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Optimise PostgreSQL for fast testing

...memory limit if you increase shared_buffers on PostgreSQL 9.2 and below; 9.3 and above changed how they use shared memory to avoid that. If you're using a just a couple of connections that do lots of work, increase work_mem to give them more RAM to play with for sorts etc. Beware that too high a wo...
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C/C++ Struct vs Class

... Antal Spector-ZabuskyAntal Spector-Zabusky 34.2k66 gold badges7171 silver badges134134 bronze badges ...
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Pretty git branch graphs

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What is the difference between trie and radix trie data structures?

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How to create an object for a Django model with a many to many field?

... answered Aug 9 '11 at 12:43 Daniel HepperDaniel Hepper 24.4k77 gold badges5555 silver badges6666 bronze badges ...
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala

...extInt()).par scala> timeMany(1000, intParList.reduce(_ + _)) Took 462.395867 milli seconds scala> timeMany(1000, intParList.foldLeft(0)(_ + _)) Took 2589.363031 milli seconds reduce vs fold Now this is where it gets a little closer to the FP / mathematical roots, and a little trickier to...
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Multi-gradient shapes

... 383 I don't think you can do this in XML (at least not in Android), but I've found a good solution...
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Expand Python Search Path to Other Source

... | edited Aug 28 '19 at 13:41 Oleg Kokorin 95822 gold badges99 silver badges2121 bronze badges answered...
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Using smart pointers for class members

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Can you explain the HttpURLConnection connection process?

... connection. This is data that you are sending // to the server // 3. No. Sending the data is conducted here. We established the // connection with getOutputStream writer.write("message=" + message); // Closes this output stream and releases any system resources // associate...