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Why can't I forward-declare a class in a namespace using double colons?

... All other answers were confusing to me but this "you can't declare a class within a namespace from outside that namespace. You have to be in the namespace." was very helpful hint to remember. – dashesy ...
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PHP Fatal error: Cannot redeclare class

...ious repetition like this (even in quite a complex situation). The include_once tip helps to clarify an obscure feature of PHP. – DavidHyogo Mar 20 '13 at 2:12 2 ...
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How to load assemblies in PowerShell?

... While it is technically correct that LoadWithPartialNamehas been deprecated, the reasons (as outlined in blogs.msdn.com/b/suzcook/archive/2003/05/30/57159.aspx) clearly don't apply for an interactive Powershell session. I suggest you add a note...
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How to access object attribute given string corresponding to name of that attribute

...ay prefer to use a generalized getter method like so: class Test: def __init__(self): self.attr1 = 1 self.attr2 = 2 def get(self,varname): return getattr(self,varname) t = Test() x = "attr1" print ("Attribute value of {0} is {1}".format(x, t.get(x))) Outputs: At...
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“Single-page” JS websites and SEO

... the server act as an API (and nothing more) and letting the client handle all of the HTML generation stuff. The problem with this "pattern" is the lack of search engine support. I can think of two solutions: ...
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Hide keyboard when scroll UITableView

...to our UITableViewController class override func scrollViewDidScroll(_ scrollView: UIScrollView) { if !tableView.isDecelerating { view.endEditing(true) } } share | ...
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PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL

How do I modify the owner of all tables in a PostgreSQL database? 20 Answers 20 ...
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Running python script inside ipython

... from within the directory of "my_script.py" you can simply do: %run ./my_script.py share | improve this answer | follow ...
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Liquibase lock - reasons?

... There is a built-in command in Liquibase called releaseLocks that would execute what @Adrian Ber answered but I think it is database agnostic. – user1434769 Oct 26 '15 at 11:17 ...
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What is the meaning of the /dist directory in open source projects?

Since I first saw a dist/ directory in many open source projects, usually on GitHub, I've been wondering what it means. 4...