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Abstract class in Java
...nterface (100%)
Abstract class with constructors, data members, methods, etc
abstract class GraphicObject {
GraphicObject (){
System.out.println("GraphicObject is created");
}
void moveTo(int y, int x) {
System.out.println("Change position according to "+ x+ " and " + y);
}
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Why does C++ need a separate header file?
...g the code between different units (different developers, teams, companies etc..)
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How to resize superview to fit all subviews with autolayout?
...eft with default margin, width and height are dynamic based on text, font, etc (i.e. UILabel has an intrinsicContentSize))
[self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|-[_myLabel]" options:0 metrics:0 views:viewsDictionary]];
[self.view addConstraints:[NSLay...
To Workflow or Not to Workflow?
...he visual effect that it has: it keeps me away from the details of if/else etc constructs and makes the business rules apparent in a way that doesn't make you forced to dive into lines of code to know what's going on or how to fix some bug.
By the way, the project that we worked on is very similar ...
How to remove convexity defects in a Sudoku square?
...t: Solving a Sudoku from an input image using OpenCV (as in Google goggles etc). And I have completed the task, but at the end I found a little problem for which I came here.
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MyISAM versus InnoDB [closed]
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People often talk about performance, reads vs. writes, foreign keys, etc. but there's one other must-have feature for a storage engine in my opinion: atomic updates.
Try this:
Issue an UPDATE against your MyISAM table that takes 5 seconds.
While the UPDATE is in progress, say 2.5 seconds i...
How to filter specific apps for ACTION_SEND intent (and set a different text for each app)
...roid.gm")) {
Intent intent = new Intent();
intent.setComponent(new ComponentName(packageName, ri.activityInfo.name));
intent.setAction(Intent.ACTION_SEND);
intent.setType("text/plain");
if(packageName.contains("twitter")) {
...
How does the Java 'for each' loop work?
...nges to the test-function (int[] to List<Integer>, length to size(), etc.):
[C:\java_code\]java TimeIteratorVsIndexIntegerList 1000000
Test A: 3,429,929,976 nanoseconds
Test B: 5,262,782,488 nanoseconds
A faster by 1,832,852,512 nanoseconds (34.326681820485675% faster)
[C:\java_code\]java Ti...
Why hasn't functional programming taken over yet?
... Mainstream languages keep getting more Smalltalk-like with C++, Java, C#, etc. Fashion and style change slower than anything, so when OO went mainstream, we got it by gluing parts of OO to old languages so it looked enough like C to swallow.
Functional is the same way. Haskell was a great functi...
Capture Image from Camera and Display in Activity
...dInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
this.imageView = (ImageView)this.findViewById(R.id.imageView1);
Button photoButton = (Button) this.findViewById(R.id.button1);
photoButton.setOnClickListener(new View.OnCl...