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What does the construct x = x || y mean?

...". It's shorthand for writing: if (!title) { title = "Error"; } This kind of shorthand trick with boolean expressions is common in Perl too. With the expression: a OR b it evaluates to true if either a or b is true. So if a is true you don't need to check b at all. This is called short-circ...
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How do I serialize a C# anonymous type to a JSON string?

... Fenton 193k5555 gold badges338338 silver badges356356 bronze badges answered Dec 1 '08 at 19:52 Nick BerardiNic...
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How to filter files when using scp to copy dir recursively?

...files from server to local with all dir reserved. e.g. server:/usr/some/unknown/number/of/sub/folders/me.class will be /usr/project/backup/some/unknown/number/of/sub/folders/me.class the problem is, there are many other useless files such as .svn-base files that i don't want. how can i filter th...
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Grepping a huge file (80GB) any way to speed it up?

...ightygigsfile.sql It will also be faster if you copy your file to RAM disk. share | improve this answer | follow | ...
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INSTALL_FAILED_UPDATE_INCOMPATIBLE when I try to install compiled .apk on device

... Mustafa GüvenMustafa Güven 13.9k1010 gold badges5454 silver badges7979 bronze badges ...
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Adding elements to object

I need to populate a json file, now I have something like this: 17 Answers 17 ...
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Image.Save(..) throws a GDI+ exception because the memory stream is closed

...you shouldn't close it. As the docs for that constructor say: You must keep the stream open for the lifetime of the Bitmap. I can't find any docs promising to close the stream when you dispose the bitmap, but you should be able to verify that fairly easily. ...
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SQL Server: Get table primary key using sql query [duplicate]

I want to get a particular table's primary key using SQL query for SQL Server database. 10 Answers ...
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The type initializer for 'MyClass' threw an exception

... Check the InnerException property of the TypeInitializationException; it is likely to contain information about the underlying problem, and exactly where it occurred. ...
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How do I break out of a loop in Perl?

I'm trying to use a break statement in a for loop, but since I'm also using strict subs in my Perl code, I'm getting an error saying: ...