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Why is exception.printStackTrace() considered bad practice?

...you do not have System.err being reassigned throughout the duration of the application's lifetime, and if you do not require log rotation while the application is running, and if accepted/designed logging practice of the application is to write to System.err (and the JVM's standard error output stre...
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REST API - why use PUT DELETE POST GET?

...l access of data. When you see a request in REST, it should immediately be apparant what is happening with the data. For example: GET: /cars/make/chevrolet is likely going to return a list of chevy cars. A good REST api might even incorporate some output options in the querystring like ?output=j...
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What is the difference between Non-Repeatable Read and Phantom Read?

...solation level to be used? What isolation level you need depends on your application. There is a high cost to a "better" isolation level (such as reduced concurrency). In your example, you won't have a phantom read, because you select only from a single row (identified by primary key). You can ha...
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Why use Ruby instead of Smalltalk? [closed]

...to facilitate integration. Smalltalk never really gained a body of hybrid application support in the way that Python and Ruby have, so the concept of 'smalltalk as embedded scripting language' never caught on.As an aside, Java was not the easiest thing to interface with other code bases (JNI is fai...
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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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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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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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90后创业四年:曾经觉得不公 后来愿赌服输 - 资讯 - 清泛网 - 专注C/C++及内核技术

...术,用人工智能的方法让机器创作出曲子来。用户在听画App上传一张照片,我们能用人工智能技术为每张照片配上属于它的原创音乐。除了社交,我们更想把听画打造成草根音乐人的原创音乐创作社区。因为,我们的人工智能谱...
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MFC Grid control 2.27 - C/C++ - 清泛网 - 专注IT技能提升

...lipboard Sorting Virtual Mode Acknowledgements General appearance and features Files Construction Number of rows and columns Sizing and position functions Reordering rows and columns Cell Editing and Validation Structures, defines and Messages Colours ...