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How does LMAX's disruptor pattern work?

...ueue.util.MutableLong; public class Sample { public static void main(String[] args) throws InterruptedException { final Queue<MutableLong> queue = new AtomicQueue<MutableLong>(1024, MutableLong.class); Thread consumer = new Thread() { @Override ...
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Get model's fields in Django

... and each element is a Model field type, which can't be used directly as a string. So, field.name will return the field name my_model_fields = [field.name for field in MyModel._meta.get_fields()] The above code will return a list conatining all fields name Example In [11]: from django.contrib.aut...
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Visual Studio debugging “quick watch” tool and lambda expressions

... don't get the full range of Linq Extension methods, e.g. there is no .Any(string predicate), you can put something like: .Where("Id>2").Any() in the Watch Window, or Pin to Source. It's great! – Protector one Aug 7 '17 at 11:17 ...
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Any reason why scala does not explicitly support dependent types?

...h Pi[Foo.type]{type U = Int} = $anon$1@60681a11 scala> implicit val barString = new Pi[Bar.type] { type U = String } barString: java.lang.Object with Pi[Bar.type]{type U = String} = $anon$1@187602ae And now here is our Pi-type-using function in action, scala> depList(Foo) res2: List[fooInt...
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How to copy text programmatically in my Android app?

...t() != null) && (endSelection > startSelection )) { String selectedText = txtNotes.getText().toString().substring(startSelection, endSelection); int sdk = android.os.Build.VERSION.SDK_INT; if(sdk < android.os.Build.VERSION_CODES.HONEYCOMB) { ...
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HTML Form: Select-Option vs Datalist-Option

...ween that and a select box: A <datalist> fed text box has a single string for both display label and submit. A select box can have a different submit value vs. display label <option value='ie'>Internet Explorer</option>. A <datalist> fed text box does not support the <o...
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How do I create a WPF Rounded Corner container?

...MEF charting component. For Each c As Lazy(Of ICharts, IDictionary(Of String, Object)) In ext.ChartDescriptions Dim brdr As New Border brdr.BorderBrush = Brushes.Black brdr.BorderThickness = New Thickness(2, 2, 2, 2) brdr.CornerRadius = New CornerRadius(8, 8, 8, ...
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In Ruby on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?

... and, if that symbol is recognized as a valid predefined format, returns a String with the appropriate formatting. Those symbols are defined by Time::DATE_FORMATS, which is a hash of symbols to either strings for the standard formatting function... or procs. Bwahaha. d = DateTime.now #Examples ...
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How to validate an email address in JavaScript

...3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/; return re.test(String(email).toLowerCase()); } Here's the example of regular expresion that accepts unicode: const re = /^(([^<>()\[\]\.,;:\s@\"]+(\.[^<>()\[\]\.,;:\s@\"]+)*)|(\".+\"))@(([^<>()[\]\.,;:\s@\"]+\.)+[^<&...
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How to determine equality for two JavaScript objects?

... If the object(s) can be converted to a JSON string, then it makes an equals() function simple. – scotts Nov 14 '12 at 18:28 3 ...