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Comparing two dictionaries and checking how many (key, value) pairs are equal
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edited Jun 14 '18 at 13:15
Olivier Melançon
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getSupportActionBar from inside of Fragment ActionBarCompat
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answered Aug 19 '13 at 18:44
Pierre-Antoine LaFayettePierre-Antoine LaFayette
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How do I get and set Environment variables in C#?
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edited Sep 24 '18 at 13:09
Matt
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answered...
Deleting rows with MySQL LEFT JOIN
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343
You simply need to specify on which tables to apply the DELETE.
Delete only the deadline row...
Two-dimensional array in Swift
...ray of arrays of Ints set to 0. Arrays size is 10x5
var arr = Array(count: 3, repeatedValue: Array(count: 2, repeatedValue: 0))
// ...and for Swift 3+:
var arr = Array(repeating: Array(repeating: 0, count: 2), count: 3)
Change element at position
arr[0][1] = 18
OR
let myVar = 18
arr[0][1] = m...
Bind a function to Twitter Bootstrap Modal Close
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Bootstrap 3 & 4
$('#myModal').on('hidden.bs.modal', function () {
// do something…
});
Bootstrap 3: getbootstrap.com/javascript/#modals-events
Bootstrap 4: getbootstrap.com/docs/4.1/components/modal/#events
Bootstrap 2.3...
How to write asynchronous functions for Node.js
...as
async_function(42, function(val) {
console.log(val)
});
console.log(43);
Will print 42 to the console asynchronously. In particular process.nextTick fires after the current eventloop callstack is empty. That call stack is empty after async_function and console.log(43) have run. So we print 4...
Node JS Error: ENOENT
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edited Jan 11 '17 at 17:39
meetar
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answered Sep...
When to use std::forward to forward arguments?
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3 Answers
3
Active
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Rails: Adding an index after adding column
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239
You can run another migration, just for the index:
class AddIndexToTable < ActiveRecord::Mi...