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Change priorityQueue to max priorityqueue
...
How about like this:
PriorityQueue<Integer> queue = new PriorityQueue<>(10, Collections.reverseOrder());
queue.offer(1);
queue.offer(2);
queue.offer(3);
//...
Integer val = null;
while( (val = queue.poll()) != null) {...
Want to find records with no associated records in Rails
... Just imagine you have 10000000 records in friends table. What about performance in that case?
– goodniceweb
Dec 20 '16 at 14:51
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Prevent user from seeing previously visited secured page after logout
...the end user should not be able to go back to the restricted page after logout/sign out. But currently the end user is able to do that by the browser back button, visiting browser history or even by re-entering the URL in browser's address bar.
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Create Generic method constraining T to an Enum
...he line .assembly MyThing{} and invoking ilasm as follows:
ilasm.exe /DLL /OUTPUT=MyThing.netmodule
you get a netmodule instead of an assembly.
Unfortunately, VS2010 (and earlier, obviously) does not support adding netmodule references, which means you'd have to leave it in 2 separate assemblies wh...
How to build a Debian/Ubuntu package from source?
...pdate?
How I can prevent the system installing a newer version (when its out), overwriting my custom package?
My knowledge might be out of date on this one, but to address both:
Use dpkg --set-selections. Assuming nullidentd was the package you wanted to stay put, run as root
echo 'nullidentd ...
FormData.append(“key”, “value”) is not working
... using the FormData object in a web app meant for mobile and can't figure out how to debug it.
– kiwicomb123
Dec 29 '16 at 22:50
1
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How can I find out if I have Xcode commandline tools installed?
...LineTools
And to be sure then enter $ gcc --version
You can read more about the process here: Xcode command line tools for Mavericks
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DDD - the rule that Entities can't access Repositories directly
... Evans' Repository definition goes by the way side and you start talking about a bounded context. Each bounded context is essentially its own application. You might have a sophisticated approval system for getting things into the product catalog. In your original design the product was the center pi...
How do I reattach to a detached mosh session?
...nd cannot easily) solve is detecting that the client machine restarted without gracefully closing the mosh session.
– binki
Jan 12 '14 at 4:18
7
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How can I convert a long to int in Java?
... less than or equal to Integer.MAX_VALUE you can convert it by casting without losing any information.
For example, the following sample code:
System.out.println( "largest long is " + Long.MAX_VALUE );
System.out.println( "largest int is " + Integer.MAX_VALUE );
long x = (long)Integer.MAX_VALUE;
x+...