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How can I declare and define multiple variables in one line using C++?
...en uint8_t height; uint8_t width; to begin with).
– altendky
Jun 17 '15 at 15:08
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The most sophisticated way for creating comma-separated Strings from a Collection/Array/List?
... options to do this more cleanly in a single line, both using only Java built-in classes or using a utility library. See other answers below.
Since strings are immutable, you may want to use the StringBuilder class if you're going to alter the String in the code.
The StringBuilder class can be s...
Force an Android activity to always use landscape mode
...
Looking at the AndroidManifest.xml (link), on line 9:
<activity android:screenOrientation="landscape" android:configChanges="orientation|keyboardHidden" android:name="VncCanvasActivity">
This line specifies the screenOrientation as landscape, but author goes further in ov...
Android: Specify two different images for togglebutton using XML
I'm attempting to override the default ToggleButton appearance. Here's the XML that defines the ToggleButton :
1 Answer
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Split array into chunks
... original array.
var i,j,temparray,chunk = 10;
for (i=0,j=array.length; i<j; i+=chunk) {
temparray = array.slice(i,i+chunk);
// do whatever
}
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What is the easiest/best/most correct way to iterate through the characters of a string in Java?
... a constant time operation.
String s = "...stuff...";
for (int i = 0; i < s.length(); i++){
char c = s.charAt(i);
//Process char
}
That's what I would do. It seems the easiest to me.
As far as correctness goes, I don't believe that exists here. It is all based on your perso...
What do I return if the return type of a method is Void? (Not void!)
...null. Void can't be instantiated and is merely a placeholder for the Class<T> type of void.
What's the point of Void?
As noted above, it's a placeholder. Void is what you'll get back if you, for example, use reflection to look at a method with a return type of void. (Technically, you'll ...
How to programmatically clear application data
...ry()) {
String[] children = dir.list();
for (int i = 0; i < children.length; i++) {
boolean success = deleteDir(new File(dir, children[i]));
if (!success) {
return false;
}
}
}
// <uses-permission
// andro...
Convert base class to derived class [duplicate]
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No, there's no built-in way to convert a class like you say. The simplest way to do this would be to do what you suggested: create a DerivedClass(BaseClass) constructor. Other options would basically come out to automate the copying of prope...
C# List to string with delimiter
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You can use String.Join. If you have a List<string> then you can call ToArray first:
List<string> names = new List<string>() { "John", "Anna", "Monica" };
var result = String.Join(", ", names.ToArray());
In .NET 4 you don't need the ToArray anymor...