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How do I check if a property exists on a dynamic anonymous type in c#?

... IsPropertyExist(dynamic settings, string name) { if (settings is ExpandoObject) return ((IDictionary<string, object>)settings).ContainsKey(name); return settings.GetType().GetProperty(name) != null; } var settings = new {Filename = @"c:\temp\q.txt"}; Console.WriteLine(...
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How to check if multiple array keys exists

...x the only issue is that if $keys contains one element that is not in $arr and another that is in it, !array_diff_key returns empty => false (3v4l example)... – CPHPython Aug 17 '18 at 10:10 ...
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Deny access to one specific folder in .htaccess

... Create site/includes/.htaccess file and add this line: Deny from all share | improve this answer | follow | ...
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Calling a class function inside of __init__

I'm writing some code that takes a filename, opens the file, and parses out some data. I'd like to do this in a class. The following code works: ...
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Saving image from PHP URL

... edited Dec 3 '10 at 0:19 Andrew 185k180180 gold badges481481 silver badges665665 bronze badges answered Apr 7 '09 at 7:15 ...
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How to create duplicate allowed attributes

... AttributeUsage attribute onto your Attribute class (yep, that's mouthful) and set AllowMultiple to true: [AttributeUsage(AttributeTargets.Method, AllowMultiple = true)] public sealed class MyCustomAttribute: Attribute sha...
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Fixed size queue which automatically dequeues old values upon new enques

... I would write a wrapper class that on Enqueue would check the Count and then Dequeue when the count exceeds the limit. public class FixedSizedQueue<T> { ConcurrentQueue<T> q = new ConcurrentQueue<T>(); private object lockObject = new object(); public int ...
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Stop/Close webcam which is opened by navigator.getUserMedia

...er will have to access the tracks that make up the stream (audio or video) and stop each of them individually. More info here: https://developers.google.com/web/updates/2015/07/mediastream-deprecations?hl=en#stop-ended-and-active Example (from the link above): stream.getTracks().forEach(funct...
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sass --watch with automatic minify?

... All of the output styles are listed here (nested, expanded, compact, and compressed) – allicarn Aug 20 '13 at 14:59 ...
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Textarea that can do syntax highlighting on the fly?

...xtarea. If you're OK with that, try CodeMirror or Ace (formerly skywriter and bespin), or Monaco (used in MS VSCode). From the duplicate thread - an obligatory wikipedia link: http://en.wikipedia.org/wiki/Comparison_of_JavaScript-based_source_code_editors ...