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Alternatives to gprof [closed]
... |
--- f1(long)
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|--15.05%-- process_request(long)
| main
| __libc_start_main
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--13.79%-- f2(long)
process_request(long)
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Getting a list of values from a list of dicts
I have a list of dicts like this:
9 Answers
9
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List to array conversion to use ravel() function
...mpy array.
– Ajean
Nov 25 '15 at 22:05
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Undefined reference to pthread_create in Linux
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This still errored for me till I put -lpthread at the very end of my command. gcc term.c -lpthread
– CornSmith
Apr 18 '13 at 23:49
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Replace whitespaces with tabs in linux
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arg. I had to use trial and error to make the sed work. I have no idea why I had to escape the plus sign like this: ls -l | sed "s/ \+/ /g"
– Jess
Apr 11 '13 at 19:37
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How do I use raw_input in Python 3
...n Python 3.x and 2.x:
# Fix Python 2.x.
try: input = raw_input
except NameError: pass
print("Hi " + input("Say something: "))
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Easy way to print Perl array? (with a little formatting)
...ng 'local' to avoid having ripple effects throughout the script:
use 5.012_002;
use strict;
use warnings;
my @array = qw/ 1 2 3 4 5 /;
{
local $" = ', ';
print "@array\n"; # Interpolation.
}
OR with $,:
use feature q(say);
use strict;
use warnings;
my @array = qw/ 1 2 3 4 5 /;
{
l...
What is a non-capturing group in regular expressions?
... Group 4: "sectetuer"
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So, if we apply the substitution string:
$1_$3$2_$4
... over it, we are trying to use the first group, add an underscore, use the third group, then the second group, add another underscore, and then the fourth group. The resulting string would be like the one below....
Tab Vs Space preferences in Vim
...he width of a tab character. The shiftwidth setting specifies how many columns to increment/decrement when using the << and >> commands, whereas the softtabstop setting influences the amount of whitespace to be inserted when you press the Tab key in insert mode. If expandtab ...
Precise Financial Calculation in JavaScript. What Are the Gotchas?
...y integer arithmetic in floating-point is exact, so decimal representation errors can be avoided by scaling1.
Note that while the set of real numbers is infinite, only a finite number of them (18,437,736,874,454,810,627 to be exact) can be represented exactly by the JavaScript floating-point format...