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Breaking up long strings on multiple lines in Ruby without stripping newlines
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How to get unique values in an array
... much cleaner solution for ES6 that I see isn't included here. It uses the Set and the spread operator: ...
var a = [1, 1, 2];
[... new Set(a)]
Which returns [1, 2]
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What is “point free” style (in Functional Programming)?
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How do I add a delay in a JavaScript loop?
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The setTimeout() function is non-blocking and will return immediately. Therefore your loop will iterate very quickly and it will initiate 3-second timeout triggers one after the other in quick succession. That is why your first a...
Add UIPickerView & a Button in Action sheet - How?
...iewController in your storyboard (embedded in a navigation controller) and set its custom class to SimpleTableViewController.
Give the navigation controller for SimpleTableViewController a Storyboard ID of "SimpleTableVC".
In SimpleTableViewController.h, create an NSArray property that will represe...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...esponsible to iterate on every channel of the image. For instance, you can set it to iterate on only one channel :) Don't forget to up vote.
– karlphillip
Nov 27 '12 at 17:45
3
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Colored logcat in android studio by colorpid
...with a white background you should modify a light (e.g. Default) theme and set the background for the Android Logcat settings (Background=#393939).
– Maurice Gavin
Jun 26 '15 at 9:57
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Convert command line arguments into an array in Bash
... you just want to type some arguments and feed them into the $@ value, use set:
$ set -- apple banana "kiwi fruit"
$ echo "$#"
3
$ echo "$@"
apple banana kiwi fruit
Understanding how to use the argument structure is particularly useful in POSIX sh, which has nothing else like an array.
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How to watch for array changes?
... _handlers = {
itemadded: [],
itemremoved: [],
itemset: []
};
function defineIndexProperty(index) {
if (!(index in _self)) {
Object.defineProperty(_self, index, {
configurable: true,
enumerable: true,
get: function() {
...
postgresql - add boolean column to table set default
... into steps:
ALTER TABLE users ADD COLUMN priv_user BOOLEAN;
UPDATE users SET priv_user = 'f';
ALTER TABLE users ALTER COLUMN priv_user SET NOT NULL;
ALTER TABLE users ALTER COLUMN priv_user SET DEFAULT FALSE;
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