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How do I create delegates in Objective-C?
...ewhere, as discussed in the Apple Docs on protocols. You usually declare a formal protocol. The declaration, paraphrased from UIWebView.h, would look like this:
@protocol UIWebViewDelegate <NSObject>
@optional
- (void)webViewDidStartLoad:(UIWebView *)webView;
// ... other methods here
@end
...
TimeStamp on file name using PowerShell
... for a moment before realizing that it's not the -f operator but the short form for the -Format parameter. It looked rather out of place, somehow :-)
– Joey
Dec 24 '09 at 0:11
...
Why does make think the target is up to date?
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
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SQL selecting rows by most recent date
...ferent chargetype combinations.Hope this simple query helps with little performance time into consideration...
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How to parse JSON using Node.js? [closed]
...is one of them.
Note: If you're using a JSON file to store sensitive information (e.g. passwords), that's the wrong way to do it. See how Heroku does it: https://devcenter.heroku.com/articles/config-vars#setting-up-config-vars-for-a-deployed-application. Find out how your platform does it, and u...
How does a Linux/Unix Bash script know its own PID?
...
use $BASHPID or $$
See the manual for more information, including differences between the two.
TL;DRTFM
$$ Expands to the process ID of the shell.
In a () subshell, it expands to the process ID of the invoking shell, not the subshell.
$BASHPID Expands to the proc...
How do I simply create a patch from my latest git commit?
...
In general,
git format-patch -n HEAD^
(check help for the many options), although it's really for mailing them.
For a single commit just
git show HEAD > some-patch0001.patch
will give you a useable patch.
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How can I set Image source with base64
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Java: splitting a comma-separated string but ignoring commas in quotes
... String otherThanQuote = " [^\"] ";
String quotedString = String.format(" \" %s* \" ", otherThanQuote);
String regex = String.format("(?x) "+ // enable comments, ignore white spaces
", "+ // match a comma
"(?= ...
Why does the is operator return false when given null?
...ull.
expression can be cast to type. That is, a cast expression of the
form (type (expression) will complete without throwing an exception.
For more information, see 7.6.6 Cast expressions.
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