Asta spune un jurist . La Centrul Cultural Reduta pute. Romanian Cultural Institute: Brasov. Brasov, Muresenilor Memorial House and Reduta Cultural Centre. Cultural and sightseeing program. Un blog cu . Baritiu, Andrei si Iacob Muresianu. In vechea . Sala Reduta- vedere exterioara Sala Mare In anul 1. Spectacole teatru reduta brasov - Brasov. Sindicatul Independent al Salariatilor (SIS) din Teatrul 'Sica Alexandrescu' (TSA) Brasov a trimis un comunicat. Program casa bilete: de luni pana joi intre orele 12 - 15 si marti intre orele 16 - 18. Biletele se mai pot procura cu o ora inainte de inceperea evenimentului. REDUTA Jazz Club - jazz, theatre, pantomime. HOME; HISTORY; PROGRAM. October 2016; November 2016; December 2016; JAZZCLUB; THEATRE; BAR; SHOP; GALLERY; INFORMATION. Booking; Rent; Equipment; CONTACT; Newsletter. Surprizele nu vor lipsi din program! Palatul Culturii, ca institutie de cultura, cu sediul in actuala locatie a Bibliotecii Judetene ”George Baritiu” Brasov si avand exclusiv activitati educative. In 1. 95. 9 sediul se muta in Palatul din strada Apollonia Hirscher nr. Institutia preia formatii si ansambluri de sine statatoare sau care functionau in cadrul Scolii Populare de Arta, coordoneaza formatii de teatru romanesc, maghiar, german, ansambluri de dansuri maghiare si germane. Preia, de asemenea, de la Scoala Populara de Arta, Ansamblul Folcloric . In anii care au urmat, sub aripa Centrului Cultural s- au infiintat o serie de alte formatii de dansuri (sportive, populare), coruri, cercuri si cluburi care au facut faima Centrului, ob. In anul 1. 99. 5 institutia primeste denumirea de Asezamantul Cultural “Tara Barsei”, iar din anul 2. Hotararea Consiliului Judetean nr. Centrul Cultural . Vechea cladire a “Redutei” ridicata in secolul al XVIII- lea, situata in Centrul Istoric al orasului, pe Strada Teatrului (actuala strada Apollonia Hirscher), a servit initial ca teatru, sala de concerte si baluri. A fost demolata in anul 1. Casa Generala de Economii. Noua “Reduta”, sau Casa de Concerte, a fost construita dupa planurile inginerului orasului Christian Kertsch, in stilul baroc cu elemente rococo. In prezent, institutia gazduieste mai multe manifestari culturale, printre care concerte ale Filarmonicii, expozitii, concerte de muzica moderna si piese de teatru. AMICII SALVAMONT BRASOVDESPRE NOICINE SUNTEM ? Ne numim “AMICII SALVAMONT BRASOV“. Acest club a luat fiinta in anul 1. CENTRUL CULTURAL REDUTA BRASOV“. Suntem un grup de iubitori ai muntelui si ai activitatilor legate de munte! Ce facem ? VARAmarcaje turistice.
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Unlike using UDP to transfer file, TCP/IP said to be connection oriented; which, both client and server after a setup phase treat some IP packets as being sent along a virtual route, enabling for data that is too large to fit into a single IP packet to be sent and for retransmission to occur when packets are lost. This sample software will allow you to deliver any file from one computer to another. Again, it is client/server based, so you will need either two computers or to run both the client and server on the same device. Creating a simple TCP/IP client In C# / VB. Create a new project as usual, and build a form as shown image below. Free VB and Visual Basic.NET icons for your programs and applications! Icons or Images can really enhance your Visual Basic 6.0 and Visual Basic.NET applications. A website with various source code and resources for Visual Basic and Visual Basic.Net. TCP IP Client Application. Name the Send button btn. Send , the Browse button btn. Browse , the File textbox tb. Filename , and the Server textbox tb. Server . Also add an Open File Dialog control called open. File. Dialog . Click on the Browse button and put the following code: This code opens the default file open dialog box. VBA tutorials: Visual Basic programming help and examples for Microsoft Access. Learn how to create simple VBA scripts to create dynamic Access databases. FTP Examples for VB.NET. FTP Download with Progress Event Callbacks; Active and Passive Modes in FTP; Append to Existing File on FTP Server; FTP/SSL (AUTH SSL, TLS). Defining basic terms Application An application is a collection of objects that work together to accomplish something useful. In VB the application is called a Project. If the user does not select a file, open. File. Dialog. Filename will return an empty string. Click on the Send button and put the following code: C#. Visual Basic 6 is still very alive and active. Many business have huge applications written in this great language. Wouldn't it be nice to have.Browse. If the user doesn’t select a file, open. File. Dialog. Filename will return an empty string. Click on the Send button and add the following code: C#. Send. To read in a file, a stream for this file is created by passing the filename to the Open. Read method. This stream is read into the file buffer array. An alternate means of reading this file would be to pass the file stream as a parameter to the constructor of a Stream. Reader, then to call the Read. To. End method, although this approach would only be useful for text- only files. It then opens a TCP/IP connection with the server on port 8. Server. Text. The Tcp. Client constructor is blocking, in that code execution will not continue until a connection is established. If a connection cannot be created, a Socket. Exception will be thrown: “No connection could be made because the target machine actively refused it.” As usual, the following assemblies are included: C#. System. Threading. System. Net. using System. Net. Sockets. using System. Text. using System. IO; using. System. Threading; using. System. Net; using. System. Net. Sockets; using. System. Text; using. System. IO; VB. net. System. Threading. System. Net. imports