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Type erasure techniques
... erasure techniques in C++ are done with function pointers (for behaviour) and void* (for data). The "different" methods simply differ in the way they add semantic sugar. Virtual functions, e.g., are just semantic sugar for
struct Class {
struct vtable {
void (*dtor)(Class*);
vo...
Why is the Windows cmd.exe limited to 80 characters wide?
...my terminal on unix. What is the history or reason behind windows lame command line?
14 Answers
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What does “@private” mean in Objective-C?
... // We can access protectedLetter because it's protected
// and it is declared by a superclass; @protected variables
// are available to subclasses.
protectedLetter = 'z';
// We can't access privateBool because it's private;
// only methods of the clas...
Replacing NAs with latest non-NA value
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@BallpointBen 's comment is important and should be included in the answer. Thanks!
– Ben
Mar 6 at 16:43
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JAVA线程池管理及分布式HADOOP调度框架搭建 - 人工智能(AI) - 清泛IT社区，...
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public static void main(String[] args) throws InterruptedException {
Vector list = new Vector(100);
for (int i = 0; i < 100; i++) {
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Same Navigation Drawer in different Activities
...orking navigation drawer like it's shown in the tutorial on the developer.android.com website. But now, I want to use one Navigation Drawer, i created in the NavigationDrawer.class for multiple Activities in my Application.
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Best practice for instantiating a new Android Fragment
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If Android decides to recreate your Fragment later, it's going to call the no-argument constructor of your fragment. So overloading the constructor is not a solution.
With that being said, the way to pass stuff to your Fragment...
Android: AutoCompleteTextView show suggestions when no text entered
...ou can arrange to show it when you want. Or, subclass AutoCompleteTextView and override enoughToFilter(), returning true all of time.
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Why is super.super.method(); not allowed in Java?
I read this question and thought that would easily be solved (not that it isn't solvable without) if one could write:
22...
Refresh Fragment at reload
In an android application I'm loading data from a Db into a TableView inside a Fragment . But when I reload the Fragment it displays the previous data. Can I repopulate the Fragment with current data instead of previous data?
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