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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...
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...
How expensive is RTTI?
...ame refers to the original development architecture, though the ABI specification works on lots of architectures including i686/x86_64. Comments in GCC's internal source and STL code refer to Itanium as the "new" ABI in contrast to the "old" one they used before. Worse, the "new"/Itanium ABI refers ...
Writing Unicode text to a text file?
...m __future__ import print_function
import io
from unicodedata import name, category
from curses.ascii import controlnames
from collections import Counter
try: # use these if Python 2
unicode_chr, range = unichr, xrange
except NameError: # Python 3
unicode_chr = chr
exclude_categories = set...
How to append output to the end of a text file
...reated.
Example:
$ echo "hello" > file
$ echo "world" >> file
$ cat file
hello
world
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A worthy developer-friendly alternative to PayPal [closed]
...ably in in Python or Ruby
Stripe has official libraries in Python, Ruby, PHP and Java, and there are more community-supported ones here: https://stripe.com/docs/libraries
Worldwide credit/debit card coverage
You can charge all international credit and debit cards with Stripe.
Rates cheap...
Merge and interleave two arrays in Ruby
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[ "a", "b" ].concat( ["c", "d"] ) #=> [ "a", "b", "c", "d" ]
– Leo Romanovsky
Oct 4 '12 at 4:41
31
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Append file contents to the bottom of existing file in Bash [duplicate]
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This should work:
cat "$API" >> "$CONFIG"
You need to use the >> operator to append to a file. Redirecting with > causes the file to be overwritten. (truncated).
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How does __proto__ differ from constructor.prototype?
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Object.prototype.Op1='';
Function.F1 = '';
Function.prototype.Fp1 = '';
Cat = function(){};
Cat.C1 = '';
Cat.prototype.Cp1 = '';
mycat = new Cat();
o = {};
// EDITED: using console.dir now instead of console.log
console.dir(mycat);
console.dir(o);
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Running multiple commands with xargs
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cat a.txt | xargs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
...or, without a Useless Use Of cat:
<a.txt xargs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
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