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How to use enums in C++
...= Days.Saturday;
if (day == Days.Saturday)
Because Days is not a scope, nor object. It is a type. And Types themselves don't have members. What you wrote is the equivalent to std::string.clear. std::string is a type, so you can't use . on it. You use . on an instance of a class.
Unfortunately, ...
open read and close a file in 1 line of code
...lose it - Python will do it automatically either during garbage collection or at program exit. But as @delnan noted, it's better practice to explicitly close it for various reasons.
So, what you can do to keep it short, simple and explicit:
with open('pagehead.section.htm','r') as f:
output = ...
Python integer division yields float
...s returning int/int=int ? What should I do, is there a new division operator or must I always cast?
5 Answers
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Getting the last revision number in SVN?
Using PHP, Perl, or Python (preferably PHP), I need a way to query an SVN database and find out the last revision number sent to SVN. I don't need anything other than that. It needs to be non-intensive (so I do it every 5 minutes as a cron job; SVN's performance should not be affected).
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How to read from standard input in the console?
...m the command line, but my attempts have ended with the program exiting before I'm prompted for input. I'm looking for the equivalent of Console.ReadLine() in C#.
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How to override Backbone.sync?
... annotated source example where they overwrite Backbone.sync with a localstorage alternative
backbone-localStorage
Basically Backbone.sync should be a function that takes 4 arguments:
Backbone.sync = function(method, model, options) { };
You need to fire either options.success or options.error ...
How does Junit @Rule work?
I want to write test cases for a bulk of code, I would like to know details of JUnit @Rule annotation feature, so that I can use it for writing test cases. Please provide some good answers or links, which give detailed description of its functionality through a simple example.
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How to programmatically set the layout_align_parent_right attribute of a Button in Relative Layout?
...u just have to be very aware of what LayoutParams your accessing. This is normally achieved by checking the containing ViewGroup if it has a LayoutParams inner child then that's the one you should use. In your case it's RelativeLayout.LayoutParams. You'll be using RelativeLayout.LayoutParams#addRule...
How to diff one file to an arbitrary version in Git?
...n replace master~20, of course, with the object name (SHA1sum) of a commit or any of the many other ways of specifying a revision.
Note that this is actually comparing the old pom.xml to the version in your working tree, not the version committed in master. If you want that, then you can do the fo...
How many bytes in a JavaScript string?
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String values are not implementation dependent, according the ECMA-262 3rd Edition Specification, each character represents a single 16-bit unit of UTF-16 text:
4.3.16 String Value
A string value is a member of the type String and is a
finite ordered sequence of zero or
more...