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Concatenating two lists - difference between '+=' and extend()

I've seen there are actually two (maybe more) ways to concatenate lists in Python: One way is to use the extend() method: 9...
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How to get default gateway in Mac OSX

...sult thus looks like this: 192.168.195.1 In this case, netstat displays all result, grep only selects the line with 'default' in it, and awk further matches the pattern to display the second column in the text. You can similarly use route -n get default command to get the required result. The fu...
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How do I convert a Ruby class name to a underscore-delimited symbol?

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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InputStream from a URL

... Calling this method in UI thread in Android will raise an exception. Do it in a background thread. Use Bolts-Android – Behrouz.M Mar 6 '19 at 10:16 ...
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Getting LaTeX into R Plots

... Christopher DuBoisChristopher DuBois 36.7k2323 gold badges6565 silver badges9191 bronze badges ...
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Python module for converting PDF to text [closed]

... updated again in version 20100213 You can check the version you have installed with the following: >>> import pdfminer >>> pdfminer.__version__ '20100213' Here's the updated version (with comments on what I changed/added): def pdf_to_csv(filename): from cStringIO import S...
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Traverse a list in reverse order in Python

... are reversed on the fly while traversing! This is an important feature of all these iteration functions (which all end on “ed”). – Konrad Rudolph Feb 9 '09 at 19:10 9 ...
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How do I use raw_input in Python 3

... There was originally a function input() which acted something like the current eval(input()). It was a leftover from when Python was less security conscious. The change simplified the language. See also "import this" for a deeper explanat...
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Why so red? IntelliJ seems to think every declaration/method cannot be found/resolved

I just installed and re-installed IntelliJ. Every Java file is coming up RED. I checked the JDK; it is at 1.6.##. The maven clean install build worked just fine. ...
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range over interface{} which stores a slice

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...