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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
... I change too much code. I'm confused because so many of the examples are array-based instead of CoreData.
11 Answers
...
Get everything after the dash in a string in javascript
...parts = the_string.split('-', 2);
// After calling split(), 'parts' is an array with two elements:
// parts[0] is 'sometext'
// parts[1] is '20202'
var the_text = parts[0];
var the_num = parts[1];
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regex.test V.S. string.match to know if a string matches a regular expression
...he matches when matching a string against a regular expression. Returns an array with the matches or null if there are none.
Since null evaluates to false,
if ( string.match(regex) ) {
// There was a match.
} else {
// No match.
}
Performance
Is there any difference regarding performanc...
Setting environment variables on OS X
...sx-env-sync</string>
<key>ProgramArguments</key>
<array>
<string>bash</string>
<string>-l</string>
<string>-c</string>
<string>
$HOME/.osx-env-sync.sh
</string>
</array>
<key>RunAtLo...
Get parts of a NSURL in objective-c
...col, the host and the first path component. (The element at index 0 in the array returned by -[NSString pathComponents] is simply "/", so you'll want the element at index 1. The other slashes are discarded.)
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When to use references vs. pointers
...ead of references.
Use references for aliasing (eg. int &current = someArray[i])
Regardless which one you use, don't forget to document your functions and the meaning of their parameters if they are not obvious.
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Mongoose: Get full list of users
...s.send(userMap);
});
});
find() returns all matching documents in an array, so your last code snipped sends that array to the client.
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foll...
What's the advantage of Logic-less template (such as mustache)?
...what logic you have. Or what if I want to output the number of items in an array? I don't know how I could use mustache, it appears to lack things like that.
– Paul Shapiro
Apr 17 '12 at 21:20
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How to scale down a range of numbers with a known min and max value
...wered this a long time ago, but here's a cleaner function that I use now:
Array.prototype.scaleBetween = function(scaledMin, scaledMax) {
var max = Math.max.apply(Math, this);
var min = Math.min.apply(Math, this);
return this.map(num => (scaledMax-scaledMin)*(num-min)/(max-min)+scaledMin);...
How to use setArguments() and getArguments() methods in Fragments?
...ments
Bundle bundle=getArguments();
//here is your list array
String[] myStrings=bundle.getStringArray("elist");
}
}
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