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Fixed size queue which automatically dequeues old values upon new enques

...T> : IReadOnlyCollection<T> { private readonly Queue<T> _queue = new Queue<T>(); private readonly object _lock = new object(); public int Count { get { lock (_lock) { return _queue.Count; } } } public int Limit { get; } public FixedSizedQueue(int limit) ...
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Submitting a multidimensional array via POST with php

... On submitting, you would get an array as if created like this: $_POST['topdiameter'] = array( 'first value', 'second value' ); $_POST['bottomdiameter'] = array( 'first value', 'second value' ); However, I would suggest changing your form names to this format instead: name="diameters[0]...
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PDO Prepared Inserts multiple rows in single query

... $pdo->beginTransaction(); // also helps speed up your inserts. $insert_values = array(); foreach($data as $d){ $question_marks[] = '(' . placeholders('?', sizeof($d)) . ')'; $insert_values = array_merge($insert_values, array_values($d)); } $sql = "INSERT INTO table (" . implode(",", $...
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How do I pass a method as a parameter in Python

...thodToRun() return result obj.method2(obj.method1) Note: I believe a __call__() method does exist, i.e. you could technically do methodToRun.__call__(), but you probably should never do so explicitly. __call__() is meant to be implemented, not to be invoked from your own code. If you wanted me...
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What is the worst gotcha in C# or .NET? [closed]

...efixes for your private fields (there are others, but this is a good one): _myVar, m_myVar – jrista Jun 26 '09 at 8:01 205 ...
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Getting key with maximum value in dictionary?

... @oba2311 max_value = max(stats.values()); {key for key, value in stats.items() if value == max_value} – A. Coady Apr 4 '17 at 0:37 ...
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Split data frame string column into multiple columns

... Use stringr::str_split_fixed library(stringr) str_split_fixed(before$type, "_and_", 2) share | improve this answer | ...
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Checking a Python module version at runtime

...rmation for the module (usually something like module.VERSION or module.__version__ ), however some do not. 7 Answers ...
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How does Trello access the user's clipboard?

...urn if document.selection?.createRange().text return _.defer => $clipboardContainer = $("#clipboard-container") $clipboardContainer.empty().show() $("<textarea id='clipboard'></textarea>") .val(@value) .appendTo($clipboardC...
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How to spread django unit tests over multiple files?

...er valid from Django 1.6, see this post. You can create tests folder with ___init___.py inside (so that it becomes a package). Then you add your split test .py files there and import all of them in ___init___.py. I.e: Substitute the test.py file with a module that looks and acts like the file: Cr...