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How can I launch Safari from an iPhone app?
...wers.
import UIKit
class InterAppCommunication {
static func openURI(_ URI: String) {
UIApplication.shared.open(URL(string: URI)!, options: [:], completionHandler: { (succ: Bool) in print("Complete! Success? \(succ)") })
}
}
...
How do I restore a missing IIS Express SSL Certificate?
...ut the MSI file where Control Panel expects it to be. However, there is a _package.json file in that same directory, and it contains the URL of the MSI file. You may either run that manually or copy it to where Control Panel expects it.
– Chris R. Donnelly
J...
E11000 duplicate key error index in mongodb mongoose
...xes
From comments:
Your error says that the key is named mydb.users.$email_1 which makes me suspect that you have an index on both users.email and users.local.email (The former being old and unused at the moment). Removing a field from a Mongoose model doesn't affect the database. Check with mydb.u...
How to print (using cout) a number in binary form?
...
Thanks Jerry, I discovered to_string minutes later. FYI, casting doesn't work, the bitset variable is an object of some really arcane-looking bitset3ul (?!) class. Best to let the abstractions do the work!
– nirvanaswap
...
How to move child element from one parent to another using jQuery [duplicate]
...Query DataTables plugin. I would like to move the search box (.dataTables_filter) and number of records to display dropdown (.dataTables_length) from their parent element (.dataTables_wrapper) to another div on my page without losing any registered javascript behavior. For instance the search box ...
How to save a Python interactive session?
...for your use-case there is the %save magic command, you just input %save my_useful_session 10-20 23 to save input lines 10 to 20 and 23 to my_useful_session.py (to help with this, every line is prefixed by its number).
Furthermore, the documentation states:
This function uses the same syntax as...
How can I calculate the difference between two dates?
...fference between two dates in days.
#1. Using Calendar's dateComponents(_:from:to:) method
import Foundation
let calendar = Calendar.current
let startDate = calendar.date(from: DateComponents(year: 2010, month: 11, day: 22))!
let endDate = calendar.date(from: DateComponents(year: 2015, month: ...
How do I use boolean variables in Perl?
...n true and false, so not only does it have booleans, it has true (!0 aka PL_sv_yes) and false (!1 aka PL_sv_no). Or are you saying Perl should croak whenever something other than these two values are tested for truthness? That would be completely awful. e.g. It would prevent $x ||= $default;
...
qmake: could not find a Qt installation of ''
...e to list qt4 when asked directly.
This made everything better:
export QT_SELECT=qt4
qtchooser then knew to use qmake-qt4, and so on.
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Using C# to check if string contains a string in string array
... Linq possibly have over Array.IndexOf??
– Heckflosse_230
Nov 6 '13 at 20:19
21
This doesn't solv...