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Are Javascript arrays sparse?
That is, if I use the current time as an index into the array:
7 Answers
7
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Git commit in terminal opens VIM, but can't get back to terminal
...
To save your work and exit press Esc and then :wq (w for write and q for quit).
Alternatively, you could both save and exit by pressing Esc and then :x
To set another editor run export EDITOR=myFavoriteEdioron your terminal, where myFavoriteEdior can be vi, gedit, subl(f...
Reverse a string in Python
...hile loop:
def reverse_a_string_slowly(a_string):
new_string = ''
index = len(a_string)
while index:
index -= 1 # index = index - 1
new_string += a_string[index] # new_string = new_string + character
return new_string
This is theoretically bad be...
How to flip windows in vim? [duplicate]
...ween the two windows/buffers.
You may wish to bind one or more of these sequences to make it faster to type. I put this in my .vimrc so that ,l moves the cursor to the next buffer in the current tab:
let mapleader = ","
nmap <Leader>l <C-w>w
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bash: Bad Substitution
...and that bash syntax is not supported by some other shell (probably dash). Questions don't always contain all the needed details, and we must join the dots... anyway feel free to downvote my answer.
– Vanni Totaro
Dec 1 '15 at 11:10
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How to remove item from array by value? [duplicate]
...&& this.length) {
what = a[--L];
while ((ax = this.indexOf(what)) !== -1) {
this.splice(ax, 1);
}
}
return this;
};
var ary = ['three', 'seven', 'eleven'];
ary.remove('seven');
/* returned value: (Array)
three,eleven
*/
To make it a global-
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Split array into chunks
...unk_size) => Array(Math.ceil(array.length / chunk_size)).fill().map((_, index) => index * chunk_size).map(begin => array.slice(begin, begin + chunk_size));.
– Константин Ван
Feb 4 '18 at 12:39
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Rails layouts per action?
... case action_name
when "new", "create"
"some_layout"
when "index"
"other_layout"
else
"application"
end
end
end
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Javascript object Vs JSON
...me. A JavaScript object on the other hand is a physical type. Just like a PHP array, a C++ class/ struct, a JavaScript object is an type internal to JavaScript.
Here's a story. Let's imagine you've purchased some furniture from a store, and you want it delivered. However the only one left in stock...
How to temporarily exit Vim and go back
How could I exit Vim, not :q , and then go back to continue editing?
10 Answers
10
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