visio reader

We use events and a variable that records the number of readers to solve reader-writer problems in the second-to-last multi-threaded 11th article Reader-writer question. The problem has been solved, but the code is a bit complicated. This article will introduce a new method-read-write lock srwlock to solve this problem. read-write locks also distinguish between the thread that wants to read the resource val

rss| Quick Start The RSS reader is a simple and easy-to-use RSS reader for the information age to get the information you need as soon as possible. It allows you to manage, retrieve, and read information in a format. Managing information is that you can identify and manage information sources according to your needs, and access information is that you can update your information from a customized source of

/*author:jiangong sun*/As I ' ve manipulated a lot of data using SQL data reader in recent project. And people says it ' s not good to access the data by column name.So I ' ve made a performance test in reading data from SQL data reader.Firstly, I ' ve created a table with different data types, like int, varchar, date time etc.CREATE TABLE userinformation (Id BIGINT, FirstName NVARCHAR (255), LastName NVARCHAR (255), Validdate DATETIME, Identification

Google Reader is a feed aggregator built using a large amount of JavaScript. It can capture the latest feed data in a very timely manner. The data called by Google's Ajax front-end adopts the atom format. This data technology reduces the development difficulty of Google Reader and makes it easy for third-party applications to expand it. Get feed /Reader/ato

Reader-writer problem (Readers-writers problem) is also a classic concurrent programming problem, which is often a synchronization problem. Data (Files, records) in a computer system are often shared by multiple processes, but some of these processes may require only read data (called Reader readers), while others require the modification of data (called writer writers). In terms of shared data,

Occasionally encountered PDF file, do not know how to open PDF file? It doesn't matter, now small make up for you recommend 3 free best PDF file reader to you, use them to open PDF document is very convenient. First you can understand what the PDF is, PDF format/pdf file introduction. Fu Xin PDF Reader Foxit reader Software Introduction1, fast start speed: In

[CNNVD] Adobe Reader and Acrobat Memory Corruption Vulnerability (cnnvd-201308-479)Adobe Reader and acrobat are all products of the United States Adobe (Adobe) company. Adobe Reader is a free PDF file reader, and Acrobat is a PDF file editing and Conversion tool.There are security vulnerabilities in Adobe

Adobe Reader is one of our most common electronic document reading tools, mainly for reading PDF documents. But it is well known that it starts too slowly. However, if I tell you that opening Adobe Reader can be as fast as opening word, you won't believe it. Let's take a look at the way to speed up Adobe Reader, believe it or not, it's not up to you! Why not acr

Traverse Records in a data readerWhen the ExecuteReader method returns a DataReader object, the position of the current cursor precedes the first record .The Read method of the reader must be called to move the cursor to the first record, and then the first record becomes the current record.If the data reader contains more than one record, the Read method returns a Boolean value of true.To move to the next

You can use the Baidu Reader in 6 ways to read the local documents, respectively, as follows: method to open single or multiple local documents directly in 1:windows resource management. Select single or multiple local documents, right-click, in the pop-up right-click menu select the "open Mode" menu item, choose the level Two menu "Baidu Reader Main program", or select the Level two menu "Select Program

Reader domain: If you want to restrict access to a specific document created by a form, add a "Reader" field to the form. The "Reader" field clearly lists users who can read the documents created in this form. For example, if you restrict the personnel files of an employee to only members of the "Human Resources" department, the employee himself or herself, and t

PDF is an electronic file format developed by Adobe, where many e-books, product descriptions, and corporate documents are made into PDF files in everyday office. Because our operating system does not support the open PDF file by default, it becomes a question for many users how to open the PDF file. In fact, as long as a good PDF reader installed on our computer, you can easily read the contents of the PDF file. In addition, the use of mobile phones

RSS subscriptions have become a very popular online news aggregation way, to subscribe to RSS links, of course, you have to have an RSS reader. Commonly used online RSS reader has google Reader, QQ reader, fresh fruit and so on, however, in the face of so many choices, if you want to find a desktop-style real-time RSS

What if the card reader can't read it? In the process of using the card reader, we occasionally encounter the problem that the card reader does not read. So, the reader can not read out how to do? In fact, the reader does not read out for several reasons, may be the

Last updated in August, authored by Adrien Brochard If the habit on reading books on electronic tablets are still on it, reading books on a computer is even rarer. It's hard enough-to-focus on the classics of the 16th century literature, so who needs the Facebook chat pops up sound in The background in addition? But if for some reasons your wish to open a electronic book in your computer, chances is that you'll need specific soft Ware. Indeed, most editors agreed with using the EPUB format fo

Cause analysis I do not know whether the U disk can be normal, if normal, and then your card reader switch computer test, to confirm whether the reader itself is a problem, if not the , you can insert the card reader into the computer and then open the Device Manager to find the USB connector that plugs into the card reader