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Why is there no logical xor in JavaScript?
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JavaScript traces its ancestry back to C, and C does not have a logical XOR operator. Mainly because it's not useful. Bitwise XOR is extremely useful, but in all my years of programming I have never needed a logical XOR.
If you have two boolean variables you can mim...
What is the difference between i++ and ++i?
I've seen them both being used in numerous pieces of C# code, and I'd like to know when to use i++ or ++i ( i being a number variable like int , float , double , etc). Anyone who knows this?
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What is a “batch”, and why is GO used?
I have read and read over MSDN, etc. Ok, so it signals the end of a batch.
6 Answers
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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
I have read many posts on SO and the web regarding the keywords in my question title and learned a lot from them. Some of the questions I read are related to specific implementation challenges while others focus on general concepts. I just want to make sure I understood all of the concepts and the r...
Shiro vs. SpringSecurity [closed]
... making security easier to implement, Shiro seems to be much more coherent and easier to understand. I am looking for lists of pros and cons between these two frameworks.
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iOS / Android cross platform development [closed]
I've been playing around with developing Android apps in Java for a while and am starting to get a handle on it. However if I want to on start on an iOS version I need to code everything from scratch - which is, well, undesirable.
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Convert Python program to C/C++ code? [closed]
...e that won't save you anything unless you add a bunch of cdef declarations and thereby introduce static typing (otherwise you just juggle opaque PyObject * stuff). And it will never get quite as fast as plain C because it's usually interfacing with Python (100% or more? only for plain numerical code...
Java's L number (long) specification
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There are specific suffixes for long (e.g. 39832L), float (e.g. 2.4f) and double (e.g. -7.832d).
If there is no suffix, and it is an integral type (e.g. 5623), it is assumed to be an int. If it is not an integral type (e.g. 3.14159), it is assumed to be a double.
In all other cases (byte, sho...
What exactly is an HTTP Entity?
...majority of an HTTP request or response, consisting of some of the headers and the body, if present. It seems to be the entire request or response without the request or status line (although only certain header fields are considered part of the entity).
To illustrate; here's a request:
POST /foo...
Why would you use String.Equals over ==? [duplicate]
I recently was introduced to a large codebase and noticed all string comparisons are done using String.Equals() instead of ==
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