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How do I correctly clone a JavaScript object?

...with the attribute __proto__, which is also hidden, and will not be copied by a for/in loop iterating over the source object's attributes. I think __proto__ might be specific to Firefox's JavaScript interpreter and it may be something different in other browsers, but you get the picture. Not everyth...
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How do you remove all the options of a select box and then add one option and select it with jQuery?

... why not just use plain javascript? document.getElementById("selectID").options.length = 0; share | improve this answer | follow | ...
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SQL MAX of multiple columns?

... There are 3 more methods where UNPIVOT (1) is the fastest by far, followed by Simulated Unpivot (3) which is much slower than (1) but still faster than (2) CREATE TABLE dates ( number INT PRIMARY KEY , date1 DATETIME , date2 DATETIME , date3 DATETIME , ...
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string.Format() giving “Input string is not in correct format”

...r (like '{0}' you already use). You need to escape each literal occurrence by doubling it. So in your case do: string tmp = @" if (UseImageFiles) {{ ... }}"; share | improve this...
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matplotlib does not show my drawings although I call pyplot.show()

...thon 3, at least). I just had a related problem, and I think it was caused by using matplotlib in python 2.7, which created a ~/.matplotlib/ directory, and stopped python 3 from reading the config in ~/.config/matplotlib/. Deleting ~/.matplotlib/ fixed the problem for me. – nau...
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Titlecasing a string with exceptions

...Y STREET" where I get "321 a Broadway Street". Using the solution proposed by dheerosaur above produces "321 A Broadway Street". – MoreScratch Oct 28 '16 at 20:49 ...
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Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths - why?

...y relationships where Stage is involved will have cascading delete enabled by default. It means, if you delete a Stage entity the delete will cascade directly to Side the delete will cascade directly to Card and because Card and Side have a required one-to-many relationship with cascading delete e...
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How do I escape a single quote in SQL Server?

... Single quotes are escaped by doubling them up, just as you've shown us in your example. The following SQL illustrates this functionality. I tested it on SQL Server 2008: DECLARE @my_table TABLE ( [value] VARCHAR(200) ) INSERT INTO @my_table VALU...
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Recursively list files in Java

...that using Files.walk with a parallel stream is the best, followed closely by Files.walkFileTree which is only marginally slower. The accepted answer using commons-io is by far the slowest by my tests to be 4 times slower. – Brett Ryan Jun 28 '15 at 13:54 ...
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Passing parameters to addTarget:action:forControlEvents

...n Android views. They can store any object. And you can also store objects by key like in a Dictionary/Map. – Ferran Maylinch Dec 4 '15 at 14:26 ...