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django test app error - Got an error creating the test database: permission denied to create databas
...riam CREATEDB;
See this documentation: https://docs.djangoproject.com/en/2.0/topics/testing/overview/#the-test-database
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Check play state of AVPlayer
...econds/3.0, 1);
CMTime secondThird = CMTimeMakeWithSeconds(durationSeconds*2.0/3.0, 1);
NSArray *times = [NSArray arrayWithObjects:[NSValue valueWithCMTime:firstThird], [NSValue valueWithCMTime:secondThird], nil];
self.playerObserver = [<#A player#> addBoundaryTimeObserverForTimes:times queue...
How to encode a URL in Swift [duplicate]
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Swift 2.0
let needsLove = "string needin some URL love"
let safeURL = needsLove.stringByAddingPercentEncodingWithAllowedCharacters(NSCharacterSet.URLQueryAllowedCharacterSet())!
Helpful Progamming Tips and Hacks
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Specify sudo password for Ansible
...on the command line when running ansible-playbook
2016 Update:
Ansible 2.0 (not 100% when) marked --ask-sudo-pass as deprecated. The docs now recommend using --ask-become-pass instead, while also swapping out the use of sudo throughout your playbooks with become.
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Number of days between two NSDates [duplicate]
...from: date1, to: date2)
return components.day ?? 0
}
}
Swift 2.0 Update
extension NSDate {
func differenceInDaysWithDate(date: NSDate) -> Int {
let calendar: NSCalendar = NSCalendar.currentCalendar()
let date1 = calendar.startOfDayForDate(self)
let dat...
Producing a new line in XSLT
... xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="2.0">
This allows me to use &nl; instead of &#xa; to produce a newline in the output. Like other solutions, this is typically placed inside a <xsl:text> tag.
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Collection was modified; enumeration operation may not execute
... .ToList() is present in System.Core dll which is not compatible with .NET 2.0 applications. So you might need to change your target app to .Net 3.5
– mishal153
May 19 '10 at 9:25
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How to move/rename a file using an Ansible task on a remote system
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From version 2.0, in copy module you can use remote_src parameter.
If True it will go to the remote/target machine for the src.
- name: Copy files from foo to bar
copy: remote_src=True src=/path/to/foo dest=/path/to/bar
If you want ...
How do I use Maven through a proxy?
... from source using Maven. Without MAVEN_OPTS, it fails to download LICENSE-2.0, despite downloading many JARs.
– Permaquid
Mar 31 '17 at 19:42
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How do I ZIP a file in C#, using no 3rd-party APIs?
...sion.ZipFile": "4.0.1"
},
"frameworks": {
"net46": {}
}
For .NET Core 2.0, just adding a simple using statement is all that is needed:
using System.IO.Compression;
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