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Why is iostream::eof inside a loop condition (i.e. `while (!stream.eof())`) considered wrong?
... sure that the read was successful.
// if it wasn't, the returned stream from operator>> would be converted to false
// and the loop wouldn't even be entered
// do stuff with correctly initialized data (hopefully)
}
And on your second question: Because
if(scanf("...",...)!=EOF)
is t...
What is the difference between “git init” and “git init --bare”?
...on't want/need a "logically central" repository. One would prefer git pull from the other repositories in that case. This avoids the objections that git has when pushing to non-bare repositories.
Hope this helps
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Calling Objective-C method from C++ member function?
...s a objective-C function [context renderbufferStorage:GL_RENDERBUFFER fromDrawable:(CAEAGLLayer*)self.layer]; which I cannot do in C++ syntax.
...
Functional, Declarative, and Imperative Programming [closed]
...et of declarative. On that point it depends if we differentiate "function" from "procedure". Lets handle imperative vs. declarative first.
Definition of declarative expression
The only attribute that can possibly differentiate a declarative expression from an imperative expression is the referential...
Prevent user from seeing previously visited secured page after logout
...isabled.
Your concrete problem is that the requested page is been loaded from the browser cache instead of straight from the server. This is essentially harmless, but indeed confusing to the enduser, because s/he incorrectly thinks that it's really coming from the server.
You just need to instruc...
Cross Domain Form POSTing
...ript, then the same origin policy comes into play but if you post directly from the form i.e. the action points to a different server like:
<form action="http://someotherserver.com">
and there is no javascript involved in posting the form, then the same origin policy is not applicable.
S...
Rails: How does the respond_to block work?
...ActionController.
it takes a block, which is like a delegate. The block is from do until end, with |format| as an argument to the block.
respond_to executes your block, passing a Responder into the format argument.
http://api.rubyonrails.org/v4.1/classes/ActionController/Responder.html
The Respo...
ImportError: Cannot import name X
...
You have circular dependent imports. physics.py is imported from entity before class Ent is defined and physics tries to import entity that is already initializing. Remove the dependency to physics from entity module.
...
How to open multiple pull requests on GitHub
...mits is:
Isolate them into their own branch.
Open the pull requests from there.
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How do I raise the same Exception with a custom message in Python?
...essage " +e.message)
This will also do the right thing if err is derived from ValueError. For example UnicodeDecodeError.
Note that you can add whatever you like to err. For example err.problematic_array=[1,2,3].
Edit: @Ducan points in a comment the above does not work with python 3 since .me...