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What is the difference between a port and a socket?
...
Firsty, I think we should start with a little understanding of what constitutes getting a packet from A to B.
A common definition for a network is the use of the OSI Model which separates a network out into a number of layers according to purpose. Th...
How do I determine the size of an object in Python?
... a descriptor (like a property) in the class definition.
Slotted instances start out with 48 bytes on their first element, and increase by 8 each additional. Only empty slotted objects have 16 bytes, and an instance with no data makes very little sense.
Also, each function definition has code object...
What is the 'dynamic' type in C# 4.0 used for?
...rd, proponents, opponents, discussions, rants, praise, etc.
I suggest you start with the following links and then google for more:
DevDays 2010: Anders Hejlsberg - C# 4.0 and beyond
Channel 9: Mads Torgersen - Inside C# 4.0: dynamic typing + +
DevX: COM Interop Gets Much Better in C# 4.0
Scott Ha...
Optional Parameters with C++ Macros
...but can't quite see how it works, I'll step through the actual processing, starting with the following code...
XXX();
XXX(1);
XXX(1,2);
XXX(1,2,3);
XXX(1,2,3,4);
XXX(1,2,3,4,5); // Not actually valid, but included to show the process
Becomes...
XXX_X(, XXX_4(), XXX_3(), XXX_2(), XX...
javax.faces.application.ViewExpiredException: View could not be restored
...side state configured and/or when server re-generates the AES key during restart, see also Getting ViewExpiredException in clustered environment while state saving method is set to client and user session is valid how to solve it.
Regardless of the solution, make sure you do not use enableRestoreVi...
SQLAlchemy: What's the difference between flush() and commit()?
...e.
When session.autocommit == True:
You can't call commit() if you haven't started a transaction (which you probably haven't since you would probably only use this mode to avoid manually managing transactions).
In this mode, you must call flush() to save your ORM changes. The flush effectively also ...
reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
...ject if it interests you. Joe Duffy's book and his blog are good places to start. My rule: don't use multithreading. If you must, use immutable data structures. If you can't, use locks. Only when you must have mutable data without locks should you consider low-lock techniques.
–...
What's the right OAuth 2.0 flow for a mobile app
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FYI the document references in the start of this Answer if not draft anymore OAuth 2.0 for Native Apps - tools.ietf.org/html/rfc8252
– Kostiantyn Sokolinskyi
Jan 28 '18 at 10:58
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How does HTTP file upload work?
...399963166993862150
This is because the standard requires the boundary to start with two dashes --. The other dashes appear to be just how Firefox chose to implement the arbitrary boundary. RFC 7578 clearly mentions that those two leading dashes -- are required:
4.1. "Boundary" Parameter of mu...
Why not use tables for layout in HTML? [closed]
... once you get into a shop where they are two distinct roles the advantages start to become clearer.
If you know what you're doing and have good tools, CSS really does have significant advantages over tables for layout. And while each item by itself may not justify abandoning tables, taken together...
