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MongoDB vs. Cassandra [closed]

...you're looking at a single server, MongoDB is probably a better fit. For those more concerned about scaling, Cassandra's no-single-point-of-failure architecture will be easier to set up and more reliable. (MongoDB's global write lock tends to become more painful, too.) Cassandra also gives a lot mor...
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In Python, what happens when you import inside of a function? [duplicate]

What are the pros and cons of importing a Python module and/or function inside of a function, with respect to efficiency of speed and of memory? ...
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Xcode duplicate line

... If your xCode crashes! Close xCode, open file with any text editor and add your dictionary: <key>Custom</key> <dict> <key>Duplicate Current Line</key> <string>selectLine:, copy:, moveToEndOfLine:, insertNewli...
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Should I compile with /MD or /MT?

In Visual Studio, there's the compile flags /MD and /MT which let you choose which kind of C runtime library you want. 7 An...
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How do I measure time elapsed in Java? [duplicate]

... Unfortunately, none of the ten answers posted so far are quite right. If you are measuring elapsed time, and you want it to be correct, you must use System.nanoTime(). You cannot use System.currentTimeMillis(), unless you don't mind your result being wrong. The ...
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How can I plot with 2 different y-axes?

I would like superimpose two scatter plots in R so that each set of points has its own (different) y-axis (i.e., in positions 2 and 4 on the figure) but the points appear superimposed on the same figure. ...
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PHP & mySQL: Year 2038 Bug: What is it? How to solve it?

...one, so your application will have to know which timezone was used. Other Possible solutions described on Wikipedia Wait for MySQL devs to fix this bug reported over a decade ago. Are there any possible alternatives to using it, which do not pose a similar problem? Try wherever possible to use ...
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Android: How can I pass parameters to AsyncTask's onPreExecute()?

...} // doInBackground() et al. } – Steven Meliopoulos Jun 20 '10 at 21:48 1 Yup, that was prett...
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How to differ sessions in browser-tabs?

...ab has his own Id. Data stored using sessionStorage do not persist across browser tabs, even if two tabs both contain webpages from the same domain origin. In other words, data inside sessionStorage is confined to not just the domain and directory of the invoking page, but the browser tab...
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How many concurrent requests does a single Flask process receive?

...y running app.run(), you get a single synchronous process, which means at most 1 request is being processed at a time. By sticking Gunicorn in front of it in its default configuration and simply increasing the number of --workers, what you get is essentially a number of processes (managed by Gunico...