Source: http://dantvt.spaces.live.com reader-Writer Problem Writer Priority and fair competition multi-process mutual access to shared resources and Process Synchronization of the classic problem has a file F, access is required for multiple concurrent read and write processes. Requirements: (1) read/write mutex (2) Write/Write mutex (3) the record-type semaphore mechanism is used to allow simultaneous access by multiple read processes:
Semaphore fmut
The most common Google Reader shortcut
From the morning bell to the drum
Google Reader's excellence comes largely from its convenient shortcut key function, which greatly improves users' reading efficiency, especially for RSS users who already have different degrees of information overload. What are the most frequently used shortcut keys? Google Reader today released the top 10 most frequently used shortcut
According to the "flex Chinese help" Translated by Liu Gang
To complete this project, perform the following steps:1. Set the project2. Check the remote data source to be accessedApplications Running in flash player on the client computer for security reasonsProgramOnly when the following conditions are met:To access remote data:A. the SWF file of the application is located in the same domain as the remote data source.B. Use a proxy, and the SWF file and proxy are located on the same server.C. I
Jdk1.6 connects to the pcsc card reader in java to send the APDU command and pcscapduThe Package javax. smartcardio provided by java operation card reader jdk1.6 can be directly connected to the pcsc card reader and interact with the card reader for instructions.
Package javax. smartcardio details
Http://docs.oracle.co
According to the official Google Reader blog, Google Reader has released new features in all languages around the world (including Chinese versions) in the original English version, new features include "friend reading sharing", "Sharing remarks", and letter sorting. After nine months of use, I can switch back to the Chinese version of Google Reader.
In fact,
1, string–> InputStreamInputstrem is = new Bytearrayinputstream (Str.getbytes ());OrBytearrayinputstream Stream= New Bytearrayinputstream (Str.getbytes ());2, Inputstream–>stringInputStream input;StringBuffer out = new StringBuffer ();Byte[] B = new byte[4096];for (int n; (n = input.read (b))! =-1;) {Out.append (New String (b, 0, N));}Out.tostring ();3, Reader–>stringBufferedReader in = new BufferedReader (new InputStreamReader (IS));StringBuffer buff
(Domestic version)
Since reading the simple RSS reader VB.netSource codeBecause generally, the RSS reader cannot export data to the database, you can start to package the original interface and integrate the SQL Server database. The following is the crystalline product of this time. We hope that interested parties can continue to improve other functions and interfaces of this RSS
I am afraid that I am not happy with the previous primary Google account name, but I have never dared to change it. The main reason is probably Google Reader.
When I found that Google Reader has the import/export function, I immediately exported Google Reader to a new primary account.
However, after switching to Google Read
Both the box payment and lacara Products UseRSA EncryptionThe function is very similar. The general structure after disassembling is as follows:Box payment:
Products paid by box
2-track card reading chip hcm8002 + encryption chip + silabs c8051There are three chips in total, and the remark of the encryption chip becomes the name of the box to pay for itself;UseLithium battery power supplyThe USB port can be used to charge the battery;
Lacara:
Lacala pushes mobile phone card
According to the "flex Chinese help" Translated by Liu Gang
To complete this project, perform the following steps:1. Set the project2. Check the remote data source to be accessedFor security reasons, the applications running in flash player on the client computer must meet the following requirements:To access remote data:A. the SWF file of the application is located in the same domain as the remote data source.B. Use a proxy, and the SWF file and proxy are located on the same server.C. Install
PHP Instance-AJAX RSS Reader
RSS reader is used to read RSS feeds.
AJAX RSS ReaderIn the following example, we will show an RSS reader, through which the content from RSS is loaded in the event that the page is not refreshed:Rss-feed Data List ...
Example explanation-HTML pageWhen the user selects a rss-feed in the drop-down list above, a functi
The Mac version of the RSS reader, which has not been updated for a long time, is finally Reeder, and the software built by Silvio Rizzi is considered the best RSS reader on the Mac. Note: RSS, simple information aggregation, also called aggregate content, is a format for describing and synchronizing web site content. This Google RSS reader, you can directly with
First put the code up, there is time to organize it. Because QT is used in work, it is realized by qt .... Just work, and busy!Three methods, reader first, writer priority and fair competition.Readers first#include #include#include#include#include#includeusing namespacestd;intBuffer//Critical ResourcesQmutex Bmutex;classReader: Publicqthread{Private: Static intReadercount; StaticQmutex Rdcnmutex; StaticQmutex Printmutex; Public: voidRead () {cou
First look at the card reader is not the problem, is inserted into the reader and then inserted into the computer, if the front of the interface does not respond, and then plug the interface bar, if the back of the interface is still not read out, then it will be replaced by a computer plug and unplug. If normal, the explanation is the original computer reason, if not normal is the reader's reason.
If you
Release date:Updated on:
Affected Systems:Foxit ReaderDescription:--------------------------------------------------------------------------------Bugtraq id: 55734
Foxit Reader is a small PDF document viewer and print program.
Foxit Reader 5.4.3.0920 and other versions have a denial of service vulnerability when processing PDF files, which allows remote attackers to crash affected applications.
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Test meth
Release date:Updated on:
Affected Systems:Foxit Reader 5.xDescription:--------------------------------------------------------------------------------Bugtraq id: 55150Cve id: CVE-2012-4337
Foxit Reader is a small PDF document viewer and print program.
Foxit Reader 5.1.4.0104 and earlier versions have security vulnerabilities in the implementation of parsing PD
This is the Android It Information Network Reader application, is also a Jsoup parsing HTML to obtain content of the network reader, and the front is actually similar, but also the university time of leisure to complete, control CSDN Web page element design to parse extract content, The core function is to use jsoup parsing. The following are relevant.SOURCE Download:Http://code.662p.com/view/9746.html
Vulnerability version:Foxit ReaderVulnerability description:Foxit Reader is a small PDF document viewer and print program.Foxit Reader 5.4.3.0920 and other versions have a denial of service vulnerability when processing PDF files, which allows remote attackers to crash affected applications.Test method:@ Sebug.net disThe Program (method) provided on this site may be offensive and only used for security rese
By Nicolas Joly
Riusksk (quange: http://riusksk.blogbus.com)
This article is intended to share with you some technical details about the recent Adobe Acrobat/Reader 0-Day exploit (CVE-2010-2883. In the VUPEN organization, we have analyzed a large number of vulnerabilities and 0-day vulnerabilities, and compiled well-developed exploit code for various programs and operating systems. In recent months, we have compiled a lot of code to exploit the Adobe
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