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frequent issues arising in android view, Error parsing XML: unbound prefix
I have frequent problem in android view, Error parsing XML: unbound prefix on Line 2 .
16 Answers
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Multiline comment in PowerShell
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In PowerShell v2 and newer, use the following syntax for the multiline comments:
<# a
b
c #>
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How to add multiple columns to a table in Postgres?
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and to set the default value: ALTER TABLE table ADD COLUMN col1 int default 0, ADD COLUMN col2 text default 'foo';
– Brian D
Feb 11 at 15:36
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Nested defaultdict of defaultdict
... answered Oct 4 '13 at 19:33
Andrew ClarkAndrew Clark
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Sass negative variable value?
I have a couple of scss selectors where I use the same amount positive and negative, as in:
3 Answers
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How does Go update third-party packages?
Looking how actively golang packages grow and improve I wonder how the problem with package versions is solved?
7 Answers
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Overriding == operator. How to compare to null? [duplicate]
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I've always done it this way (for the == and != operators) and I reuse this code for every object I create:
public static bool operator ==(Person lhs, Person rhs)
{
// If left hand side is null...
if (System.Object.ReferenceEquals(lhs, null))
{
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Bootstrap modal: background jumps to top on toggle
...e the css for .modal-open class. But, what if there is extra closing divs, and in my answer, I have not override any classes in my resolution? It works fine after removing 2 extra divs. bs modal adding .modal-backdrop div which will get confused where it needed to be closed because of extra closing ...
NSNotificationCenter addObserver in Swift
...tification.Name("NotificationIdentifier"), object: nil)
Function-Method handler for received Notification:
@objc func methodOfReceivedNotification(notification: Notification) {}
Swift 3.0 & Xcode 8.0+:
Send(Post) Notification:
NotificationCenter.default.post(name: Notification.Name("Notif...
How to run Ruby code from terminal?
...o start the interactive Ruby environment, where you can type lines of code and see the results immediately.
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