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How do you echo a 4-digit Unicode character in Bash?
... That's true. I discovered i was using LANG=C instead of LANG=en_US.UTF-8. Now my terminals in Gnome show the symbols properly... The real terminals (tty1-6) still don't though.
– trusktr
Oct 3 '12 at 0:09
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MongoDB: Find a document by non-existence of a field?
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Great point -- thanks. I know this caveat holds true in MongoDB version 1.8.x and before; but I thought queries with $exists field constraints can now make use of indexes in version 2.0 ...?
– dampier
Dec 20 '11 ...
How to solve the error LNK2019: unresolved external symbol - function?
I get this error, but I don't know how to fix it.
11 Answers
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Check if a table exists in Rails
...ecord::Base.connection.data_source_exists? 'table_name' is the correct one now
– Dorian
Dec 30 '16 at 1:35
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How do I get the full path to a Perl script that is executing?
...l 5.0.0, which was released in the late '90s—I think it's save to use by now.
– Drew Stephens
Apr 5 '16 at 12:18
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show 8 more comments
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Should I store generated code in source control
...u expect to backport a bug to an older version of your product unless you know what version of the compiler and linker you were using back then? A code generator is no different from your C++/Java/C# compiler. The fact that you might be able to read its output is immaterial: its input is the source....
How to install Java SDK on CentOS?
I have CentOS 5, but I don't know the steps to install Java SDK on Linux.
12 Answers
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How can I set a custom date time format in Oracle SQL Developer?
...ee this getting generated in the sql: to_date('02-OCT-14','YYYY-MM-DD') so now my sql is just plain broken.
– James Watkins
Oct 29 '14 at 15:13
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Could not find any resources appropriate for the specified culture or the neutral culture
...r.folder.class instead of project.folder.class. I moved it to the root and now it lines up and works!
– SelAromDotNet
Aug 21 '15 at 22:37
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Timeout a command in bash without unnecessary delay
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Right, I see that now. And it meets my exact requirements if you set the poll interval == timeout. Also works in pipelines, works with the whole thing backgrounded, works with multiple instances and other jobs running. Sweet, thanks!
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