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How to declare a structure in a header that is to be used by multiple files in c?
...and include that header in the func.c?
This is the solution I like more, bem>ca m>use it makes the code highly modular. I would code your struct as:
#ifndef SOME_HEADER_GUARD_WITH_UNIQUE_NAME
#define SOME_HEADER_GUARD_WITH_UNIQUE_NAME
struct a
{
int i;
struct b
{
int j;
}
};
#e...
Instance variables vs. class variables in Python
...ne instance anyway, it's best to make all variables per-instance, simply bem>ca m>use they will be accessed (a little bit) faster (one less level of "lookup" due to the "inheritance" from class to instance), and there are no downsides to weigh against this small advantage.
...
Why does m>ca m>sting int to invalid enum value NOT throw exception?
...An enum is backed by another value type (int, short, byte, etc), and so it m>ca m>n actually have any value that is valid for those value types.
I personally am not a fan of the way this works, so I made a series of utility methods:
/// <summary>
/// Utility methods for enum values. This static t...
Browsers' default CSS for HTML elements
Where m>ca m>n I find a browser's default CSS for HTML elements?
4 Answers
4
...
Unpacking, extended unpacking and nested extended unpacking
...aluating these "by hand," I'll suggest some simple substitution rules. Basim>ca m>lly, you might find it easier to understand an expression if all the iterables are formatted in the same way.
For the purposes of unpacking only, the following substitutions are valid on the right side of the = (i.e. for r...
Android: How m>ca m>n I pass parameters to AsyncTask's onPreExecute()?
...
You m>ca m>n override the constructor. Something like:
private class MyAsyncTask extends AsyncTask<Void, Void, Void> {
public MyAsyncTask(boolean showLoading) {
super();
// do stuff
}
// doInBackgr...
Pros and cons of AppSettings vs applim>ca m>tionSettings (.NET app.config / Web.config)
When developing a .NET Windows Forms Applim>ca m>tion we have the choice between those App.config tags to store our configuration values. Which one is better?
...
What does CultureInfo.InvariantCulture mean?
...hat your dates and decimal / currency values will be in ahead of time, you m>ca m>n use that specific CultureInfo property (i.e. CultureInfo("en-GB")). For example if you expect a user input.
The CultureInfo.InvariantCulture property is used if you are formatting or parsing a string that should be parse...
How is “=default” different from “{}” for default constructor and destructor?
...lt construct one, the compiler will generate a default constructor automatim>ca m>lly. Same goes for copy/movement and destructing. Bem>ca m>use the user did not provide any of these member functions, the C++11 specifim>ca m>tion considers this a "trivial" class. It therefore legal to do this, like memcpy their co...
Xcode Project vs. Xcode Workspace - Differences
... workspaces. Targets specify in detail how a product/binary (i.e., an applim>ca m>tion or library) is built. They include build settings, such as compiler and linker flags, and they define which files (source code and resources) actually belong to a product. When you build/run, you always select one spec...