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What is the usefulness of PUT and DELETE HTTP request methods?

... origin server. If the Request-URI does not point to an existing resource, and that URI is capable of being defined as a new resource by the requesting user agent, the origin server can create the resource with that URI … For the full specification visit: http://www.w3.org/Protocols/rfc2616/rf...
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How do JavaScript closures work?

...nowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves? ...
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Difference between require, include, require_once and include_once?

... There are require and include_once as well. So your question should be... When should I use require vs. include? When should I use require_once vs. require The answer to 1 is described here. The require() function is identical to inc...
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Embedding ads on Android app?

I would like to make a free version of the Android app I have, but would like to embed ad on it. I am not sure where I should start? Is there a well known mobile ad company out there that is specialized in mobile advertising? ...
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Why do we need entity objects? [closed]

... think it comes down to how complicated the "logic" of the application is, and where you have implemented it. If all your logic is in stored procedures, and all your application does is call those procedures and display the results, then developing entity objects is indeed a waste of time. But for...
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Workflow for statistical analysis and report writing

...required. Typically this is a short file, reading in data from files, URLs and/or ODBC. Depending on the project at this point I'll either write out the workspace using save() or just keep things in memory for the next step. clean.R: This is where all the ugly stuff lives - taking care of missing v...
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What can MATLAB do that R cannot do? [closed]

...hey have much more in common than not. It partially depends on your field and use-case. And as Spencer Graves said previously, it also depends on which "church you happen to frequent". It's best if you look at the MATLAB toolkit vs. CRAN for a specific task before you decide. A similar questio...
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iPhone app signing: A valid signing identity matching this profile could not be found in your keycha

...r every invalid provisioning profile have a button "Renew". After renewing and downloading updated provisioning profile all seems to work as expected, so problem is definitely solved :) Update: you may have to contact Apple to get a "Renew"-button, or they removed it -- and the solution is to just ...
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How do you version your database schema? [closed]

... database structure changes? How do I version my MS SQL database in SVN? and Jeff's article Get Your Database Under Version Control I feel your pain, and I wish there were a better answer. This might be closer to what you were looking for. Mechanisms for tracking DB schema changes Generally, ...
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What are the most interesting equivalences arising from the Curry-Howard Isomorphism?

...pon the Curry-Howard Isomorphism relatively late in my programming life, and perhaps this contributes to my being utterly fascinated by it. It implies that for every programming concept there exists a precise analogue in formal logic, and vice versa. Here's a "basic" list of such analogies, off th...