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Use of 'prototype' vs. 'this' in JavaScript?

...contains yoMan, and if it doesn't, it will consult that object's __proto__ etc. If it does, it will take that property value and display it to you. So someone decided to use this fact + the fact that when you create a1, its __proto__ property points to the same (empty) object A.prototype points to ...
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How to calculate moving average using NumPy?

... to a particular technical discipline (e.g., scikits-image, scikits-learn, etc.) Several of these were (in particular, the awesome OpenOpt for numerical optimization) were highly regarded, mature projects long before choosing to reside under the relatively new scikits rubric. The Scikits homepage li...
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Can you explain the HttpURLConnection connection process?

... like getInputStream, getOutputStream, getResponseCode, getResponseMessage etc. Here is the packet exchange captured when I try to write a small program to upload file to Dropbox. Below is my toy program and annotation /* Create a connection LOCAL object, * the openConnection() functi...
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AngularJS: Understanding design pattern

...hQuery = queryParams.substring || searchQuery; return searchResource.fetch(searchQuery, page, itemsPerPage).then( function (results) { totalPages = results.totalPages; currentPage = results.currentPage; allLoaded = totalPages <= currentPage; return results.list }...
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Microsecond timing in JavaScript

... above, until the numbers become ultra-stable (loading time, JIT compiler, etc). 4. NOTE: The stability of the number gives you your attainable precision on an idle system. You can calculate the variance, if you need to self-check the precision. The variances are bigger on some browsers, and smal...
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load and execute order of scripts

... task that the networking task source places on the task queue once the fetching algorithm has completed must set the element's "ready to be parser-executed" flag. The parser will handle executing the script. If the element has a src attribute, and the element has been flagged as "parser-...
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How to generate a random number in C++?

...ing symmetric keys, asymmetric private keys, salt values, security tokens, etc. However security-grade random numbers is a separate industry worth a separate article. In most cases Pseudo-Random Number Generator is sufficient - e.g. for scientific simulations or games. In some cases consistently def...
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How does having a dynamic variable affect performance?

... object again, and if the object is the same type as it was last time, it fetches the delegate out of the cache and invokes it. If the object is of a different type then the cache misses, and the whole process starts over again; we do semantic analysis of the call and store the result in the cache. ...
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Why is volatile not considered useful in multithreaded C or C++ programming?

...ake concurrent access to data safe (spinlocks, mutexes, memory barriers, etc.) are designed to prevent unwanted optimization. If they are being used properly, there will be no need to use volatile as well. If volatile is still necessary, there is almost certainly a bug in the code somewher...
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When to Redis? When to MongoDB? [closed]

...eds to be done on the application site (e.g. using a hash-function, Modulo etc.). Scaling MongoDB by comparison is much simpler. When to use MongoDB Prototyping, Startups, Hackathons MongoDB is perfectly suited for rapid prototyping. Nevertheless, performance isn't that good. Also keep in mind ...