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How to read from standard input in the console?
... to read standard input from the command line, but my attempts have ended with the program exiting before I'm prompted for input. I'm looking for the equivalent of Console.ReadLine() in C#.
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In the shell, what does “ 2>&1 ” mean?
...dard error (stderr).
Here is one way to remember this construct (although it is not entirely accurate): at first, 2>1 may look like a good way to redirect stderr to stdout. However, it will actually be interpreted as "redirect stderr to a file named 1". & indicates that what follows is a fil...
How to get rspec-2 to give the full trace associated with a test failure?
Right now if I run my test suite using rake spec I get an error:
6 Answers
6
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HTML in string resource?
...ng(R.string.foo) the string will be HTML. If you need to render the HTML (with the link as shown) via a clickable TextView you'd need to perform a Html.fromHtml(...) call to get the spannable text.
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nil detection in Go
...re comparing a structure instance and nil. They're not of the same type so it considers it as an invalid comparison and yells at you.
What you want to do here is to compare a pointer to your config instance to nil, which is a valid comparison. To do that you can either use the golang new builtin, o...
How to turn on line numbers in IDLE?
...his.
However, there are a couple of ways to work around this:
Under the edit menu there is a go to line option (there is a default shortcut of Alt+G for this).
There is a display at the bottom right which tells you your current line number / position on the line:
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Any way to select without causing locking in MySQL?
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Found an article titled "MYSQL WITH NOLOCK"
https://web.archive.org/web/20100814144042/http://sqldba.org/articles/22-mysql-with-nolock.aspx
in MS SQL Server you would do the following:
SELECT * FROM TABLE_NAME WITH (nolock)
and the MYSQL ...
`staticmethod` and `abc.abstractmethod`: Will it blend?
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class abstractstatic(staticmethod):
__slots__ = ()
def __init__(self, function):
super(abstractstatic, self).__init__(function)
function.__isabstractmethod__ = True
__isabstractmethod__ = True
class A(object):
__metaclass__ = abc.ABCMeta
@abstractstatic
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Is there a way to check which CSS styles are being used or not used on a web page?
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Install the CSS Usage add-on for Firebug and run it on that page. It will tell you which styles are being used and not used by that page.
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dyld: Library not loaded … Reason: Image not found
...file
exefile:
@executable_path/libboost_something.dylib (compatibility version 0.7.0, current version 0.7.0)
/usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 65.1.0)
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 169.3.0)
and f...