System. Net. Sockets. imports System. Text. imports System. IOimports. System. Threadingimports. System. Netimports. System. Net. Socketsimports. System. Textimports. System. IOList below the significant methods and properties for Tcp. Client. Constructor – Initializes a new instance of the Tcp. Client class. It may be used thus: new Tcp. Client(string,Int). No. Delay – When set to true, it increases efficiency if your software application only transmits small amounts of data in bursts. Returns Bool. Receive. Buffer. Size – Gets or sets the size of the receive buffer. Returns Int. Send. Buffer. Size – Gets or sets the size of the send buffer. Returns Int. Send. Timeout – Gets or sets the amount of time a Tcp. Client will wait to receive confirmation after you initiate a send. Returns Int. Close() – Closes the TCP connection. Connect() – Connects the client to a remote TCP host using the specified host name and port number. It may be invoked thus: Connect(string,Int). Get. Stream() – Returns the stream used to send and receive data. Returns Network. Stream. Creating a simple TCP/IP server In C# / VB. Open a new project as before, and design a user interface as depicted in image below. TCP IP Server Application. The label should be named lbl. Status, and the list box, lb. Connections. Like the UDP server, the TCP server is multithreaded. In such a case, three threads are used: the main thread maintains the user interface, a second thread listens for connections, and a third thread handles the connections. One socket is needed for each connection and will remain loaded in memory until the connection is closed. These sockets need to be stored in an Array. List rather than a standard array because it is impossible to predict how many connections will be received. To begin with, declare a global Array. List variable: C#. Form. 1 : System. Windows. Forms. Form. This is a cosmetic feature, but it may come in handy in other applications. To be able to retrieve the local IP address, we call the static method Dns. Get. Host. By. Name. This returns an IPHost. Entry object, which is a collection of IP addresses, to provide multihomed computers, which many are. Element zero in this array is normally the external IP address for the computer. The Form. 1. If the listener. Thread method were to be called immediately, the application would become unresponsive and seem to hang, while the socket waited on inbound connections. This effect is avoided by performing the listener. Thread method in a separate thread of execution, which can block without adversely affecting the user interface. C#. private void Form. This function also reports the source of the connections. This time, the explanation for redelegating work to a thread is not to maintain the responsiveness of the user interface, but rather to ensure that the software will continue to listen for new connections while it is handling a previous client. The new thread will be needed to have access to the socket that is dealing with the current client. Otherwise, there would be no means of returning data. This thread will stop on the call to Accept. Socket. Execution will not continue until an incoming connection has been detected; when it has, a new socket is created and dedicated to handling this particular client. As soon as this socket has established a connection, the socket is placed on top of the n. Sockets array list to await pickup by the handler thread. It may seem strange that the socket is not passed directly to the thread. This is because it is not valid to specify parameters when defining the starting point of a thread, for example, making an erroneous statement such as. New Thread. Start(Address. Of handler. Thread(Parameter))1. New. Thread. Start(Address. Of handler. Thread(Parameter))Therefore, another means of passing parameters to threads is required. In this example, a public array list of sockets is used, where the top- most entry is used by the newest thread, and so forth. Another popular technique for passing parameters to threads is to encapsulate the thread’s methods in a different class, with public variables acting as parameters. When a new instance of this class is created, it can be passed to the Thread. Start constructor. Once the socket has been added to the array list, the handler thread is invoked, and this thread keeps to listen for incoming connections. C#. public void listener. Thread(). . This function finds the last used socket and then retrieves the stream from this socket. An array is allocated to the same size as the stream, and once the stream is completely obtained, its information are copied into this array. As soon as the connection closes, the data is written to file at c: \my documents\Submitted. File. txt. It is important to have the lock() keyword around the lines of code associated with file access; otherwise, if two concurrent connections try to access the same file, the application will crash. The contents of the file are then shown in the list box on- screen. The socket is then set to null to remove it from memory. If this point were omitted, the array list would quickly fill with sockets that had lost connection with their clients. Note that the constructor for Tcp. Listener that takes only a single int for a port number is now obsolete. To prevent the compiler complaining about this line of code, simply call the constructor thus. Tcp. Listener(IPAddress. Any,8. 08. 0)1new. Tcp. Listener(IPAddress. Any,8. 08. 