Stack Exchange

John Zwinck

Singapore

http://www.linkedin.com/in/jzwinck

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Top Questions
69 votes

Why can't GCC optimize the logical / bitwise AND pair in "x && (x & 4242)" to "x & 4242"?

c++ gcc optimization compiler-optimization asked Apr 14, 2014 at 8:45
stackoverflow.com

69 votes

Why is memcmp(a, b, 4) only sometimes optimized to a uint32 comparison?

c gcc clang x86-64 compiler-optimization asked Jul 12, 2017 at 8:25
stackoverflow.com

50 votes

Computer login with password only, without username

login password security efficiency username asked Jan 15, 2013 at 12:32
ux.stackexchange.com

46 votes

Why does GCC implement isnan() more efficiently for C++ <cmath> than C <math.h>?

c++ c optimization nan constantfolding asked Sep 26, 2014 at 5:27
stackoverflow.com

42 votes

Javascript console.log(object) vs. concatenating string

javascript node.js string-concatenation pretty-print asked Jan 30, 2013 at 5:22
stackoverflow.com

36 votes

How to write Python generator function that never yields anything

python generator yield asked Jun 7, 2011 at 14:15
stackoverflow.com

36 votes

Does mysqldump --password really do what it says?

mysql mysqldump mysql-error-1044 asked Sep 29, 2008 at 14:36
stackoverflow.com

28 votes

Why can't C++11 strongly-typed enum be cast to underlying type via pointer?

c++ c++11 enums enum-class strongly-typed-enum asked Jul 4, 2014 at 4:08
stackoverflow.com

28 votes

Why is GCC tricked into allowing undefined behavior simply by putting it in a loop?

c++ gcc g++ compiler-warnings undefined-behavior asked Sep 8, 2014 at 5:04
stackoverflow.com

26 votes

GCC optimizes fixed range-based for loop as if it had longer, variable length

c++ c++11 gcc optimization icc asked Aug 4, 2017 at 1:37
stackoverflow.com

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Top Answers
2193
Difference between git stash pop and git stash apply
stackoverflow.com

550
What does `set -x` do?
stackoverflow.com

501
Simplify Chained Comparison
stackoverflow.com

449
Download large file in python with requests
stackoverflow.com

300
How can I do a recursive find/replace of a string with awk or sed?
stackoverflow.com

236
Why is the empty dictionary a dangerous default value in Python?
stackoverflow.com

204
How to use git commands after enable gitlab's second-factor authentication
stackoverflow.com

195
Convert string to buffer Node
stackoverflow.com

195
Pandas: convert categories to numbers
stackoverflow.com

185
"In-source builds are not allowed" in cmake
stackoverflow.com

169
Inline conditions in Lua (a == b ? "yes" : "no")?
stackoverflow.com

127
What do these operators mean (** , ^ , %, //)?
stackoverflow.com

91
const before parameter vs const after function name c++
stackoverflow.com

85
Python print string like a raw string
stackoverflow.com

85
Unable to apply methods on timestamps using Series built-ins
stackoverflow.com

83
how to reset index pandas dataframe after dropna() pandas dataframe
stackoverflow.com

83
What is a sysroot exactly and how do I create one ?
stackoverflow.com

78
Usage of `...` (three-dots or dot-dot-dot) in functions
stackoverflow.com

75
How to insert strings containing slashes with sed?
stackoverflow.com

74
How to create a C project with CLion
stackoverflow.com

64
NumPy array is not JSON serializable
stackoverflow.com

59
Github not update `raw` after commit
stackoverflow.com

58
Pandas rename column by position?
stackoverflow.com

58
Does "pass" mean OK or not OK?
english.stackexchange.com

54
What is an `int foo::*bar::*`?
stackoverflow.com

53
How to define array in multiple lines in Shell
stackoverflow.com

46
Difference between Python float and numpy float32
stackoverflow.com

46
typecasting Eigen::VectorXd to std::vector
stackoverflow.com

45
Difference between vector::begin() and std::begin()
stackoverflow.com

44
Do any States in the US give traffic tickets for 5 mph above the speed limit?
travel.stackexchange.com

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