point number operations. Let's take a look at the definitions in Double and Float. Double: public static final doubl

Simple character device-myscull

); cdev_del ( Strong); unlock (devno, 1); // In eldd class_device_destroy, now device_destroy (mysc_class, devno); class_destroy (mysc_class); printk ("mysc: exiting... \ n ");} module_init (mysc_init); module_exit (mysc_exit ); FoPs. c #include "mysc.h"struct file_operations mysc_fops={ .owner = THIS_MODULE, // .llseek = mysc_llseek, .read = mysc_read, .write = mysc_write, // .ioctl = mysc_ioctl, .open = mysc_open, .release= mysc_release };#define debug_inode(str)

A good solution for generating garbled data from Excel export from the DataGrid

. httpresponse response, string filename, string fullpath) ...{ Try ...{ Response. contenttype = "application/octet-stream "; Response. appendheader ("content-disposition", "attachment; filename =" + Httputility. urlencode (filename, system. Text. encoding. utf8) + "; charset = gb2312 "); System. Io. filestream FS = system. Io. file. openread (fullpath ); Long FLEN = FS. length; Int size = 102400; // download data at the same time every k Byte [] readdata = new byte [size]; // specify the buffe

Convert HTML to PDF (C #-itextsharp-zt

){Throw new Exception (err. Message );}Finally{Doc. Close ();Using (FileStream fs = new FileStream (Server. MapPath ("outputstream"), FileMode. Create )){Ms. Position = 0;Byte [] bit = new byte [ms. Length];Ms. Read (bit, 0, (int) ms. Length );Fs. Write (bit, 0, bit. Length );}ViewPdf (MS );}} Private void ViewPdf (Stream fs){Response. Clear ();// Chinese name// Response. AppendHeader ("Content-Disposition", "attachment; filename =" +// HttpUtility. UrlEncode (fileName, System. Text. Encoding. U

Android fragmen Preferences Use a custom Listpreference method _android

public long Getitemid (int arg0) {return 0; @Override public View getview (int position, View Convertview, ViewGroup parent) {Viewholder holder = null; if (Convertview = = null) {holder = new Viewholder (); Convertview = Minflater.inflate (R.layout.icon_adapter, parent, false); Holder.layout = (linearlayout) Convertview.findviewbyid (r.id.icon_layout); Holder.img = (ImageView) Convertview.findviewbyid (r.id.icon_img); Holder.info = (TextView) Convertview.findviewbyid (r.id.ico

Excel (.xls) file for exporting/importing rules under ASP. NET

. Web. UI. htmltextwriter hW = new system. Web. UI. htmltextwriter (TW );DataGrid. rendercontrol (HW );String filepath = page. server. mappath (..) + \\\\ files \\\\ + filename;System. Io. streamwriter Sw = system. Io. file. createtext (filepath );Sw. Write (TW. tostring ());Sw. Close (); Downfile (httpresponse, filename, filepath );Httpresponse. End ();}Private Static bool downfile (system. Web. httpresponse response, string filename, string fullpath){Try{Response. contenttype = application/oct

ASP.net and Excel Interoperability Implementation code _ Practical skills

(TW); Datagrid.rendercontrol (HW); string filepath = Page.server.mappath ("..") + "\\files\\" +filename; system.io.streamwriter SW = System.io.file.createtext (filepath); Sw.write (Tw.tostring ()); Sw.close (); Downfile (Httpresponse,filename,filepath); Httpresponse.end (); } private static bool Downfile (System.Web.HttpResponse response,string filename,string fullpath) { Try { Response.ContentType = "Application/octet-stream"; Response.appendheader ("Content-disposition",

A small example of a DataTable data exported as an Excel file _ practical Tips

"; System.IO.StringWriter tw = new System.IO.StringWriter (); System.Web.UI.HtmlTextWriter HW = new System.Web.UI.HtmlTextWriter (TW); Datagrid.rendercontrol (HW); String filePath = page. Server.MapPath ("..") + "//files//" +filename;System.IO.StreamWriter SW = System.IO.File.CreateText (FilePath);Sw. Write (TW. ToString ());Sw. Close (); Downfile (Httpresponse,filename,filepath); Httpresponse.end ();}private static bool Downfile (System.Web.HttpResponse response,string filename,strin

Excel (. xls) file for export/import rules under ASP.net

System.Web.UI.HtmlTextWriter (TW); Datagrid.rendercontrol (HW); String filePath = page. Server.MapPath ("..") + "\\Files\\" +filename; System.IO.StreamWriter SW = System.IO.File.CreateText (FilePath); Sw. Write (TW. ToString ()); Sw. Close (); Downfile (Httpresponse,filename,filepath); Httpresponse.end (); } private static bool Downfile (System.Web.HttpResponse response,string filename,string fullpath) { Try { Response.ContentType = "Application/octet-stream"; Response.appendheader ("Con

Example of how to export DataTable data to an Excel file

/ms-excel ";System. IO. StringWriter tw = new System. IO. StringWriter ();System. Web. UI. HtmlTextWriter hw = new System. Web. UI. HtmlTextWriter (tw );DataGrid. RenderControl (hw ); String filePath = page. Server. MapPath ("..") + "// Files //" + FileName;System. IO. StreamWriter sw = System. IO. File. CreateText (filePath );Sw. Write (tw. ToString ());Sw. Close (); DownFile (httpResponse, FileName, filePath ); HttpResponse. End ();}Private static bool DownFile (System. Web. HttpResponse Respo