0)C#. public void handler. Thread(). . Then, run the client application. Type the IP address into the box provided. Click on browse to select a file. Press send to transfer the file. A file will soon appear on the server at c: \my documents\Submitted. File. txt, which is an exact copy of the file that was located on the client. To further illustrate this concept, you can use a telnet program to write text to c: \Submitted. File. txt remotely. On Windows 9. 5, 9. ME machines, click Start. Type the server IP address into the host name textbox, and type 8. Type some text into the window, and when finished, press Connect, Disconnect. A file will soon appear on the server at c: \my documents\ Submitted. File. txt. On Windows NT, 2. XP machines, click Start. Type Open 1. 27. 0. Replace 1. 27. 0. IP address of your server, if you have two computers. Type some text into the window, and when finished, close the window. A file will soon show up on the server at c: \Submitted. File. txt. Ways have already been developed to send files through the Internet. Anybody who has ever written a Web site would be familiar with programs such as cute. FTP and smart. FT, albeit with a much more adjustable interface. It is rarely a good idea to try to recreate the wheel and develop a new way to send data through the Internet. The global standardization of protocols has made the Internet what it is today. Employee Shift Schedule Generator (568.2 KiB, 37,205 hits) If you already tested the spreadsheet and want to buy the Pro version, you can process it through paypal button below or paypal button in about worksheet. Here's what the leading web based employee shift scheduling software app should do. Manage your staff schedules more efficiently in real time online. Online employee shift scheduling software & schedule maker by Zip Schedules to schedule employee shift and task with online schedule maker. 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Writing the Server Side of a Socket (The Java. The server in the client/server pair serves up Knock Knock jokes. Knock Knock jokes are favored by children and are usually vehicles for bad puns. They go like this: Server: . Here is sample code for a simple Java TCP Server. Sockets: Basic Client-Server. Recently I was working on a project where a non-java program. Writing a Java Concurrent ProgramConcurrent Processing. Maximum Number of Concurrent Users. However, as the number of concurrent requests increases, server performance begins. Concurrent Programming in Java 6 Concurrent Programming. In single-threaded Java,Program is the JVM. The client program is implemented by a single class. Knock. Knock. Client, and is very similar to the. Echo. Client example from the previous section. The server program is implemented by two classes. Knock. Knock. Server and. Knock. Knock. Protocol. Knock. Knock. Server, which is similar to. Echo. Server, contains the main method for the server program and performs the work of listening to the port, establishing connections, and reading from and writing to the socket. The class. Knock. Knock. Protocol serves up the jokes. It keeps track of the current joke, the current state (sent knock knock, sent clue, and so on), and returns the various text pieces of the joke depending on the current state. This object implements the protocol—the language that the client and server have agreed to use to communicate. The following section looks in detail at each class in both the client and the server and then shows you how to run them. The Knock Knock Server. This section walks through the code that implements the Knock Knock server program. Knock. Knock. Server. The server program begins by creating a new. Server. Socket object to listen on a specific port (see the statement in bold in the following code segment). When running this server, choose a port that is not already dedicated to some other service. For example, this command starts the server program Knock. Knock. Server so that it listens on port 4. Knock. Knock. Server 4. The server program creates the Server. Socket object in a try- with- resources statement. Number = Integer. Int(args. The constructor for Server. Socket throws an exception if it can't listen on the specified port (for example, the port is already being used). In this case, the Knock. Knock. Server has no choice but to exit. If the server successfully binds to its port, then the Server. Socket object is successfully created and the server continues to the next step—accepting a connection from a client (the next statement in the try- with- resources statement). Socket = server. Socket. When a connection is requested and successfully established, the accept method returns a new. Socket object which is bound to the same local port and has its remote address and remote port set to that of the client. The server can communicate with the client over this new Socket and continue to listen for client connection requests on the original Server. Socket This particular version of the program doesn't listen for more client connection requests. However, a modified version of the program is provided in. Supporting Multiple Clients. After the server successfully establishes a connection with a client, it communicates with the client using this code. Step 2 is shown in bold and is worth a few comments. The bold statements in the code segment above initiate the conversation with the client. The code creates a Knock. Knock. Protocol object—the object that keeps track of the current joke, the current state within the joke, and so on. After the Knock. Knock. Protocol is created, the code calls Knock. Knock. Protocol's process. Input method to get the first message that the server sends to the client. For this example, the first thing that the server says is ! As long as the client and server still have something to say to each other, the server reads from and writes