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The best way to remove duplicate values from NSMutableArray in Objective-C?
...ded NSOrderedSet to iOS 5 and Mac OS X 10.7. What had been an algorithm is now two lines of code:
NSOrderedSet *orderedSet = [NSOrderedSet orderedSetWithArray:yourArray];
NSArray *arrayWithoutDuplicates = [orderedSet array];
If you are worried about the order and you're running on iOS 4 or earl...
How to show the “Are you sure you want to navigate away from this page?” when changes committed?
...
Update (2017)
Modern browsers now consider displaying a custom message to be a security hazard and it has therefore been removed from all of them. Browsers now only display generic messages. Since we no longer have to worry about setting the message, it i...
Simplest way to serve static data from outside the application server in a Java web application
...n the response, you should set the Content-Type header so that the client knows which application to associate with the provided file. And, you should set the Content-Length header so that the client can calculate the download progress, otherwise it will be unknown. And, you should set the Content-D...
JavaScript: How to pass object by value?
...var key in obj)
temp[key] = clone(obj[key]);
return temp;
}
Now you can you use like this:
(function(x){
var obj = clone(x);
obj.foo = 'foo';
obj.bar = 'bar';
})(o)
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Javascript library for human-friendly relative date formatting [closed]
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Since I wrote this answer, a well known library available is moment.js.
There are libraries available, but it is trivial to implement it yourself. Just use a handful of conditions.
Assume date is an instantiated Date object for the time you want to make a ...
Upgrade Node.js to the latest version on Mac OS
Currently I am using Node.js v0.6.16 on Mac OS X 10.7.4. Now I want to upgrade it to the latest Node.js v0.8.1. But after downloading and installing the latest package file from nodejs.org, I found that system is still using v0.6.16 instead of v0.8.1 when I typed "node -v" in a terminal. Is there an...
SVN - Checksum mismatch while updating
...eted the folder where was a problem file and I updated the entire project. Now it seems to be ok.
– Koralek M.
Apr 27 '12 at 15:40
1
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How to correctly iterate through getElementsByClassName
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for ... of allows you to iterate over NodeList now as in for (slide of slides) Distribute(slide). Browser support is patchy, but if you're transpiling then for ... of will be converted, but NodeList.forEach wouldn't.
– Mr5o1
Oct 22 ...
What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
...ve-c-literals-for-nsdictionary-nsarray-and:
Objective-C literals: one can now create literals for NSArray, NSDictionary, and NSNumber (just like one can create literals for NSString)
NSArray Literals
Previously:
array = [NSArray arrayWithObjects:a, b, c, nil];
Now:
array = @[ a, b, c ];
NSD...
Understanding typedefs for function pointers in C
...ionpointer(arg1, arg2, ...);
I can see why that works - I just prefer to know that I need to look for where the variable is initialized rather than for a function called functionpointer.
Sam commented:
I have seen this explanation before. And then, as is the case now, I think what I didn't get wa...