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open read and close a file in 1 line of code

... You don't really have to close it - Python will do it automatically either during garbage collection or at program exit. But as @delnan noted, it's better practice to explicitly close it for various reasons. So, what you can do to keep it short, simple and explicit: with open('pagehea...
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Single vs double quotes in JSON

... If you need to use double quotes all around, you can call json.dumps(..) twice as in: import json; d = dict(tags=["dog", "cat", "mouse"]); print json.dumps(json.dumps(d)) which gives: "{\"tags\": [\"dog\", \"cat\", \"mouse\"]}" – rprasad ...
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What does $_ mean in PowerShell?

... This is the variable for the current value in the pipe line, which is called $PSItem in Powershell 3 and newer. 1,2,3 | %{ write-host $_ } or 1,2,3 | %{ write-host $PSItem } For example in the above code the %{} block is called for every value in the array. The $_ or $PSItem variable...
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LINQ order by null column where order is ascending and nulls should be last

...o understand the LINQ query syntax and how it is translated to LINQ method calls. It turns out that var products = from p in _context.Products where p.ProductTypeId == 1 orderby p.LowestPrice.HasValue descending orderby p.LowestPrice descending ...
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SQL Server 2012 column identity increment jumping from 6 to 1000+ on 7th entry [duplicate]

I have a strange scenario in which the auto identity int column in my SQL Server 2012 database is not incrementing properly. ...
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Can I read the hash portion of the URL on my server-side application (PHP, Ruby, Python, etc.)?

...llows below the line. Yes javascript can acces it, and then a simple ajax call will do the magic share | improve this answer | follow | ...
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How do you remove the title text from the Android ActionBar?

...al the methods? I mean from which method (activity, fragment) should it be called? – ka3ak Oct 13 '18 at 10:53 ...
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Comparing Java enum members: == or equals()?

... Both are technically correct. If you look at the source code for .equals(), it simply defers to ==. I use ==, however, as that will be null safe. share | ...
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How many bytes in a JavaScript string?

...odeunits either as its corresponding ASCII character or as a %xx sequence, calling unescape(encodeURIComponent(...)) results in a binary string containing the UTF-8 representation of the original string. Calling .length correctly gives the size in bytes of the string encoded as UTF-8. ...
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SplitView like Facebook app on iPhone

...of the app. The similar open source code can be found from here - JTRevealSidebarDemo. Please note that as of June 2014, this project has been discontinued, so you'll probably have better luck with a project from the list below. It reveals technique behind doing split view for iPhone. Edit: Few o...