to the socket, sending messages back and forth between the client and the server. The server initiated the conversation with a ! The read. Line method waits until the client responds by writing something to its output stream (the server's input stream). When the client responds, the server passes the client's response to the Knock. Knock. Protocol object and asks the Knock. Knock. Protocol object for a suitable reply. The server immediately sends the reply to the client via the output stream connected to the socket, using a call to println. If the server's response generated from the Knock. Knock. Server object is . This class keeps track of where the client and the server are in their conversation and serves up the server's response to the client's statements. The Knock. Knock. Protocol object contains the text of all the jokes and makes sure that the client gives the proper response to the server's statements. It wouldn't do to have the client say ! The protocol that your own clients and servers use depends entirely on the communication required by them to accomplish the task. The Knock Knock Client. The. Knock. Knock. Client class implements the client program that speaks to the Knock. Knock. Server. Knock. Knock. Client is based on the Echo. Client program in the previous section. Reading from and Writing to a Socket and should be somewhat familiar to you. But we'll go over the program anyway and look at what's happening in the client in the context of what's going on in the server. When you start the client program, the server should already be running and listening to the port, waiting for a client to request a connection. So, the first thing the client program does is to open a socket that is connected to the server running on the specified host name and port. String host. Name = args. The Knock. Knock. Client example uses the second command- line argument as the port number when creating its socket. This is a remote port number—the number of a port on the server computer—and is the port to which Knock. Knock. Server is listening. For example, the following command runs the Knock. Knock. Client example with knockknockserver. Knock. Knock. Server and 4. Knock. Knock. Client knockknockserver. The client's socket is bound to any available local port—a port on the client computer. Remember that the server gets a new socket as well. If you run the Knock. Knock. Client example with the command- line arguments in the previous example, then this socket is bound to local port number 4. Knock. Knock. Client example. The server's socket and the client's socket are connected. Next comes the while loop that implements the communication between the client and the server. The server speaks first, so the client must listen first. The client does this by reading from the input stream attached to the socket. If the server does speak, it says . Otherwise, the client displays the text to the standard output and then reads the response from the user, who types into the standard input. After the user types a carriage return, the client sends the text to the server through the output stream attached to the socket. To do this, run the server program using the Java interpreter, just as you would any other Java application. Specify as a command- line argument the port number on which the server program listens. Knock. Knock. Server 4. Next, run the client program. Note that you can run the client on any computer on your network; it does not have to run on the same computer as the server. Specify as command- line arguments the host name and the port number of the computer running the Knock. Knock. Server server program. Knock. Knock. Client knockknockserver. If you are too quick, you might start the client before the server has a chance to initialize itself and begin listening on the port. If this happens, you will see a stack trace from the client. If this happens, just restart the client. If you try to start a second client while the first client is connected to the server, the second client just hangs. The next section, Supporting Multiple Clients, talks about supporting multiple clients. When you successfully get a connection between the client and server, you will see the following text displayed on your screen: Now, you must respond with: The client echoes what you type and sends the text to the server. The server responds with the first line of one of the many Knock Knock jokes in its repertoire. Now your screen should contain this (the text you typed is in bold). Server: Knock! The server responds with the punch line. Now your screen should contain this. Server: Knock! If you type y, the server begins again with ! However, multiple client requests can come into the same port and, consequently, into the same Server. Socket. Client connection requests are queued at the port, so the server must accept the connections sequentially. However, the server can service them simultaneously through the use of threads—one thread per each client connection. The basic flow of logic in such a server is this. Two classes compose our solution. KKMulti. Server and. KKMulti. Server. Thread. KKMulti. Server loops forever, listening for client connection requests on a Server. Socket. When a request comes in, KKMulti. Server accepts the connection, creates a new KKMulti. Server. Thread object to process it, hands it the socket returned from accept, and starts the thread. Then the server goes back to listening for connection requests. The KKMulti. Server. Thread object communicates to the client by reading from and writing to the socket. Run the new Knock Knock server KKMulti. Server and then run several clients in succession. |
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