Code implementation for asp.net and excel interoperability

= new system.web.ui.html textwriter (tw );Datagrid. rendercontrol (hw );String filepath = page. server. mappath ("..") + "\ files \" + filename;System. io. streamwriter sw = system. io. file. createtext (filepath );Sw. write (tw. tostring ());Sw. close ();Downfile (httpresponse, filename, filepath );Httpresponse. end ();}Private static bool downfile (system. web. httpresponse response, string filename, string fullpath){Try{Response. contenttype = "application/octet-stream ";Response. appendhead

Export Standard Excel/word/TXT code on Web pages

= gb2312 ");System. Io. filestream FS = system. Io. file. openread (fullpath );Long FLEN = FS. length;Int size = 102400;Byte [] readdata = new byte [size]; // specify the buffer sizeIf (size> FLEN) size = convert. toint32 (FLEN );Long FPOs = 0;Bool isend = false;While (! Isend){If (FPOs + size)> FLEN){ Size = convert. toint32 (FLEN-FPOs );Readdata = new byte [si

(Original) excel Export

. GetEncoding ("GB2312 ");This. EnableViewState = false;StringWriter sw = new StringWriter ();HtmlTextWriter htw = new HtmlTextWriter (sw );// This. SpanProjInfo. RenderControl (htw ); Response. Write (SpanProjInfo. InnerHtml. ToString ());Response. End ();}Public bool DownFile (System. Web. HttpResponse Response, string fileName, string fullPath){Try{Response. ContentType = "application/octet-stream ";Response. AppendHeader ("Content-Disposition", "attachment; filename =" +HttpUtilit

Example of how to export DataTable data to an Excel file

. ContentType = "application/ms-excel "; System. IO. StringWriter tw = new System. IO. StringWriter (); System. Web. UI. HtmlTextWriter hw = new System. Web. UI. HtmlTextWriter (tw ); DataGrid. RenderControl (hw ); String filePath = page. Server. MapPath ("..") + "// Files //" + FileName;System. IO. StreamWriter sw = System. IO. File. CreateText (filePath );Sw. Write (tw. ToString ());Sw. Close (); DownFile (httpResponse, FileName, filePath ); HttpResponse. End ();}Private static bool DownFile

ASP no component File upload instance

= Server.CreateObject ("Scripting.Dictionary") Set fils = Server.CreateObject ("Scripting.Dictionary") vversion = " Al-Ain ASP No Component upload Class optimization (v9.11.1) " vmaxsize =-1 vsinglesize =-1 verr =-1 Vexe = "" vtotalsize = 0 vcharset = "gb2312" VoP = False pid = "Anupload" Setapp "" , 0, 0, "" vmode = 0 End Sub Private Sub Class_Terminate ()Dim fForm.removeall ()For each F in filsFils (f). Value = EmptySet fils (f) = NothingNextFils.removeall ()Set

Html5-the webpage uses iframe to embed a search result interface of ebay, which is not completely displayed

** This is the target link of my iframe. I want to use iframe to embed it in my own webpage. *** www.ebay.comschi.html? _ Nkwgames amp; _ in_kw1 amp; _ ex_kw amp; _ sacat0 amp; _ udlo amp; _ udhi amp; _ ftrt901 amp; _ ftrv1 amp; _ sabdlo amp; _ sabdhi amp; _ samilow amp; _ samihi amp; _ sadis10 amp; _ fpos amp html5javascriptphpiframe This is the target link of my iframe. I want to use iframe to embed it in my webpage. Http://www.eb

C # simplify assignment of class fields Using Reflection

string gStrFSave;Public string gStrFAddress;Public string gStrFLblColor;Public string gStrFIsCheckList;}} # Region loading field rulesPrivate bool m_GetRule (){String strSQL = "";DataTable dtGet = null; # If (DEBUG)Try{# Endif If (Common. gIntTypeOrder = 95){StrSQL = "select A. FNo, A. FName, A. FLock, A. FCaption, A. FType," +"A. FMust, A. FMin, A. FMax, A. FDefault, A. FDate, rn" +"A. FDB, A. FAllow, A. FDisallow, A. FSB, A. FBig, A. FSmall, A. FInputMethod," +"A. FCHK, A. FRelation, A. FDesc

QtTube: A graphical YouTube video download Tool

We all know that YouTube-dl is used for downloading youtube videos? However, this tool is under the command line and is unwilling to be used. Fortunately, now we have a graphic Tool Based on youtube-dl. If you like to download videos from YouTube, why not try it? Download youtube-dl and install it: http://www.getdeb.net/download.php? Release = 1531 fpos = 1 Download qttube again, then install it: http://www.getdeb.net/download.php? Release = 1531

Code implementation for Asp.net and Excel interoperability

textwriter hW = new system.web.ui.html textwriter (TW ); DataGrid. rendercontrol (HW ); String filepath = page. server. mappath ("..") + "\ files \" + filename;System. Io. streamwriter Sw = system. Io. file. createtext (filepath );Sw. Write (TW. tostring ());Sw. Close (); Downfile (httpresponse, filename, filepath ); Httpresponse. End ();}Private Static bool downfile (system. Web. httpresponse response, string filename, string fullpath){Try{Response. contenttype = "application/octet-str

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