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Calculate size of Object in Java [duplicate]
...te static Instrumentation instrumentation;
public static void premain(String args, Instrumentation inst) {
instrumentation = inst;
}
public static long getObjectSize(Object o) {
return instrumentation.getObjectSize(o);
}
}
Use getObjectSize:
public class C {
pr...
What is the correct syntax for 'else if'?
...xecute functions but the idea scares me like computed gotos or pasting Tcl strings together and execing them. Is this good practice? Can you name an example?
– msw
Mar 7 '10 at 5:35
...
How do I concatenate two arrays in C#?
...ys instead of lists. eg System.IO.Directory.GetFiles() returns an array of strings.
– orion elenzil
Jan 7 '16 at 17:55
4
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Using vagrant to run virtual machines with desktop environment
...ld solve us the problem that everyone have different software versions installed in the VM.
11 Answers
...
CSS3 Rotate Animation
... Fiddle doesn't work o.O Chrome inspector does not like your CSS, specifically the "transform" and "transition-property". Oh dear.
– Just Plain High
Apr 5 '14 at 10:07
1
...
android.content.res.Resources$NotFoundException: String resource ID #0x0
...
Change
dateTime.setText(app.getTotalDl());
To
dateTime.setText(String.valueOf(app.getTotalDl()));
There are different versions of setText - one takes a String and one takes an int resource id. If you pass it an integer it will try to look for the corresponding string resource id - whic...
Enforcing spaces in string resources [duplicate]
In an Android string resource, how do I enforce a space?
3 Answers
3
...
What does the 'u' symbol mean in front of string values? [duplicate]
...
The 'u' in front of the string values means the string is a Unicode string. Unicode is a way to represent more characters than normal ASCII can manage. The fact that you're seeing the u means you're on Python 2 - strings are Unicode by default on Py...
What does a Ajax call response like 'for (;;); { json data }' mean? [duplicate]
I found this kind of syntax being used on Facebook for Ajax calls. I'm confused on the for (;;); part in the beginning of response. What is it used for?
...
What does Class mean in Java?
... when you use it with Class. Both lines work and compile:
Class anyType = String.class;
Class <?> theUnknownType = String.class;
But - if we start using it with collections, then we see strange compiletime errors:
List<?> list = new ArrayList<Object>(); // ArrayList<?> i...