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How to change the type of a field?
....0.16, when I assign a string value it automatically converts it to 0. without an error. I want to throw an error on wrong data assignment, this behavior turning out strange for me.
– Swapnil Chincholkar
Feb 1 '13 at 11:37
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Maximum Java heap size of a 32-bit JVM on a 64-bit OS
The question is not about the maximum heap size on a 32-bit OS, given that 32-bit OSes have a maximum addressable memory size of 4GB, and that the JVM's max heap size depends on how much contiguous free memory can be reserved.
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What is “git remote add …” and “git push origin master”?
...gic... such as in the first chapter of Rails 3 Tutorial book , it talks about Git:
5 Answers
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What do 'real', 'user' and 'sys' mean in the output of time(1)?
What do 'real', 'user' and 'sys' mean in the output of time?
6 Answers
6
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How to make a .jar out from an Android Studio project
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Well, then I should tell you that I'm not sure about release. I've got debug and default, but no release folder. What version of the plugin are you using? Do you know if this is documented anywhere?
– Cameron Lowell Palmer
Apr 7 '17 at...
Which would be better for concurrent tasks on node.js? Fibers? Web-workers? or Threads?
I stumbled over node.js sometime ago and like it a lot. But soon I found out that it lacked badly the ability to perform CPU-intensive tasks. So, I started googling and got these answers to solve the problem: Fibers, Webworkers and Threads (thread-a-gogo). Now which one to use is a confusion and one...
Comparing two collections for equality irrespective of the order of items in them
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It turns out Microsoft already has this covered in its testing framework: CollectionAssert.AreEquivalent
Remarks
Two collections are equivalent if they
have the same elements in the same
quantity, but in any order. Eleme...
What is the difference between Step Into and Step Over in the Eclipse debugger?
...ain():
public class testprog {
static void f (int x) {
System.out.println ("num is " + (x+0)); // <- STEP INTO
}
static void g (int x) {
-> f(x); //
f(1); // <----------------------------------- STEP OVER
}
public static void main (String args[]) ...
Garbage collector in Android
...o call System.gc().
I tried to create Bitmaps, but was always getting "VM out of memory error". But, when I called System.gc() first, it was OK.
When creating bitmaps, Android often fails with out of memory errors, and does not try to garbage collect first. Hence, call System.gc(), and you have en...
How can I efficiently download a large file using Go?
...p (error checks omitted for brevity):
import ("net/http"; "io"; "os")
...
out, err := os.Create("output.txt")
defer out.Close()
...
resp, err := http.Get("http://example.com/")
defer resp.Body.Close()
...
n, err := io.Copy(out, resp.Body)
The http.Response's Body is a Reader, so you can use any f...