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Logging levels - Logback - rule-of-thumb to assign log levels

.... from logback documentation: In a more graphic way, here is how the selection rule works. In the following table, the vertical header shows the level of the logging request, designated by p, while the horizontal header shows effective level of the logger, designated by q. The intersection of ...
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How to get function parameter names/values dynamically?

...pt length. For example, it does not have the pop method. However it can be converted to a real Array: var args = Array.prototype.slice.call(arguments); If Array generics are available, one can use the following instead: var args = Array.slice(arguments); ...
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Why not use java.util.logging?

...o I would think that a massive library written in 2002 with log4j could be converted to JUL in a matter of minutes with an automated tool. (I don't know if one exist, though). So why doesn't it happen? – peterh Jul 6 '12 at 9:49 ...
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Does JavaScript have “Short-circuit” evaluation?

...or in expr1 && expr2 is executed followingly: If expr1 can be converted to true, returns expr2; else, returns expr1. So this means, in our practical example, the const res is evaluated the following way: Invoking expr1 - sanitise(0xFF) 0xFF is a valid hexadecimal number for 250, oth...
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How can I get query string values in JavaScript?

.../This doesn't output anything, it just updates the $.QueryString object //Convert object into string suitable for url a querystring (Requires jQuery) $.param($.QueryString) //This outputs something like... //"param=newvalue&param2=val" //Update the url/querystring in the browser's location bar...
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Why does Date.parse give incorrect results?

...ay be an abbreviation and may be different in different implementations. Converts from UTC to Local time before printing - toString - toDateString - toTimeString - toLocaleString - toLocaleDateString - toLocaleTimeString Prints the stored UTC time directly - toUTCString - toISOString ...
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Why should casting be avoided? [closed]

...ion's pretty simple (at least IMO): a cast (obviously enough) means you're converting something from one type to another. When/if you do that, it raises the question "Why?" If you really want something to be a particular type, why didn't you define it to be that type to start with? That's not to say...
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What are good examples of genetic algorithms/genetic programming solutions? [closed]

...by just mixing bits from two parents), with the likelihood of a gene being selected as a parent being proportional to the profit it produced. I also added the possibility of point mutations to spice things up a bit. After a few hundred generations of this, I ended up with a population of genes tha...
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Checking images for similarity with OpenCV

...ive error between images. double errorL2 = norm( A, B, CV_L2 ); // Convert to a reasonable scale, since L2 error is summed across all pixels of the image. double similarity = errorL2 / (double)( A.rows * A.cols ); return similarity; } else { //Images have a different size ret...
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What's the difference between using CGFloat and float?

...memory, which can result in using more memory overall. so its def worth to convert everything up to 64-bits. (unless you want to support 5.1+ or 6.0+ still) – phil88530 Dec 30 '13 at 14:26 ...