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Is it better in C++ to pass by value or pass by constant reference?
...l types, except for builtin types (char, int, double, etc.), for iterators and for function objects (lambdas, classes deriving from std::*_function).
This was especially true before the existence of move semantics. The reason is simple: if you passed by value, a copy of the object had to be made an...
How to unpack and pack pkg file?
...file server must replace one file in pkg.
I have a solution how unpack pkg and replace a file but I dont know how pack again to pkg.
http://emresaglam.com/blog/1035
http://ilostmynotes.blogspot.com/2012/06/mac-os-x-pkg-bom-files-package.html
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Parcelable encountered IOException writing serializable object getactivity()
...t.DSLL$DNode
Your DSLL class appears to have a DNode static inner class, and DNode is not Serializable.
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C/C++ include header file order
...ed without prerequisites (terminus technicus: header is "self-contained"). And the rest just seems to flow logically from there.
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How to resolve symbolic links in a shell script
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According to the standards, pwd -P should return the path with symlinks resolved.
C function char *getcwd(char *buf, size_t size) from unistd.h should have the same behaviour.
getcwd
pwd
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Hidden Features of C#? [closed]
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lambdas and type inference are underrated. Lambdas can have multiple statements and they double as a compatible delegate object automatically (just make sure the signature match) as in:
Console.CancelKeyPress +=
(sender, e) =>...
Why compile Python code?
...d you compile a Python script? You can run them directly from the .py file and it works fine, so is there a performance advantage or something?
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Boolean method naming readability
Simple question, from a readability standpoint, which method name do you prefer for a boolean method:
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How to set ViewBag properties for all Views without using a base class for Controllers?
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Un-tried by me, but you might look at registering your views and then setting the view data during the activation process.
Because views are registered on-the-fly, the registration syntax doesn't help you with connecting to the Activated event, so you'd need to set it up in a Module:
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Most efficient way to store thousand telephone numbers
...digits left. We view these remaining five digits as 17-bit binary integers and store k of those bits using one method and 17 - k = m with a different method, determining k at the end to minimize the required space.
We first sort the phone numbers (all reduced to 5 decimal digits). Then we count how...