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Why does Python code run faster in a function?
...to PyPy, up to the current version (1.8 at the time of this writing.) The test code from the OP runs about four times slower in global scope compared to inside a function.
– GDorn
Jun 28 '12 at 17:17
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Difference between Hive internal tables and external tables?
...HDFS server.
As an example if you create an external table called “table_test” in HIVE using HIVE-QL and link the table to file “file”, then deleting “table_test” from HIVE will not delete “file” from HDFS.
External table files are accessible to anyone who has access to HDFS file st...
Can I use `pip` instead of `easy_install` for `python setup.py install` dependency resolution?
...ss the system. This is useful if you are the package developer and want to test changes. It also means you can't delete the folder without breaking the install.
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Stubbing a class method with Sinon.js
...nstance of 'Sensor' with none of the class's logic.
var sensor = sinon.createStubInstance(Sensor);
console.log(sensor.sample_pressure());
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Should I declare Jackson's ObjectMapper as a static field?
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I've faced strange behaviors during unit/integration tests of a large enterprise application. When putting ObjectMapper as static final class attribute I started facing PermGen issues. Would anyone care to explain probable causes? I was using jackson-databind version 2.4.1.
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How do I find if a string starts with another string in Ruby?
...re several methods presented here, I wanted to figure out which one was fastest. Using Ruby 1.9.3p362:
irb(main):001:0> require 'benchmark'
=> true
irb(main):002:0> Benchmark.realtime { 1.upto(10000000) { "foobar"[/\Afoo/] }}
=> 12.477248
irb(main):003:0> Benchmark.realtime { 1.upto(...
How to initialize log4j properly?
...l" projects you might want a quick-and-dirty solution, e.g. if you're just testing a new library.
If so a call to the static method
org.apache.log4j.BasicConfigurator.configure();
will setup basic logging to the console, and the error messages will be gone.
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onActivityResult() & onResume() [duplicate]
...at unexpected sequencing. It is also very easy to miss the problem during testing, because on a device with plenty of memory that is not running many apps, the activity that is calling startActivityForResult() (or its variants) may never get flushed from memory while waiting for the started activit...
How do I migrate a model out of one django app and into a new one?
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Not doing this might make tests fail too (they always seem to run full south migrations when creating their test database). I've done something similar before. Good catch Ihor :)
– odinho - Velmont
Oct 8 '14 at 1...
How can I trigger an onchange event manually? [duplicate]
...nnet: interesting. I'm working in Linux at the moment and can't switch to test for a solution, but I would suggest swapping the if and else blocks, and testing for if ('createEvent' in document) instead. Let me know if this works and I'll update the answer.
– Andy E
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