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Multiprocessing vs Threading Python [duplicate]

...t properly release the GIL will run in parallel Great option for I/O-bound applications Cons cPython - subject to the GIL Not interruptible/killable If not following a command queue/message pump model (using the Queue module), then manual use of synchronization primitives become a necessity (dec...
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Create request with POST, which response codes 200 or 201 and content

...2:40 GMT Location: http://stackoverflow.com/a/36373586/12597 Content-Type: application/xml <createdResources> <questionID>1860645</questionID> <answerID>36373586</answerID> <primary>/a/36373586/12597</primary> <additional> <resour...
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CORS - What is the motivation behind introducing preflight requests?

...ght requests have nothing to do with security, and they have no bearing on applications that are being developed now, with an awareness of CORS. Rather, the preflight mechanism benefits servers that were developed without an awareness of CORS, and it functions as a sanity check between the client an...
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What is Bootstrap?

...ated by Twitter) that you can use as a basis for creating web sites or web applications. More information and links to download Getting started Examples Themes Bootply - Bootstrap Editor and Builder Update The official bootstrap website is updated and includes a clear definition. "Bootstrap i...
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For-each over an array in JavaScript

... it handy). Unless you're supporting obsolete browsers like IE8 (which NetApps shows at just over 4% market share as of this writing in September 2016), you can happily use forEach in a general-purpose web page without a shim. If you do need to support obsolete browsers, shimming/polyfilling forEa...
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Optimistic vs. Pessimistic locking

...abort the transaction and the user can re-start it. This strategy is most applicable to high-volume systems and three-tier architectures where you do not necessarily maintain a connection to the database for your session. In this situation the client cannot actually maintain database locks as the ...
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What would be C++ limitations compared C language? [closed]

...u are working in. (In some cases this is possible with a few extern "C" wrapper functions, depending on how template/inline a C++ library is.) Taking the first C file in a project I'm working on, this is what happens if you just swap gcc std=c99 for g++: sandiego:$ g++ -g -O1 -pedantic -mfpmath=...
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WebSockets vs. Server-Sent events/EventSource

...ata to the browser and receive data from the browser. A good example of an application that could use websockets is a chat application. SSE connections can only push data to the browser. Online stock quotes, or twitters updating timeline or feed are good examples of an application that could benefi...
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Why is it common to put CSRF prevention tokens in cookies?

I'm trying to understand the whole issue with CSRF and appropriate ways to prevent it. (Resources I've read, understand, and agree with: OWASP CSRF Prevention CHeat Sheet , Questions about CSRF .) ...
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How to work around the lack of transactions in MongoDB?

...e can update the post collection and comments collection. So what are our approaches that we can take in MongoDB to overcome a lack of transactions? restructure - restructure the code, so that we're working within a single document and taking advantage of the atomic operations that we offer withi...