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Why can I create a class named “var”?
...d no confusion arises.
a contextual keyword is:
used to provide a specific meaning in the code, but it is not a
reserved word in C#.
so as its not reserved you can use it.
As pointed out in the comments above there is a discussion of the differences as well as a list of the various keyword...
How best to include other scripts?
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This will not work if the script is executed through $PATH. then which $0 will be useful
– Hugo
Sep 13 '09 at 13:49
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How to generate random number in Bash?
...ly not for crypto), but it's probably adequate for basic scripting tasks.
If you're doing something that requires serious random numbers you can use /dev/random or /dev/urandom if they're available:
$ dd if=/dev/urandom count=4 bs=1 | od -t d
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How to select the first element with a specific attribute using XPath
... not return all books from 'US'. I have tested it mutiple times and under different languages' xpath implementations. /bookstore/book[@location='US'][1] returns the first 'US' book under a bookstore. If there are mutiple bookstores, then it will return the first from each. This is what the OP asked ...
Does Java have a path joining method? [duplicate]
...ava versions 7 and earlier.
To quote a good answer to the same question:
If you want it back as a string later, you can call getPath(). Indeed, if you really wanted to mimic Path.Combine, you could just write something like:
public static String combine (String path1, String path2) {
File fil...
Use basic authentication with jQuery and Ajax
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Problem...If the credentials I pass fail, in Chrome the user is then presented with a dialog to enter username/pwd again. How can I prevent this 2nd dialog from appearing if the credentials fail?
– David
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Why does Haskell's “do nothing” function, id, consume tons of memory?
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This means that if id is repeated n times, the space of its type is proportional to 2^n. The type inferred in Ryan's code would need 2^27 references to its type variable in addition to the other structure needed to represent the type, which ...
Vim Configure Line Number Coloring
...d change the foreground colour for LineNr on a character terminal to grey. If you are using gVim, you can:
:highlight LineNr guifg=#050505
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How can I archive git branches?
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I believe the proper way to do this is to tag the branch. If you delete the branch after you have tagged it then you've effectively kept the branch around but it won't clutter your branch list.
If you need to go back to the branch just check out the tag. It will effectively restore...
Git diff output to file preserve coloring
Is it possible to do git diff and save the output to a file with the coloring somehow?
9 Answers
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