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Getting the IP address of the current machine using Java
... the destination for Send/Recv, discards all packets from other addresses, and - which is what we use - transfers the socket into "connected" state, settings its appropriate fields. This includes checking the existence of the route to the destination according to the system's routing table and setti...
SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
...ngs to whom (the user), we need to create a mapping between the connection and the user. This depends on how you identify a user in your application.
In SignalR 2.0, this is done by using the inbuilt IPrincipal.Identity.Name, which is the logged in user identifier as set during the ASP.NET authenti...
C++ - passing references to std::shared_ptr or boost::shared_ptr
...in another part of the code) of clearing a shared_ptr to that same object? And what if it happens to be the only remaining distinct shared_ptr to that object? Bye bye object, just where you're about to try and use it.
So there are two ways to answer that question:
Examine the source of your entir...
How to recursively download a folder via FTP on Linux [closed]
I'm trying to ftp a folder using the command line ftp client, but so far I've only been able to use 'get' to get individual files.
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Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
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important that you use process.env.PORT and not process.env.port.
– gprasant
Feb 25 '14 at 14:15
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How can I hash a password in Java?
... good algorithm to use for password hashing.
byte[] salt = new byte[16];
random.nextBytes(salt);
KeySpec spec = new PBEKeySpec("password".toCharArray(), salt, 65536, 128);
SecretKeyFactory f = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
byte[] hash = f.generateSecret(spec).getEncoded();
Bas...
Why is inserting in the middle of a linked list O(1)?
...r business logic that a new node needs to be added (or an old one deleted) and you do so. You may add 50 nodes in a single iteration and each of those nodes is just O(1) the time to unlink two adjacent nodes and insert your new one..
Edit: Man, you type a second paragraph and all of a sudden inste...
How do I send a POST request with PHP?
... when it is done. The problem is that the URL only accepts POST methods, and it does not take any action with GET method...
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Does disposing streamreader close the stream?
I am sending a stream to methods to write on, and in those methods I am using a binary reader/wrtier. When the reader/writer gets disposed, either by using or just when it is not referenced, is the stream closed as well??
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Easy way to convert Iterable to Collection
...eates a copy of the iterable. It wasn't specified that a view was desired, and given that most of the methods on Collection either can't be implemented for a view of an Iterable or won't be efficient, it doesn't make much sense to me to do that.
– ColinD
Jun 20...