Jonathan Leffler

United States

None

Age: 51

Long-time Informix user and developer, experienced in C and Unix (many variants). Email: jonathan.leffler@gmail.com

top accounts reputation activity favorites subscriptions

Do you use the TR 24731 'safe' functions?

c security coding-style tr24731 asked Dec 16 '08 at 22:21

stackoverflow.com

21 votes

Password hashing, salt and storage of hashed values

security encryption hash salt sha-3 asked Jul 27 '09 at 23:01

stackoverflow.com

20 votes

Should we be able to mark Suggested Edits as 'Pass' so we don't see the edit again?

feature-request suggested-edits asked Apr 16 at 5:34

meta.stackoverflow.com

14 votes

What is the recommended toolchain for formatting XML DocBook?

xml apache pdf fop docbook asked Sep 23 '08 at 18:17

stackoverflow.com

14 votes

Does the 'o' modifier for Perl regular expressions still provide any benefit?

regex perl asked Feb 15 '09 at 3:30

stackoverflow.com

13 votes

Any statistics on how often a 'you have not voted on a question recently' reminder generates an up-vote for the question being looked at?

discussion voting popups reminder asked Jul 20 '11 at 14:50

meta.stackoverflow.com

12 votes

What are the benefits of a relative path such as “../include/header.h” for a header?

c include header asked Feb 28 '09 at 1:36

stackoverflow.com

12 votes

What are the formal and practical constraints on the values in 'struct lconv' describing a locale?

c locale asked Nov 24 '11 at 19:25

stackoverflow.com

11 votes

What is the difference between ssize_t and ptrdiff_t?

c posix asked Dec 27 '11 at 20:33

stackoverflow.com

10 votes

What setting in vim counteracts smartindent's refusal to indent # comments in shell scripts?

vim shell vimrc auto-indent asked Dec 22 '08 at 1:33

stackoverflow.com

Top Answers

214

Solve the memory alignment in C interview question that stumped me

stackoverflow.com

153

What are the differences between Perl, Python, AWK and sed?

stackoverflow.com

120

What are extern variables in C?

stackoverflow.com

Capturing multiple line output to a bash variable

stackoverflow.com

“static const” vs “#define” in c

stackoverflow.com

C #define macro for debug printing

stackoverflow.com

How to iterate over arguments in bash script

stackoverflow.com

How to pipe stderr, and not stdout?

stackoverflow.com

Using getopts in bash shell script to get long and short command line options

stackoverflow.com

Should we hire someone who writes C in Perl?

programmers.stackexchange.com

What is the bit size of long on 64-bit Windows?

stackoverflow.com

C preprocessor and concatenation

stackoverflow.com

How can I make my web page not be copied?

stackoverflow.com

What is the difference between sigaction and signal?

stackoverflow.com

What does a type followed by _t (underscore-t) represent?

stackoverflow.com

What's the best way to check that environment variables are set in Unix shellscript

stackoverflow.com

Macro returning the number of arguments it is given in C?

stackoverflow.com

What are the most useful new features in C99?

stackoverflow.com

Where to document functions in C?

stackoverflow.com

How to tell if a string is not defined in a bash shell script?

stackoverflow.com

How to efficiently calculate a running standard deviation?

stackoverflow.com

Write the prototype for a C function that takes an array of exactly 16 integers

stackoverflow.com

C++ Interview question

programmers.stackexchange.com

Geospatial coordinates and distance in kilometers… (updated again)

stackoverflow.com

Shell/Bash Command to get nth line of STDOUT

stackoverflow.com

How do you like your primary keys?

stackoverflow.com

What does =+ mean in C?

stackoverflow.com

How can I exclude all “permission denied”-messages from “find .”?

stackoverflow.com

Strengths of Shell Scripting compared to Python

stackoverflow.com

How can I initialize an array of pointers to structs?

stackoverflow.com