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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 ...
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...
Replace whitespaces with tabs in linux
...
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
...
Undefined reference to pthread_create in Linux
...
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
...
What is a non-capturing group in regular expressions?
... Group 4: "sectetuer"
...
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....
思维导图在快速阅读或是其它学习工作中的作用 - 创意 - 清泛网 - 专注C/C++...
...么，这使我们可以积极地倾听讲课者。关键知识点之间的连接线会引导您进行积极主动思考。快速系统的整合知识，可以为您的知识融会贯通创造了极其有利的条件。发展创造性思维和创新能力。发散思维是创新思维的核心。画...
Why use pointers? [closed]
...aks and you're trying to track down a bug that belongs to a whole class of errors that pointers introduce, like memory corruption.
So if you control all of your code, stay away from pointers and instead use references, keeping them const when you can. This will force you to think about the life ti...
Detach (move) subdirectory into separate Git repository
... you can't "push" deletes to GitHub and the like. If you try you'll get an error and you'll have to git pull before you can git push - and then you're back to having everything in your history.
So if you want to delete history from the "origin" - meaning to delete it from GitHub, Bitbucket, etc - yo...
Expert R users, what's in your .Rprofile? [closed]
...tryCatch(
{options(
width = as.integer(Sys.getenv("COLUMNS")))},
error = function(err) {
write("Can't get your terminal width. Put ``export COLUMNS'' in your \
.bashrc. Or something. Setting width to 120 chars",
stderr());
options(width=120)}
)
This way R wi...