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Executing periodic actions in Python [duplicate]

... One thing to watch out for here is start time "drift". I just ran a test and my times drifted by +0.05s in about 33 iterations. I was running 1 second polls, and this means a drift of 20% in less than a minute. You can reduce drift by calling the threading.Timer at the start of the function r...
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What is the best method to merge two PHP objects?

...j1, (array) $obj2); This actually also works when objects have methods. (tested with PHP 5.3 and 5.6) share | improve this answer | follow | ...
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Is there a reason for C#'s reuse of the variable in a foreach?

...reaking change scenario though, which is that someone writes code in C# 5, tests it, and then shares it with people who are still using C# 4, who then naively believe it to be correct. Hopefully the number of people affected by such a scenario is small. – Eric Lippert ...
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What is the “main file” property when doing bower init?

... "CNAME", "composer.json", "CONTRIBUTING.md", "docs", "js/tests" ], "dependencies": { "jquery": ">= 1.9.0" } } When I build in Brunch, it pulls these files from my bower_components folder in my public folder. ...
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How do I add a ToolTip to a control?

... stay in memory or removed correctly? I would not even spend one minute in testing that. Use a member variabe instead - thats bullet proof! – Elmue Jul 11 '14 at 5:19 ...
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What is the fastest way to compare two sets in Java?

...n this set. But if all elements are present in both sets, it will need to test all of them. The worst case performance therefore occurs when the two sets are equal but not the same objects. That cost is typically O(N) or O(NlogN) depending on the implementation of this.containsAll(c). And you ge...
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How to round a number to n decimal places in Java

...ors EDIT: To address some comments below I redid the modulus part of the test loop using BigDecimal and new MathContext(16) for the modulus operation as follows: public static void main(String[] args) { int count = 0, errors = 0; int scale = 2; double factor = Math.pow(10, scale); ...
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List comprehension: Returning two (or more) items for each item

...(n) for y in (f(x), g(x))] But this is probably slower. @jamylak You could test this too if you want. – Hashmush Aug 8 '12 at 16:48  |  show 1...
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How to split a long regular expression into multiple lines in JavaScript?

..., {big ,smelly } } Note the successful capturing of the quoted string. I tested it on Chrome and Firefox, works a treat! If curious you can checkout what I was doing, and its demonstration. Though it only works on Chrome, because Firefox doesn't support backreferences or named groups. So note the...
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What is http multipart request?

.../balderdashy/skipper/blob/master/… If I get some time to put together a test case using PhantomJS/webkit, I'll add the link there as well. Browsers obey this part of the spec, even as far back as IE6. – mikermcneil Aug 3 '14 at 23:20 ...