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How to get overall CPU usage (e.g. 57%) on Linux [closed]
...ts before copy-paste this or using this for any serious work. This was not tested nor used, it's an idea for people who do not want to install a utility or for something that works in any distribution. Some people think you can "apt-get install" anything.
NOTE: this is not the current CPU usage, b...
Linear Regression and group by in R
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Inside the function you'd need to test for that case and use a different formula
– hadley
Mar 14 '13 at 15:24
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How do I put two increment statements in a C++ 'for' loop?
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I first thought you were incorrect, but I wrote some test code and you are correct - it does not behave like a comma operator. Will amend my answer!
– Paul Dixon
Aug 5 '09 at 10:27
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Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
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You can use Qemu to test assignments quickly. This procedure below takes less than 5 seconds on my 5 year old laptop.
Let's assume the student has to develop a program that takes unsigned ints, each on their own line, until a line with "-1" arr...
This app won't run unless you update Google Play Services (via Bazaar)
I'm testing out the new Google Maps API V2 for Android, and I'm getting this message when the app launches:
12 Answers
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Java: How to get input from System.console()
...mport java.io.IOException;
import java.io.InputStreamReader;
public class Test {
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.print("Enter String");
String s = br.readLin...
Rename all files in directory from $filename_h to $filename_half?
... one_h.png two_h.png three_h.png
$ ls
one_h.png three_h.png two_h.png
test solution:
$ rename 's/_h.png/_half.png/' *.png
$ ls
one_half.png three_half.png two_half.png
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How to detect which one of the defined font was used in a web page?
...tch
Gecko.
I took a pass at this problem and created Font Unstack, which tests each font in a stack and returns the first installed one only. It uses the trick that @MojoFilter mentions, but only returns the first one if multiple are installed. Though it does suffer from the weakness that @tlrobin...
Google Play on Android 4.0 emulator
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Note: Vending.apk is called Phonesky.apk in latest releases
– Catalin Morosan
Sep 11 '12 at 8:44
9
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How do I auto-hide placeholder text upon focus using css or jquery?
... $(this).attr('placeholder', $(this).data('holder'));
});
});
Test: http://jsfiddle.net/mPLFf/4/
-EDIT-
Actually, since placeholder should be used to describe the value, not the name of the input. I suggest the following alternative
html:
<label class="overlabel">
<spa...