perreal

perreal has asked 10 questions and find answers to 463 problems.

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perreal questions

Detect execution flow divergence
Is it good practice to "return warn" in Perl?
Variable renaming for plagiarism detection for C/C++
Why does grep match all lines for the pattern "\'"
Casting shared_ptr<T> to shared_ptr<void>
What does C standard say about a union of two identical types
How to recover after deleting the symbolic link libc.so.6?
C++11 lambda capture by value captures at declaration point

perreal answers

Check multiple var if exists in array with grep
Python: Passing and updating default parameters idoms
Remove one level of file extension from filename in shell script
Add missing ServerName to httpd.conf file using sed
Modify Line in File Matching WORD1 and NOT WORD2 (Sed/Awk)
Purpose of using parentheses in macros
Two processes sharing the same heap
Validating the value of several variables
How to print comments in a given program?
awk command to merge the content of the same file