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Peak signal detection in realtime timeseries data

...lter(i) to std(filteredY(i-lag),...,filteredY(i)); end Rules of thumb for selecting good parameters for your data can be found below. Demo The Matlab code for this demo can be found here. To use the demo, simply run it and create a time series yourself by clicking on the upper chart. The algorith...
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Reset/remove CSS styles for element only

...ion: unset; user-focus: unset; user-input: unset; user-modify: unset; user-select: unset; vector-effect: unset; vertical-align: unset; visibility: unset; white-space: unset; width: unset; will-change: unset; window-dragging: unset; word-break: unset; word-spacing: unset; word-wrap: unset; writing-mo...
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boost::flat_map and its performance compared to map and unordered_map

...tion for these cases, using partial template specializations, or SFINAE to select algorithms according to traits of T. About the flat map Apparently the flat map is a sorted vector wrapper, like Loki AssocVector, but with some supplementary modernizations coming with C++11, exploiting move semanti...
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PHP global in functions

... parameter. function getCustomer($db, $id) { $row = $db->fetchRow('SELECT * FROM customer WHERE id = '.$db->quote($id)); return $row; } share | improve this answer | ...
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How to limit setAccessible to only “legitimate” uses?

...his via source-code analysis tools; e.g. custom pmd or findbugs rules. Or selective code review of code identified by (say) grep setAccessible .... In response to the followup None of my classes have any semblance of enforceable privacy what-so-ever. The singleton pattern (putting doubts abou...
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Multi-gradient shapes

...Shape()); p.setShaderFactory(sf); Basically, the int array allows you to select multiple color stops, and the following float array defines where those stops are positioned (from 0 to 1). You can then, as stated, just use this as a standard Drawable. Edit: Here's how you could use this in your sc...
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What is the advantage to using bloom filters?

...riefly tell the basics. you initiate an empty bit array of length m you select k different hash functions (the more independent the better) if you want to add element, you calculate all the k hashes of this value and set the corresponding bits to 1 if you want to check if element exist, you also ...
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Why would I use Scala/Lift over Java/Spring? [closed]

...scaling, which prevented Lift from being a solution in my case. I ended up selecting http://www.playframework.org/ and have been very pleased. Play has been stable and reliable so far and very easy to work with. share ...
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Understanding REST: Verbs, error codes, and authentication

...w Session ID, or leave any residue on the server. The GET verb is like the SELECT statement in a database engine. Remember that the response to any request with the GET verb should be cache-able when requested with the same parameters, just like when you request a static web page. Point 3: How to...
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What techniques can be used to speed up C++ compilation times?

...rated binary sizes. Changing visibility options In newer compilers you can select your symbols to be either visible or invisible in the Dynamic Shared Objects (DSOs). Ideally, changing the visibility can improve compiler performance, link time optimizations (LTOs), and generated binary sizes. If yo...