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Counting inversions in an array
I'm designing an algorithm to do the following: Given array A[1... n] , for every i < j , find all inversion pairs such that A[i] > A[j] . I'm using merge sort and copying array A to array B and then comparing the two arrays, but I'm having a difficult time seeing how I can use this to find...
check android application is in foreground or not? [duplicate]
I went through a lot of answers for this question.But it's all about single activity..How to check whether the whole app is running in foreground or not ?
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list every font a user's browser can display
...families) that the browser can show? (I want to give the user a dropdown with a list of all available fonts, and allow the user to choose a font.)
I'd prefer not to have to hardcode this list ahead of time or send it down from the server. (Intuitively, it seems like the browser should know what fo...
Disable HttpClient logging
I am using commons-httpclient 3.1 in an integration test suite. The default logging for HttpClient is extremely noisy and I can't seem to turn it off. I've tried following the instructions here but none of them make any difference.
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Does using final for variables in Java improve garbage collection?
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Here's a slightly different example, one with final reference-type fields rather than final value-type local variables:
public class MyClass {
public final MyOtherObject obj;
}
Every time you create an instance of MyClass, you'll be creating an outgoing refer...
Is it possible to add dynamically named properties to JavaScript object?
...B': 2,
'PropertyC': 3
};
data["PropertyD"] = 4;
// dialog box with 4 in it
alert(data.PropertyD);
alert(data["PropertyD"]);
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Is it feasible to do (serious) web development in Lisp? [closed]
It obviously is possible to write almost any kind of application in almost any programming language, especially in such a powerful one as Lisp (be it Scheme or Common Lisp). But is it practical to use it for web development? If so, what should be a good starting point? Where can be found the proper ...
Why can a function modify some arguments as perceived by the caller, but not others?
...n this example, why is f() able to alter the value of x , as perceived within main() , but not the value of n ?
11 Ans...
How do I create a self-signed certificate for code signing on Windows?
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If you're using an older version such as Windows 7, you'll need to stick with MakeCert or another solution. Some people suggest the Public Key Infrastructure Powershell (PSPKI) Module.
Original Answer
While you can create a self-signed code-signing certificate (SPC - Software Publisher Certificat...
Parse v. TryParse
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Parse throws an exception if it cannot parse the value, whereas TryParse returns a bool indicating whether it succeeded.
TryParse does not just try/catch internally - the whole point of it is that it is implemented without exceptions so that it is fast....