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Check if an element is present in an array [duplicate]
... // false
[1, 2, 3].includes(1, 2); // false (second parameter is the index position in this array at which to begin searching)
As of JULY 2018, this has been implemented in almost all major browsers, if you need to support IE a polyfill is available.
Edit: Note that this returns false if th...
How to use a custom comparison function in Python 3?
...):
numbers = []
for letter in word:
numbers.append(my_alphabet.index(letter))
return numbers
x=['cbaba', 'ababa', 'bbaa']
x.sort(key=custom_key)
Since your language includes multi-character letters, your custom_key function will obviously need to be more complicated. That should g...
How to pass a variable from Activity to Fragment, and pass it back?
...ate a new instance of DetailsFragment, initialized to
* show the text at 'index'.
*/
public static DetailsFragment newInstance(int index) {
DetailsFragment f = new DetailsFragment();
// Supply index input as an argument.
Bundle args = new Bundle();
args.putInt("index", index);
...
jquery get all form elements: input, textarea & select
...m with the form id,
$('#formId input, #formId select').each(
function(index){
var input = $(this);
alert('Type: ' + input.attr('type') + 'Name: ' + input.attr('name') + 'Value: ' + input.val());
}
);
The below code helps to get the details of elements from all the forms ...
Real life trading API [closed]
... this is something that the exchange has to support and your broker has to allow. Most exchanges I know of, do not allow automated trading without prior permission.
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Explanation of …
...the browser can understand, and so the browser will simply ignore it. This allows you to put anything in there, which can then be extracted later and used by a templating library to generate HTML snippets.
Backbone doesn't force you to use any particular templating library - there are quite a few o...
How to revert a “git rm -r .”?
...- path/to/file
git checkout -- path/to/file
This will first recreate the index entries for path/to/file and recreate the file as it was in the last commit, i.e.HEAD.
Hint: one may pass a commit hash to both commands to recreate files from an older commit. See git reset --help and git checkout --h...
Why can't I save CSS changes in Firebug? [closed]
...e editing your CSS files. I made the change already for now, but I would really love to have this functionality built into Firebug. :)
[Update 1]
Today I just saw this video: Firefox CSS live edit in Sublimetext (work in progress) Looks promising indeed.
[Update 2]
If you happen to be using Vi...
What does axis in pandas mean?
... value over the flattened array) , in which axis=0 along the rows (namely, index in pandas), and axis=1 along the columns. For added clarity, one may choose to specify axis='index' (instead of axis=0) or axis='columns' (instead of axis=1).
+------------+---------+--------+
| | A | ...
vagrant up failed, /dev/vboxnetctl: no such file or directory
...from Apple:
https://developer.apple.com/library/content/technotes/tn2459/_index.html
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