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Python: changing value in a tuple
...memory consumption of tuple (60-bytes for one-element) vs list (104 bytes) and make a difference. Another use case is for namedtuples since namedlist doesn't natively exist.
– Michael Scott Cuthbert
Aug 2 '15 at 17:46
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How to convert a SVG to a PNG with ImageMagick?
... ImageMagick in this instance, but Inkscape does a nice job of it on Linux and Windows:
inkscape -z -w 1024 -h 1024 input.svg -e output.png
Edit (May 2020): Inkscape 1.0 users, please note that the command line arguments have changed:
inkscape -w 1024 -h 1024 input.svg --export-filename output.png
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Java; String replace (using regular expressions)?
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Couple problems: \^ needs to be \\^ and $ needs to be \$.
– cdmckay
Mar 10 '09 at 21:00
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How to migrate back from initial migration in Django 1.7?
I created a new app with some models and now I noticed that some of the models are poorly thought out. As I haven't committed the code the sensible thing would be to migrate the database to last good state and redo the migration with better models. In this case the last good state is database where ...
Check if a value is in an array (C#)
... @0A0D. This answer is I think straight best one as simplest/shortest and well known way to achieve same thing (How do I check if a value is in an array in C#?) and efficient as well. No loop no extra method. Just a namespace is extra which is not a big thing.
– Sami
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Friend declaration in C++ - difference between public and private
... there's no difference - you just tell that class B is a friend of class A and now can access its private and protected members, that's all.
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Why is no one using make for Java?
...Java project that I've seen either uses Maven or Ant. They are fine tools and I think just about any project can use them. But what ever happened to make ? It's used for a variety of non-Java projects and can easily handle Java. Sure you have to download make.exe if you use Windows, but Ant and...
Why does Decimal.Divide(int, int) work, but not (int / int)?
...ger division, so the result is truncated (the decimal part is chopped off) and an integer is returned.
In the second case, the ints are converted to decimals first, and the result is a decimal. Hence they are not truncated and you get the correct result.
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Center a column using Twitter Bootstrap 3
...ach uses Bootstrap's own offset classes so it requires no change in markup and no extra CSS. The key is to set an offset equal to half of the remaining size of the row. So for example, a column of size 2 would be centered by adding an offset of 5, that's (12-2)/2.
In markup this would look like:
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Scalar vs. primitive data type - are they the same thing?
...ticles I have read, there are sometimes references to primitive data types and sometimes there are references to scalars.
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