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Regarding 'main(int argc, char *argv[])' [duplicate]
...l where an user could type cat file. Here the word cat is a program that takes a file and outputs it to standard output (stdout).
The program receives the number of arguments in argc and the vector of arguments in argv, in the above the argument count would be two (The program name counts as the fi...
Exit codes in Python
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What you're looking for in the script is calls to sys.exit(). The argument to that method is returned to the environment as the exit code.
It's fairly likely that the script is never calling the exit method, and that 0 is the default exit...
Is there a W3C valid way to disable autocomplete in a HTML form?
...as well.
To be honest, if this is something important to your users, 'breaking' standards in this way seems appropriate. For example, Amazon uses the 'autocomplete' attribute quite a bit, and it seems to work well.
If you want to remove the warning entirely, you can use JavaScript to apply the att...
How do I get PHP errors to display?
I have checked my PHP ini file ( php.ini ) and display_errors is set and also error reporting is E_ALL . I have restarted my Apache webserver.
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TCP: can two different sockets share a port?
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A server socket listens on a single port. All established client connections on that server are associated with that same listening port on the server side of the connection. An established connection is uniquely identified by the comb...
If a folder does not exist, create it
... said, use System.IO.Directory.CreateDirectory
But, you don't need to check if it exists first. From the docs
Any and all directories specified in path are created, unless they already exist or unless some part of path is invalid. If the directory already exists, this method does not create a ...
Why doesn't Java support unsigned ints?
...derstand what goes on with unsigned, what unsigned arithmetic is. Things like that made C complex. The language part of Java is, I think, pretty simple. The libraries you have to look up.
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How do I access properties of a javascript object if I don't know the names?
Say you have a javascript object like this:
8 Answers
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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
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community wiki
Graham
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How can I find all of the distinct file extensions in a folder hierarchy?
On a Linux machine I would like to traverse a folder hierarchy and get a list of all of the distinct file extensions within it.
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