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Check if a file exists with wildcard in shell script [duplicate]
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The simplest should be to rely on ls return value (it returns non-zero when the files do not exist):
if ls /path/to/your/files* 1> /dev/null 2>&1; then
echo "files do exist"
else
echo "files do not exist"
f...
How do C++ class members get initialized if I don't do it explicitly?
...ith private memebers ptr , name , pname , rname , crname and age . What happens if I don't initialize them myself? Here is an example:
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How do I create a new GitHub repo from a branch in an existing repo?
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Hi @Dogweather, thanks for sharing this. can you explian what's the different between your method and change the origin remote url, push to new repo method?
– Vincent
May 1 '13 at 14:16
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Can you overload controller methods in ASP.NET MVC?
...you can overload controller methods in ASP.NET MVC. Whenever I try, I get the error below. The two methods accept different arguments. Is this something that cannot be done?
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Are there any HTTP/HTTPS interception tools like Fiddler for mac OS X? [closed]
I would like to know if there are any applications like fiddler but for mac OS X, as I need to debug some requests from web applications in Mac OS X. I used to do it with fiddler on Windows and would love to have this tool available on Mac as well.
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AngularJS: Is there any way to determine which fields are making a form invalid?
I have the following code in an AngularJS application, inside of a controller,
which is called from an ng-submit function, which belongs to a form with name profileForm :
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How to reformat JSON in Notepad++?
... "onclick" : "CloseDoc()"
}
]
}
}
}
Tip: Select the code you want to reformat, then Plugins | JSTool | JSFormat.
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Can I write a CSS selector selecting elements NOT having a certain class or attribute?
...ts that do have the "printable" class. If even that isn't feasible despite what you say about your actual markup, you may have to work your markup around that limitation.
Keep in mind that, depending on the properties you're setting in this rule, some of them may either be inherited by descendants ...
PyPy — How can it possibly beat CPython?
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Q1. How is this possible?
Manual memory management (which is what CPython does with its counting) can be slower than automatic management in some cases.
Limitations in the implementation of the CPython interpreter preclude certain optimisations that PyPy can do (eg. fine grained lock...
Memoization in Haskell?
...an get an unmemoized f by using fix f
This will let you test that f does what you mean for small values of f by calling, for example: fix f 123 = 144
We could memoize this by defining:
f_list :: [Int]
f_list = map (f faster_f) [0..]
faster_f :: Int -> Int
faster_f n = f_list !! n
That perf...