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How can I dynamically create a selector at runtime with Objective-C?
...tor(MyMethodName:) but what I want to do is create a selector dynamically from an NSString . Is this even possible?
4 Ans...
Running multiple commands in one line in shell
...original.
And no, it's not the correct syntax. | is used to "pipe" output from one program and turn it into input for the next program. What you want is ;, which seperates multiple commands.
cp file1 file2 ; cp file1 file3 ; rm file1
If you require that the individual commands MUST succeed befor...
Incomplete type is not allowed: stringstream
...t itself include all the headers it needs, but not impossible.
For things from the standard library, such as the stringstream class, use the language standard or other reference documentation for the class or the individual functions (e.g. Unix man pages, MSDN library, etc.) to figure out what you ...
In Python, how to display current time in readable format
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You could do something like:
>>> from time import gmtime, strftime
>>> strftime("%a, %d %b %Y %H:%M:%S +0000", gmtime())
'Thu, 28 Jun 2001 14:17:15 +0000'
The full doc on the % codes are at http://docs.python.org/library/time.html
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Does Git Add have a verbose switch
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From the other answer I see there's a way to make it tell you what's happening, but I suggest you to get used without the -v parameter, the default behaviour is more practical (and it's faster to type).
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Custom HTTP Authorization Header
...e pairs are the auth parameters. Though I believe the quotes are optional (from Apendix B of p7-auth-19)...
auth-param = token BWS "=" BWS ( token / quoted-string )
I believe this fits the latest standards, is already in use (see below), and provides a key-value format for simple extension (if yo...
How to do stateless (session-less) & cookie-less authentication?
...d recommend you to add random token or random verifer, to protect yourself from Cross Site Request Forgery (CSRF) attacks.
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jQuery duplicate DIV into another DIV
... $('.package').html($button);
});
Full demo: http://jsfiddle.net/3rXjx/
From the jQuery docs:
The .clone() method performs a deep copy of the set of matched
elements, meaning that it copies the matched elements as well as all
of their descendant elements and text nodes. When used in conju...
Bash Script: count unique lines in file
I have a large file (millions of lines) containing IP addresses and ports from a several hour network capture, one ip/port per line. Lines are of this format:
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How to pipe stdout while keeping it on screen ? (and not to a output file)
...l procedures that wish to be sure of
writing messages to or reading data from the terminal no matter how
output has been redirected. It can also be used for applications that
demand the name of a file for output, when typed output is desired and
it is tiresome to find out what terminal is cu...