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Mathematical functions in Swift
... and also classes for user interface, it depends if your playground is for OS X or iOS.
For OS X, you need import Cocoa.
import Cocoa
For iOS, you need import UIKit.
import UIKit
You can easily discover your playground platform by opening File Inspector (⌥⌘1).
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Multiline comment in PowerShell
...red Sep 2 '18 at 18:32
ÜberUser123ÜberUser123
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Update built-in vim on Mac OS X
... in Terminal.app like so.
alias vim='/Applications/MacVim.app/Contents/MacOS/Vim' # or something like that, YMMV
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Export query result to .csv file in SQL Server 2008
...out add the querytimeout so e.g. Invoke-Sqlcmd -ServerInstance MySQLserver123 -Query $QueryFmt -querytimeout 600 | Export-CSV $AttachmentPath
– Tilo
Apr 6 '17 at 16:44
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Adding :default => true to boolean in existing Rails column
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change_column :things, :price_1, :integer, default: 123, null: false
Seems to be best way to add a default to an existing column that doesn't have null: false already.
Otherwise:
change_column :things, :price_1, :integer, default: 123
Some research I did on this:
https:...
List directory in Go
...returns a list of sorted directory entries.
The resulting slice contains os.FileInfo types, which provide the methods listed here. Here is a basic example that lists the name of everything in the current directory (folders are included but not specially marked - you can check if an item is a folde...
How do I specify new lines on Python, when writing on files?
... you really want to get it right, you look up the newline character in the os package. (It's actually called linesep.)
Note: when writing to files using the Python API, do not use the os.linesep. Just use \n; Python automatically translates that to the proper newline character for your platform.
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Location of my.cnf file on macOS
...ySQL. The problem is, where should my.cnf file be located? I'm using Mac OS X Lion.
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$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions
..._http and memcache and in both cases, I get similar errors. This is on MAC OS X 10.7.3 (lion) and I also have XCODE installed on it. I also installed Zend Server community edition before running these commands and have CFLAGS='-arch i386 -arch x86_64' environment variables set. So please help with w...
MySQL Query GROUP BY day / month / year
...swered Jun 9 '13 at 9:17
mr.baby123mr.baby123
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