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Studies/1065.2.1 Program deployment Strategy on high-performance hardware/1065.2.2 memory overflow due to inter-cluster synchronization1095.2.3 overflow error due to out-of-heap memory1105.2.4 external command causes slow system/1125.2.5 Server JVM process crashes/1135.3 Combat: Eclipse Run speed tuning/1145.3.1 Pre-tuning program run status/1145.3.2 Upgrading JDK1.6 Performance changes and compatibility issues/1175.3.3 optimization of compile time and class load time1225.3.4 Adjust memory sett

ConcurrentHashMap715.2.2 Additional atomic Map Operations 725.2.3 CopyOnWriteArrayList725.3 Blocking queue and producer-consumer mode 735.3.1 Example: Desktop Search 755.3.2 Serial Thread Closure 765.3.3 Dual-ended queue and work 775.4 Blocking method and interrupt method 775.5 Sync Tool Class 785.5.1 Latching 795.5.2 FutureTask805.5.3 Signal Volume 825.5.4 Fence 835.6 Building an efficient and scalable result cache 85...Java concurrent Programming C

Java PDF file implementation method [attached PDFRenderer. jar download], export PDFRenderer. jar This example describes how to implement PDF files in java. We will share this with you for your reference. The details are as follows: In a recent website, you need to upload a

1. Generate PDF file (including Chinese) by Itext Reference:http://my.oschina.net/sanji/blog/2777041) Download the jar package:CORE Pack:http://sourceforge.net/projects/itext/files/XML Package:http://sourceforge.net/projects/xmlworker/files/2) front Pagefunction download (ID) {window.open ("service.do?method=downloadid=" + ID);}3) Background Code@RequestMapping (

public static string getContentType (String pextfilename)//Get extension by gisoracle {String pext=pextfilename.tolowercase ();if (Pext.equals (". xls")){return "application/vnd.ms-excel";}if (Pext.equals (". Doc")){return "Application/msword";}if (Pext.equals (". txt")){return "Text/plain";}if (Pext.equals (". pdf")){return "Application/pdf";}if (Pext.equals (". jpg") | | Pext.equals (". jpeg")){return "Im

(); }System.out.println ("info:" +url+ "Download Success"); } /*** Get the byte array from the input stream* @param inputstream* @return* @throws IOException */Public Static byte[] Readinputstream (InputStream inputstream) throws IOException {byte[] buffer = new byte[1024];int len = 0;bytearrayoutputstream bos = new Bytearrayoutputstream ();While (len = inputstream.read (buffer))! =-1) {bos.write (buffer, 0, Len); }bos.close (

Click the hyperlink download PDF file, the content of the PDF file with the JSP page data. The essence is a print bar. If you print a PDF of this template, first load the template, that is, the contents of the template read out. Pdfreader reader = new Pdfreader ("Simpleregistrationform.pdf"); Set the size of a page Rec

Download files for Java online. pdf1. Download the local location of the resource2. Setting the response header3. Download the Code1 Periodicalresource Periodicalresource =periodicalresourceservice.get (ID);2String FilePath =periodicalresource.getattachment ();//Get Resource location3 File File = new file (Perio

Today in writing a method to download the document, testing the compatibility of the browser, found in the Mac's own Safari browser after the download of all the EXE file, looked for a long time to find it is their own download method in the Content-type settings have a relationship When Content-type is set to text/html, the downloaded file is automatically

-oriented network communication based on TCP protocol Java Learning Series (17) Java Object-oriented development chat tool Java Learning Series (18) Java Object-oriented network communication based on UDP protocol Java Learning Series (19)

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time cursor (the vertical dashed line) is now reserved in the center of the layer container, even when the time passes. This is a very useful feature when the program has more monitoring capabilities than the interactive scheduling feature. Multi-line:The multiline feature allows the Ganter to display time objects on the same line. This allows the timeline objects that might overlap each other to display normally. Download tri

next to the date, while others need to display the number of days (for example, "No. 241 Day"). The timeline can be flexibly designed. Its model can be replaced, its display can be replaced, and even the entire timeline can be replaced with custom subclasses. Calendar model: The calendar model provides data for weekends, holidays, or any special time range in the Gantt chart. The entry for the calendar model is displayed at the height of the entire layer container (right hand side

timeline. Some need to show the number of weeks next to the date, while others need to display the number of days (for example, "No. 241 Day"). The timeline can be flexibly designed. Its model can be replaced, its display can be replaced, and even the entire timeline can be replaced with custom subclasses. Calendar model: The calendar model provides data for weekends, holidays, or any special time range in the Gantt chart. The entry for the calendar model is displayed at the heigh