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Looking for ALT+LeftArrowKey solution in zsh
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Run cat then press keys to see the codes your shortcut send.
(Press Ctrl+C to kill the cat when you're done.)
For me, (ubuntu, konsole, xterm) pressing Alt+← sends ^[[1;3D, so i would put in my .zshrc
bindkey "^[[1;3C" forward...
How do you create different variable names while in a loop? [duplicate]
...ou can do this is with exec(). For example:
for k in range(5):
exec(f'cat_{k} = k*2')
>>> print(cat_0)
0
>>> print(cat_1)
2
>>> print(cat_2)
4
>>> print(cat_3)
6
>>> print(cat_4)
8
Here I am taking advantage of the handy f string formatting in Py...
Concatenating Files And Insert New Line In Between Files
I have multiple files which I want to concat with cat .
Let's say
7 Answers
7
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How to capitalize the first letter of a String in Java?
... @dutt: No actually, that was perfectly fine too. But Rekin's modification made it perfect. ;)
– Adeel Ansari
Oct 11 '10 at 8:42
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Polymorphism with gson
...ic interface IAnimal { public String sound(); }
The two derived classes, Cat:
public class Cat implements IAnimal {
public String name;
public Cat(String name) {
super();
this.name = name;
}
@Override
public String sound() {
return name + " : \"meaow...
Turning off auto indent when pasting text into vim
...sn't any easier than :set noai followed by :set ai. The suggestion of :r! cat is shorter.
– Leopd
May 26 '10 at 21:34
71
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How to make “if not true condition”?
I would like to have the echo command executed when cat /etc/passwd | grep "sysa" is not true.
6 Answers
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How do I access my SSH public key?
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cat ~/.ssh/id_rsa.pub or cat ~/.ssh/id_dsa.pub
You can list all the public keys you have by doing:
$ ls ~/.ssh/*.pub
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MySQL Results as comma separated list
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You can use GROUP_CONCAT to perform that, e.g. something like
SELECT p.id, p.name, GROUP_CONCAT(s.name) AS site_list
FROM sites s
INNER JOIN publications p ON(s.id = p.site_id)
GROUP BY p.id, p.name;
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Linux command or script counting duplicated lines in a text file?
...e same as borribles' but if you add the d param to uniq it only shows duplicates.
sort filename | uniq -cd | sort -nr
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