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Is this a “good enough” random algorithm; why isn't it used if it's faster?

I made a class called QuickRandom , and its job is to produce random numbers quickly. It's really simple: just take the old value, multiply by a double , and take the decimal part. ...
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Best way to store password in database [closed]

...d thing you are thinking about this and it is a good question, this is actually a duplicate of these questions (at least): How to best store user information and user login and password Best practices for storing database passwords Salting Your Password: Best Practices? Is it ever ok to store pass...
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Simple calculations for working with lat/lon and km distance?

...long coordinates are expressed in degrees, while the cos function in most (all?) languages typically accepts radians, therefore a degree to radians conversion is needed. share | improve this answer ...
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Java or Python for Natural Language Processing [closed]

...s you're heading a project. Other than NLTK (www.nltk.org), there are actually other libraries for text processing in python: TextBlob: http://textblob.readthedocs.org/en/dev/ Gensim: http://radimrehurek.com/gensim/ Pattern: http://www.clips.ua.ac.be/pattern Spacy:: http://spacy.io Orange: http:/...
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How to automatically reload a page after a given period of inactivity

... Hero! This is perfect thanks. I have my PHP sessions set to expire after an hour, and this is set to refresh a little over an hour. I think this should accomplish the logout after inactivity functionality i'm after. – Tspesh ...
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How do you version your database schema? [closed]

How do you prepare your SQL deltas? do you manually save each schema-changing SQL to a delta folder, or do you have some kind of an automated diffing process? ...
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Change text from “Submit” on input tag

...Bnt" type="submit" value="like"/> name is useful when using $_POST in php and also in javascript as document.getElementByName('submitBnt'). Also you can use name as a CS selector like input[name="submitBnt"]; Hope this helps ...
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MySQL Server has gone away when importing large sql file

I tried to import a large sql file through phpMyAdmin...But it kept showing error 19 Answers ...
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Best practice for embedding arbitrary JSON in the DOM?

... place to put it ? head or body, top or bottom ? – challet Mar 20 '17 at 15:32 1 Unfortunately, i...
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Asynchronously load images with jQuery

...d a REST image service. If you have your own webservice, you can add a JSP/PHP REST script that offers images in Base64 encoding. Now how is that useful? I came across a cool new syntax for image encoding: <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhE..."/> So you can load the Image...