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Why does Java allow us to compile a class with a name different than the file name?
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The rationale is to allow more than one top-level class per .java file.
Many classes—such as event listeners—are of local use only and the earliest versions of Java did not support nested classes. Without this relaxation of the "filen...
Can a class member function template be virtual?
I have heard that C++ class member function templates can't be virtual. Is this true?
12 Answers
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DynamoDB vs MongoDB NoSQL [closed]
...0k records per month in the first year and maybe more for the next years this is a vertical application so there's no need to use a database for this, that's the reason why I decided to choose a noSQL data storage.
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Is it possible to set code behind a resource dictionary in WPF for event handling?
Is it possible to set code behind a resource dictionary in WPF. For example in a usercontrol for a button you declare it in XAML. The event handling code for the button click is done in the code file behind the control. If I was to create a data template with a button how can I write the event handl...
How do I activate C++ 11 in CMake?
...u know that you will always have CMake 3.1 available, you can just write this in your top-level CMakeLists.txt file, or put it right before any new target is defined:
set (CMAKE_CXX_STANDARD 11)
If you need to support older versions of CMake, here is a macro I came up with that you can use:
macr...
How do you maintain development code and production code? [closed]
...e the best practices and rules-of-thumb to follow while maintaining code? Is it good practice to have only the production ready code in the development branch, or should untested latest code be available in the development branch?
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shared_ptr to an array : should it be used?
...anage a dynamically allocated array. The shared_ptr template argument in this case must be T[N] or T[]. So you may write
shared_ptr<int[]> sp(new int[10]);
From n4659, [util.smartptr.shared.const]
template<class Y> explicit shared_ptr(Y* p);
Requires: Y shall be a complete t...
static const vs #define
Is it better to use static const vars than #define preprocessor? Or maybe it depends on the context?
11 Answers
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Deep cloning objects
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Whilst the standard practice is to implement the ICloneable interface (described here, so I won't regurgitate), here's a nice deep clone object copier I found on The Code Project a while ago and incorporated it in our stuff.
As mentioned elsewhere, it re...
Reading a simple text file
...er class to access it.
AssetManager am = context.getAssets();
InputStream is = am.open("test.txt");
Or you can also put the file in the /res/raw directory, where the file will be indexed and is accessible by an id in the R file:
InputStream is = context.getResources().openRawResource(R.raw.test)...