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Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?

... NOTE: PyPy is more mature and better supported now than it was in 2013, when this question was asked. Avoid drawing conclusions from out-of-date information. PyPy, as others have been quick to mention, has tenuous support for C extensions. It has support, but typical...
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How do I force git to use LF instead of CR+LF under windows?

... By now the .gitattributes lines should read: *.txt text eol=lf as per git-scm.com/docs/gitattributes – grandchild Jan 9 at 16:41 ...
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Error in finding last used cell in Excel with VBA

... It is highly unreliable. Try this experiment. Type something in cell A5. Now when you calculate the last row with any of the methods given below, it will give you 5. Now color the cell A10 red. If you now use the any of the below code, you will still get 5. If you use Usedrange.Rows.Count what do ...
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Getting the first and last day of a month, using a given DateTime object

... I know I'm being picky here, but shouldn't lastDayofMonth be firstDayOfMonth.AddMonths(1).AddSeconds(-1);? – Karl Gjertsen Jan 5 '16 at 15:27 ...
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CSS 100% height with padding/margin

...ly work under IE6. Adding Dean Edwards' IE9.js to the page made this work. Now I just have to hope and pray that the relative/absolute positioning doesn't screw with something in a child element... – Christopher Parker May 19 '10 at 18:34 ...
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Differences between Oracle JDK and OpenJDK

...arting with JDK 11 accessing the long time support Oracle JDK/Java SE will now require a commercial license. You should now pay attention to which JDK you're installing as Oracle JDK without subscription could stop working. source Ref: List of Java virtual machines ...
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Get property value from string using reflection

...null value of an existing property or no property at all? I'd much rather know immediately that I was sending in a bad property name. This is not production code, but a better improvement would be to throw a more specific exception (e.g. check for null on GetProperty and throw PropertyNotFoundExcept...
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Clang vs GCC for my Linux Development project

...cc (ah competition). They created a wiki page to showcase it here. gcc 4.8 now has quite good diagnostics as well (gcc 4.9x added color support). Clang is still in the lead, but the gap is closing. Original: For students, I would unconditionally recommend Clang. The performance in terms of gene...
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Node: log in a file instead of the console

...This was written around Node v0.2 and v0.4; There are much better utilites now around logging. I highly recommend Winston Update Late 2013 - We still use winston, but now with a logger library to wrap the functionality around logging of custom objects and formatting. Here is a sample of our logger....
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Is std::vector so much slower than plain arrays?

...d::vector<Pixel> pixels(dimensions * dimensions, Pixel(255,0,0)); Now doing the same timing again: g++ -O3 Time.cpp -I <MyBoost> ./a.out UseVector completed in 2.216 seconds The vector now performance only slightly worse than the array. IMO this difference is insignificant...