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What is the difference between active and passive FTP?
...son I say this is that, if this is not true (my argument) then the client side even if it is behind a firewall can always create two fire-wall rules one for the outgoing connection and one for the incoming connection.
– arun.raj.mony
Oct 25 '13 at 5:35
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What is the correct answer for cout
...<(std::operator<<(std::cout, a++), a);
C++ guarantees that all side effects of previous evaluations will have been performed at sequence points. There are no sequence points in between function arguments evaluation which means that argument a can be evaluated before argument std::operator...
What would cause an algorithm to have O(log log n) complexity?
...of a problem that yields runtimes of the form O(log log n). Instead of dividing the input in half at each layer, what happens if we take the square root of the size at each layer?
For example, let's take the number 65,536. How many times do we have to divide this by 2 until we get down to 1? If w...
Simplest PHP example for retrieving user_timeline with Twitter API version 1.1
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Important Note: As of mid-2018, the process to get twitter API tokens became a lot more bureaucratic. It has taken me over one working week to be provided a set of API tokens, and this is for an open source project for you guys and girls with over ...
Why does NULL = NULL evaluate to false in SQL server
...not mean they're equal. If when you think of NULL you think of “NULL” (string) then you probably want a different test of equality like Postgresql's IS DISTINCT FROM AND IS NOT DISTINCT FROM
From the PostgreSQL docs on "Comparison Functions and Operators"
expression IS DISTINCT FROM expression
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AngularJS : Where to use promises?
...tion on the $q service. It took me a while to understand it.
Let's set aside AngularJS for a moment and just consider the Facebook API calls. Both the API calls use a callback mechanism to notify the caller when the response from Facebook is available:
facebook.FB.api('/' + item, function (res...
Perl build, unit testing, code coverage: A complete working example
...CPAN modules because that's where the full documentation is supposed to reside. I've had trouble finding complete working code examples in many cases, though.
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Do I need a Global.asax.cs file at all if I'm using an OWIN Startup.cs class and move all configurat
...ample in a brand new ASP.NET MVC 5 application made from the MVC with Individual Accounts template, if I delete the Global.asax.cs class and move it's configuration code to Startup.cs Configuration() method as follow, what are the downsides?
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Is it .yaml or .yml?
...been obsolete for nearly 2 decades. If anything, I'd argue that the World-Wide Web deprecated it in the 90s. It's offensive that anybody even tries to care. Enough so that I'd file a bug against any piece of software that breaks because of it.
– Dave
Aug 1 '16 ...
Why does my application spend 24% of its life doing a null check?
...d. The next statement is very cheap because the while() statement already did the heavy lifting of retrieving the value from memory. Assigning the local variable is cheap, a processor uses a buffer for writes.
Not otherwise a simple problem to solve, flattening your tree into arrays is very likely ...