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For every character in string

...loop (it's from C++11, already supported in recent releases of GCC, clang, and the VC11 beta): std::string str = ???; for(char& c : str) { do_things_with(c); } Looping through the characters of a std::string with iterators: std::string str = ???; for(std::string::iterator it = str.begin()...
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How do I convert an object to an array?

...your properties are declared private you should call this inside the class and return its results. Be careful, for primitive data types like strings it will work great, but I don't know how it behaves with nested objects. in your case you have to do something like; <?php print_r(get_objec...
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Is a GUID unique 100% of the time?

... Wikipedia. These are some good articles on how a GUID is made (for .NET) and how you could get the same guid in the right situation. https://ericlippert.com/2012/04/24/guid-guide-part-one/ https://ericlippert.com/2012/04/30/guid-guide-part-two/ https://ericlippert.com/2012/05/07/guid-guide-part-th...
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List of Java processes

How can I list all Java processes in bash? I need an command line. I know there is command ps but I don't know what parameters I need to use. ...
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find first sequence item that matches a criterion [duplicate]

What would be the most elegant and efficient way of finding/returning the first list item that matches a certain criterion? ...
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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?

...ll TTY devices but you might want to exclude those pesky virtual terminals and pseudo terminals. I suggest you examine only those which have a device/driver entry: # ll /sys/class/tty/*/device/driver lrwxrwxrwx 1 root root 0 2012-03-28 19:07 /sys/class/tty/ttyS0/device/driver -> ../../../bus/pnp...
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What does .SD stand for in data.table in R

...ks useful but I do not really know what I am doing with it. What does it stand for? Why is there a preceding period (full stop). What is happening when I use it? ...
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Is module __file__ attribute absolute or relative?

I'm having trouble understanding __file__ . From what I understand, __file__ returns the absolute path from which the module was loaded. ...
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Get current directory name (without full path) in a Bash script

...rking directory name in a bash script, or even better, just a terminal command. 20 Answers ...
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When to use IComparable Vs. IComparer

...rer<T> is useful for sorting collections as the IComparer<T> stands outside of the comparison. share | improve this answer | follow | ...