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How should I have explained the difference between an Interface and an Abstract class?
...t did not say anything about the difference in meaning.
An interface is a description of the behaviour an implementing class will have. The implementing class ensures, that it will have these methods that can be used on it. It is basically a contract or a promise the class has to make.
An abstract...
Making macOS Installer Packages which are Developer ID ready
...AppComponents.plist
This give us the component-plist, you find the value description in the "Component Property List" section. pkgbuild -root generates the component packages, if you don't need to change any of the default properties you can omit the --component-plist parameter in the following co...
Group vs role (Any real difference?)
...en up. Role engineering (along with best-practices like well-defined group descriptions and empowered group access managers) can limit conflicts of interest within an organization, decentralize decision-making and help make security management more rational.
...
Actionbar notification count icon (badge) like Google has
...ravity="center"
android:layout_margin="0dp"
android:contentDescription="bell"
/>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/hotlist_hot"
android:layout_width="wrap_content"
android:minWidth="17sp"
...
How ListView's recycling mechanism works
...
Using the Holder pattern you can achieve what you want:
You can find description of this pattern here:
Recycling of list view happens when you scroll down the screen and above list view items are hidden . They are reused to show new list view items.
...
How to return a string value from a Bash function
...using the -n option to the
declare or local builtin commands (see the descriptions of declare and local
below) to create a nameref, or a reference to another variable. This allows
variables to be manipulated indirectly. Whenever the nameref variable is⋅
referenced or assigned...
Functional programming - is immutability expensive? [closed]
...vel) fine-tuning that can only be efficiently performed on arrays. A naive description of the quicksort misses all these intricacies (both in the functional and in the procedural variant).
After reading “Engineering a sort function” I can no longer consider quicksort an elegant algorithm. Imple...
Is Python strongly typed?
...
The description in the link strongly typed: "Generally, a strongly typed language has stricter typing rules at compile time, which implies that errors and exceptions are more likely to happen during compilation." implies Python i...
Clang vs GCC for my Linux Development project
...is accepted without warning by GCC, but rejected by Clang with some pretty descriptive error messages:
main()
{
puts("Hello, world!");
}
With GCC, you have to give it -Werror to get it to really make a point about this not being a valid C89 program. Also, you still need to use c99 or gcc -std...
What are the differences between Perl, Python, AWK and sed? [closed]
...entially written). Since a great deal of real-world work conforms to this description, and a good programmer can learn gawk in two hours, it is the best choice. On this planet, simpler and faster is better!
Perl or Python are far better than any version of awk or sed when you have very complex in...