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What is an optional value in Swift?
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538
An optional in Swift is a type that can hold either a value or no value. Optionals are written...
Explicit vs implicit SQL joins
...ware that the IMPLICIT OUTER JOIN syntax is deprecated since SQL Server 2005. (The IMPLICIT INNER JOIN syntax as used in the question is still supported)
Deprecation of "Old Style" JOIN Syntax: Only A Partial Thing
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Regular Expression to reformat a US phone number in Javascript
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Assuming you want the format "(123) 456-7890":
function formatPhoneNumber(phoneNumberString) {
var cleaned = ('' + phoneNumberString).replace(/\D/g, '')
var match = cleaned.match(/^(\d{3})(\d{3})(\d{4})$/)
if (match) {
return '(' + match[1] + ') ' + m...
mysqldump - Export structure only without autoincrement
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5 Answers
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edited Apr 6 '15 at 17:15
answered Mar 24 '10 at 3:05
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Nginx 403 error: directory index of [folder] is forbidden
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edited May 4 at 12:53
answered Jun 27 '16 at 4:49
jo...
Where to install Android SDK on Mac OS X?
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85
Now the android-sdk has migrated from homebrew/core to homebrew/cask.
brew tap homebrew/cask
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Prevent form submission on Enter key press
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458
if(characterCode == 13)
{
return false; // returning false will prevent the event from bubb...
Format bytes to kilobytes, megabytes, gigabytes
...gabytes and gigabytes? For instance I have an MP3 that Ubuntu displays as "5.2 MB (5445632 bytes)". How would I display this on a web page as "5.2 MB" AND have files less than one megabyte display as KB and files one gigabyte and above display as GB?
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Using jQuery to compare two arrays of Javascript objects
...,1:1,length=2}
– David Hellsing
Sep 5 '12 at 9:42
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