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What does |= (ior) do in Python?

...s1 |= s2 # 2 >>> s1.__ior__(s2) # 3 where the final value of s1 is equivalent either by: an assigned OR operation an in-place OR operation an in-place OR operation via special method++ Example Here we a...
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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 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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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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MySQL: determine which database is selected?

After calling mysql_select_db to grab a database, is there any way to later output the name of the database that is currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected"). ...
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How to set HttpResponse timeout for Android in Java

...oment once my HTTP request is made, I then check the status code upon the call returning, however I get a NullPointerException when checking this code if the call has timed out... basically, how do I handle the situation when the call does timeout? (I'm using very similar code to your answer given) ...
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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...
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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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What are best practices that you use when writing Objective-C and Cocoa? [closed]

...rogramming practices do you use when writing Objective-C, and more specifically when using Cocoa (or CocoaTouch). 33 Answer...
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Convert JSON style properties names to Java CamelCase names with GSON

...GSON to convert JSON data I get to a Java object. It works pretty well in all my tests. The problem is that our real objects have some properties named like is_online. GSON only maps them if they are named totally equal, it would be nice to have GSON convert the names to Java camel case isOnline. ...