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Creating an array of objects in Java
... A[4];
...creates 4 A references, similar to doing this:
A a1;
A a2;
A a3;
A a4;
Now you couldn't do a1.someMethod() without allocating a1 like this:
a1 = new A();
Similarly, with the array you need to do this:
a[0] = new A();
...before using it.
...
What is the “FS”/“GS” register intended for?
...called "flat (IMHO dull) address space". The segment registers on the x86-32 machine can still be used for real segment registers, but nobody has bothered (Andy Grove, former Intel president, had a rather famous public fit last century when he figured out after all those Intel engineers spent energ...
Split string every nth character?
...
>>> line = '1234567890'
>>> n = 2
>>> [line[i:i+n] for i in range(0, len(line), n)]
['12', '34', '56', '78', '90']
share
|
...
Scala: Abstract types vs generics
...g like this:
// Type parameter version
class MySuite extends FixtureSuite3[StringBuilder, ListBuffer, Stack] with MyHandyFixture {
// ...
}
Whereas with the type member approach it will look like this:
// Type member version
class MySuite extends FixtureSuite3 with MyHandyFixture {
// ....
Using an integer as a key in an associative array in JavaScript
...
132
Use an object, as people are saying. However, note that you can not have integer keys. JavaScri...
Change Oracle port from port 8080
...
243
From Start | Run open a command window.
Assuming your environmental variables are set correctly ...
What is the difference between Left, Right, Outer and Inner Joins?
...
Dan C
10333 bronze badges
answered Jan 15 '09 at 19:18
BradCBradC
36.3k1212 gold badge...
how to get an uri of an image resource in android
...
138
The format is:
"android.resource://[package]/[res id]"
[package] is your package name
[res i...
Retrieving Android API version programmatically
...re your application is not retro-compatible with Cupcake (android 1.5 / API3) when you use it or your application will crash (thanks to Programmer Bruce for the precision).
Corresponding android documentation is here and here
...
Run PostgreSQL queries from the command line
...|
edited May 28 '14 at 15:34
Tomalak
294k6060 gold badges474474 silver badges577577 bronze badges
answer...