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printf with std::string?
My understanding is that string is a member of the std namespace, so why does the following occur?
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Setting environment variables via launchd.conf no longer works in OS X Yosemite/El Capitan/macOS Sie
It looks like the launchd.conf does not load my environment variable anymore.
Has anyone else noticed that?
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How to determine whether a substring is in a different string
I have a sub-string:
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How can I get the external SD card path for Android 4.0+?
Samsung Galaxy S3 has an external SD card slot, which is mounted to /mnt/extSdCard .
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Use of “instanceof” in Java [duplicate]
I learned that Java has the instanceof operator. Can you elaborate where it is used and what are its advantages?
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How do I get elapsed time in milliseconds in Ruby?
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How to get elements with multiple classes
Say I have this:
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Why Choose Struct Over Class?
Playing around with Swift, coming from a Java background, why would you want to choose a Struct instead of a Class? Seems like they are the same thing, with a Struct offering less functionality. Why choose it then?
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Flattening a shallow list in Python [duplicate]
Is there a simple way to flatten a list of iterables with a list comprehension, or failing that, what would you all consider to be the best way to flatten a shallow list like this, balancing performance and readability?
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How to run crontab job every week on Sunday
I'm trying to figure out how to run a crontab job every week on Sunday. I think the following should work, but I'm not sure if I understand correctly. Is the following correct?
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