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Concurrent HashSet in .NET Framework?

...byte (1 byte in memory). private ConcurrentDictionary<string, byte> _data; This is the recommended option because the type is thread-safe and provide you the same advantages than a HashSet<T> except key and value are different objects. Source: Social MSDN ConcurrentBag If you don't...
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Is there an easy way to request a URL in python and NOT follow redirects?

...st way to do it would be to subclass HTTPRedirectHandler and then use build_opener to override the default HTTPRedirectHandler, but this seems like a lot of (relatively complicated) work to do what seems like it should be pretty simple. ...
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Call static method with reflection

... I prefer simplicity... private void _InvokeNamespaceClassesStaticMethod(string namespaceName, string methodName, params object[] parameters) { foreach(var _a in AppDomain.CurrentDomain.GetAssemblies()) { foreach(var _t in _a.GetTypes()) { ...
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How to get current PHP page name [duplicate]

... You can use basename() and $_SERVER['PHP_SELF'] to get current page file name echo basename($_SERVER['PHP_SELF']); /* Returns The Current PHP File Name */ share | ...
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Hash Map in Python

...anged easily. Rehashing is out of scope of this code. class Node: def __init__(self, key, value): self.key = key self.value = value self.next = None class HashMap: def __init__(self): self.store = [None for _ in range(16)] def get(self, key): ind...
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String concatenation: concat() vs “+” operator

...ial #3; //Method java/lang/StringBuilder."<init>":()V 7: aload_1 8: invokevirtual #4; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder; 11: aload_2 12: invokevirtual #4; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljav...
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How to get multiple selected values of select box in php?

... If you want PHP to treat $_GET['select2'] as an array of options just add square brackets to the name of the select element like this: <select name="select2[]" multiple … Then you can acces the array in your PHP script <?php header("Content-...
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Proper way to return JSON using node or Express

...ing to send a json file you can use streams var usersFilePath = path.join(__dirname, 'users.min.json'); apiRouter.get('/users', function(req, res){ var readable = fs.createReadStream(usersFilePath); readable.pipe(res); }); ...
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Bring element to front using CSS

...ects. For example <div class="container"> <div class="branch_1"> <div class="branch_1__child"></div> </div> <div class="branch_2"> <div class="branch_2__child"></div> </div> </div> If you gave branch_1__c...
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In-memory size of a Python structure

...g/measure-real-size-any-python-object/ The punchline: import sys def get_size(obj, seen=None): """Recursively finds size of objects""" size = sys.getsizeof(obj) if seen is None: seen = set() obj_id = id(obj) if obj_id in seen: return 0 # Important mark as s...