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Bash script - variable content as a command to run
I have a Perl script that gives me a defined list random numbers that correspond to the lines of a file. Next I want to extract those lines from the file using sed .
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Regular Expression to match only alphabetic characters
I was wondering If I could get a regular expression which will match a string that only has alphabetic characters, and that alone.
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How to read a large file - line by line?
I want to iterate over each line of an entire file. One way to do this is by reading the entire file, saving it to a list, then going over the line of interest. This method uses a lot of memory, so I am looking for an alternative.
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Difference between /res and /assets directories
I know that files in the res directory are accessible from R.class while assets behaves like a file system, but I would like to know, in general, when it's best to use one and the other.
Can anyone help me in knowing the real differences between res and assets?
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Why does C++ not have reflection?
... the compiler won't have generated the class in the first place. And it's too late to create it at runtime, since it requires access to the source code.
And finally, reflection isn't quite
as vital in C++ as it is in C#. The
reason is again, template
metaprogramming. It can't solve
everything, but f...
How to know what the 'errno' means?
When calling execl(...) , I get an errno=2 . What does it mean? How can I know the meaning of this errno ?
15 Answers
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How to convert / cast long to String?
I just created sample BB app, which can allow to choose the date.
8 Answers
8
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Difference between System.DateTime.Now and System.DateTime.Today
Can anyone explain the difference between System.DateTime.Now and System.DateTime.Today in C#.NET? Pros and cons of each if possible.
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Converting integer to string in Python
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Get URL of ASP.Net Page in code-behind [duplicate]
I have an ASP.Net page that will be hosted on a couple different servers, and I want to get the URL of the page (or even better: the site where the page is hosted) as a string for use in the code-behind. Any ideas?
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