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What is the X-REQUEST-ID http header?
I have already googled a lot this subject, read various articles about this header, its use in Heroku, and projects based on Django.
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What's the difference between “STL” and “C++ Standard Library”?
...82:2014 (and earlier versions, such as ISO/IEC 14882:2011).
The STL was already widely used as a library for C++, giving programmers access to containers, iterators and algorithms. When the standardisation happened, the language committee designed parts of the C++ Standard Library (which is part of...
TCP: can two different sockets share a port?
...stening on a port. Once it gets a connection, it hands it off to another thread. The communication never hogs the listening port.
2.) Connections are uniquely identified by the OS by the following 5-tuple: (local-IP, local-port, remote-IP, remote-port, protocol). If any element in the tuple is dif...
Repeat String - Javascript
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Note to new readers: This answer is old and and not terribly practical - it's just "clever" because it uses Array stuff to get
String things done. When I wrote "less process" I definitely meant
"less code" because, as others have not...
Why no love for SQL? [closed]
...ou wouldn't have to care about performance. So you end up in writing SQL - reading execution plans - rephrasing SQL trying to influence the execution plan, and you wonder why you can't write the execution plan yourself.
Another problem of the declarative language is that some problems are easier to...
Copy constructor versus Clone()
...re situations where some code might want to clone something without having ready access to what the type is (e.g. because it's a field, property, or function return from another class) and a dummy parameter would allow a means of properly inferring the type. Thinking about it, it's probably not rea...
Is it better in C++ to pass by value or pass by constant reference?
...a good set of rules found in Move Constructors article (highly recommended reading).
If the function intends to change the argument as a side effect, take it by non-const reference.
If the function doesn't modify its argument and the argument is of primitive type, take it by value.
Otherwise take...
How to post pictures to instagram using API
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If you read the link you shared, the accepted answer is:
You cannot post pictures to Instagram via the API.
It seems you can emulate instagram on PC though.
Bluestacks is an emulator which lets you run android apps on your PC...
How are parameters sent in an HTTP POST request?
...Right Thing™" with such requests and provide you with easy access to the readily decoded values (like $_REQUEST or $_POST in PHP, or cgi.FieldStorage(), flask.request.form in Python).
Now let's digress a bit, which may help understand the difference ;)
The difference between GET and POST reque...
Should I test private methods or only public ones? [closed]
I have read this post about how to test private methods. I usually do not test them, because I always thought it's faster to test only public methods that will be called from outside the object. Do you test private methods? Should I always test them?
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