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Javascript when to use prototypes

...isation. A great example of using them well is the jQuery library. Every time you obtain a jQuery object by using $('.someClass'), that object has dozens of "methods". The library could achieve that by returning an object: return { show: function() { ... }, hide: function() { ... }, css:...
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Neo4j - Cypher vs Gremlin query language

... implementing our algorithm directly against the Java API would be 100-200 times faster. We did so and got easily factor 60 out of it. As of now we have no single Cypher query in our system due to lack of confidence. Easy Cypher queries are easy to write in Java, complex queries won't perform. The p...
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Select random row from a sqlite table

...t noon so it shows the same book all day even if the query is run multiple times. Yes I know caching is more efficient for this use case just an example. – danielson317 Apr 22 at 17:18 ...
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Failed loading english.pickle with nltk.data.load

...ltk. If you want to download everything i.e chunkers, grammars, misc, sentiment, taggers, corpora, help, models, stemmers, tokenizers, do not pass any arguments like this. nltk.download() See this for more insights. https://www.nltk.org/data.html ...
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RVM is not a function, selecting rubies with 'rvm use …' will not work

... @AdityaPednekar So, sometimes reading the error/console message actually helps, RVM is not a function, selecting rubies with 'rvm use ...' will not work. You need to change your terminal emulator preferences to allow login shell. Sometimes it is ...
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How do I duplicate a whole line in Emacs?

...uffer-undo-list t) (count arg)) ;; insert the line arg times (while (> count 0) (newline) ;; because there is no newline in 'line' (insert line) (setq count (1- count))) ) ;; create the undo information (setq b...
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Color text in terminal applications in UNIX [duplicate]

...he first text editors for UNIX, such as vi. My only goal is to have a good time, but I want to be able to show text in color, so I can have syntax highlighting for editing source code. ...
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Is it pythonic to import inside functions?

...e performance argument can go the other way too. Importing a module can be time-consuming. On distributed file systems like those on supercomputers, importing a big module like numpy can take several seconds. If a module is only needed for a single, rarely used function, then importing in the functi...
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How can I mix LaTeX in with Markdown? [closed]

...p up your own LaTeX styles, and have it directly convert. I use it all the time, and I like it a lot. I wish the markdown would just incorporate multimarkdown. it would be rather nice. Edit: Multimarkdown will produce html, latex, and a few other formats. html can come with a style sheet of your...
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What is an EJB, and what does it do?

... reach server "meltdown" - where ALL requests experience terrible response time simultaneously, plus the server tries to access more resources than the hardware & OS can handle & hence crashes. EJBs can be deployed on separate tier that can be clustered - this gives reliability via failo...