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What kind of virtual machine is BEAM (the Erlang VM)?
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The Erlang VM runs as one OS process. By default it runs one OS thread per core to achieve maximum utilisation of the machine. The number of threads and on which cores they run can be set when the VM is started.
Erlang processes are implemented e...
Get path of executable
...l haven't seen a satisfactory answer, or a definitive "no, this cannot be done", so I'll ask again!
23 Answers
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How to effectively work with multiple files in Vim
...p to any tab by using ngt, where n is the index of the tab (beginning with one). I think there's an option that displays the index of each tab near the file name, but I don't know what it is. If anyone knows, I'd love to hear it.
– void-pointer
Jan 13 '12 at 2:...
Clear the entire history stack and start a new activity on Android
...d not do that. :)
Edit:
As per @Ben Pearson's comment, for API <=10 now one can use IntentCompat class for the same. One can use IntentCompat.FLAG_ACTIVITY_CLEAR_TASK flag to clear task. So you can support pre API level 11 as well.
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Utils to read resource text file to String (Java) [closed]
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You can use the old Stupid Scanner trick oneliner to do that without any additional dependency like guava:
String text = new Scanner(AppropriateClass.class.getResourceAsStream("foo.txt"), "UTF-8").useDelimiter("\\A").next();
Guys, don't use 3rd party stuff unless...
How to create a fixed-size array of objects
...zed, because assumptions about the content of uninitialized references are one of the ways that programs in C (and some other languages) can become buggy. So, you need to explicitly ask for an [SKSpriteNode?] array that contains 64 nils:
var sprites = [SKSpriteNode?](repeating: nil, count: 64)
Th...
How to comment lines in rails html.erb files? [duplicate]
... +1 For solving my issue, but I've found it very ugly. To comment one line I must use 3 additional characters, and the block comment is nothing but code that will be not executed - no other color coding that makes it very unpractical to see which code is not executed on first look.
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Types in MySQL: BigInt(20) vs Int(20)
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As far as I know, there is only one small difference is when you are trying to insert value which is out of range.
In examples I'll use 401421228216, which is 101110101110110100100011101100010111000 (length 39 characters)
If you have INT(20) for syst...
phpunit mock method multiple calls with different arguments
...in the arguments passed to with will fail because both will match but only one will verify as having the expected behavior. See the reproduction case after the actual working example.
For you problem you need to use ->at() or ->will($this->returnCallback( as outlined in another question ...
Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
...ing on the size of your project, you may also want the message passing component separate from your database, so that if one component experiences heavy load, it need not hinder the other's operation.
As for the problems you mentioned:
polling keeping the database buzy and low performing: Using R...