client

问题 I have server and client. My server acepts all connections and returns to client string. But when I try to send more lines its crashed with java.net.SocketException: Socket is closed at java.net.Socket.getOutputStream(Unknown Source) at server.ServerCore.hiMsg(ServerCore.java:67) at server.ServerCore.run(ServerCore.java:49) Here is it my Server Code : package server; import java.io.File; import java.io.IOException; import java.io.ObjectOutputStream; import java.io.OutputStreamWriter; import

问题 I have server and client. My server acepts all connections and returns to client string. But when I try to send more lines its crashed with java.net.SocketException: Socket is closed at java.net.Socket.getOutputStream(Unknown Source) at server.ServerCore.hiMsg(ServerCore.java:67) at server.ServerCore.run(ServerCore.java:49) Here is it my Server Code : package server; import java.io.File; import java.io.IOException; import java.io.ObjectOutputStream; import java.io.OutputStreamWriter; import

问题 I have read from one of the blog, for security reasons, its suggested to do the input data validation at the server side not the client side. From the above statement, My mind started to ask then 1) what kind of validation i can do with JS in the client side. 2) Is there any rule where any programmers can decide where the validation needs to be performed, whether at the client side or the Server side? I am building Java based web application 回答1: You can do any kind of validation on the

问题 Client side validation is important to improve usability. Is there any cross-browser way to validate the file size before uploading it to the server. I am using asp.net file upload control. I found some third-party controls do that check: http://ajaxuploader.com/Demo/simple-upload.aspx and http://demo.essentialobjects.com/Default.aspx?path=AJAXU but How? 回答1: Previously, the only way to determine the filesize before the file was sent over to the server was to have 'thicker than javascript'

问题 Client side validation is important to improve usability. Is there any cross-browser way to validate the file size before uploading it to the server. I am using asp.net file upload control. I found some third-party controls do that check: http://ajaxuploader.com/Demo/simple-upload.aspx and http://demo.essentialobjects.com/Default.aspx?path=AJAXU but How? 回答1: Previously, the only way to determine the filesize before the file was sent over to the server was to have 'thicker than javascript'

问题 I have a Server class and a Timer inside it which is supposed to clear dead clients (clients who crashed). I followed the example below by locking the collection when the Timer iterates over the users but I still get this exception (after I crash a connected client). http://www.javaperformancetuning.com/articles/fastfail2.shtml List<User> users; List<User> connectedUsers; ConcurrentMap<User, IClient> clients; ... users = Collections.synchronizedList(new ArrayList<User>()); connectedUsers =

问题 I installed Oracle's Java on Fedora 17, and I noticed that when using the command java -version it returns this java version "1.7.0_05" Java(TM) SE Runtime Environment (build 1.7.0_05-b05) Java HotSpot(TM) 64-Bit Server VM (build 23.1-b03, mixed mode) Java seems to run the -server option by default. The help text came up as -server to select the "server" VM The default VM is server, because you are running on a server-class machine. Is there any way to change the default to client? 回答1: The

问题 As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance. Closed 6 years ago . My problem is how to send an email with attachemnts to the default mail client programmatically. My requirements are: setting

问题 Is it possible to use Npm-Modules on client-side? More specifically: I want to use node.js built-in crypto-module for encrypting a password the user enters and then send the encrypted password with a signature(/hmac) to my server. I need to do it that way, because I must be able to retrieve the original password server-side, because afterwards I'm going to send it to a ldap-server, because the user should authenticate with the same username/password he is registered with on that server. This

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 5 years ago . I am looking for a Windows graphical utility for performing HTTP operations. For example, I want to be able to say things like: POST to http://example.org/test/service With a POST body: "Data goes here" Does anyone know a good piece of software for doing this? 回答1: I too have been frustrated by the lack of good