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Return all enumerables with yield return at once; without looping through

...rhead if all the client really needs is to enumerate through it, since you allocate the data structures for all elements in advance. Also, if you delegate to another method that's returning a sequence, then capturing it as a collection involves extra copying, and you do not know how many items (and ...
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Enable zooming/pinch on UIWebView

... to your .h file Creation of your UIWebView. self.mWebview = [[UIWebView alloc] init]; self.mWebview.delegate = self; /// set delegate method of UIWebView self.mWebview.frame = CGRectMake(0, 35, self.view.bounds.size.width, self.view.bounds.size.height - 80); // set frame whatever you want.. [self...
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What's the difference between Unicode and UTF-8? [duplicate]

... UTF-8 encoding dynamically allocates bits depending on each character. whereas unicode uses 32 bits for each character. This answer examples are only using 7 bit ASCII characters, that is why is easy to understand and satisfies most readers, but UTF-8 ...
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Why should I not include cpp files and instead use a header?

...cluded file with inferior, for example. It also does macro-replacement and token-pasting. The actual compiler runs on the intermediate text file after the preprocessor stage, and emits assembler code. The assembler runs on the assembly file and emits machine code, this is usually called an object fi...
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App store link for “rate/review this app”

...sUserReviews?type=Purple+Software&id=%@"; NSString* url = [[NSString alloc] initWithFormat: ([[UIDevice currentDevice].systemVersion floatValue] >= 7.0f) ? iOS7AppStoreURLFormat : iOSAppStoreURLFormat, cAppleID]; [[UIApplication sharedApplication] openURL: [NSURL URLWithString: url]]; } ...
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Copy array by value

...nters to the elements in the original array (shallow copy). splice(0) will allocate new memory (deep copy) for elements in the array which are numbers or strings, and create pointers for all other element types (shallow copy). By passing a start value of zero to the splice function-method, it won't ...
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What is the difference between Cloud, Grid and Cluster? [closed]

...re architecture doesn't have to treat it as such. You can for instance not allocate the full capacity of your data center to a single request, whereas that is kind of the point of a cluster: to be able to throw 100% of the oomph at a single problem. ...
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TypeScript: Creating an empty typed container array

... The issue of correctly pre-allocating a typed array in TypeScript was somewhat obscured for due to the array literal syntax, so it wasn't as intuitive as I first thought. The correct way would be var arr : Criminal[] = []; This will give you a cor...
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java: (String[])List.toArray() gives ClassCastException

...hat type of array to create. use toArray(new String[v2.size()]); which allocates the right kind of array (String[] and of the right size) share | improve this answer | fo...
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UILabel sizeToFit doesn't work with autolayout ios6

... to calculate its height For example: self.descriptionLabel = [[UILabel alloc] init]; self.descriptionLabel.numberOfLines = 0; self.descriptionLabel.lineBreakMode = NSLineBreakByWordWrapping; self.descriptionLabel.preferredMaxLayoutWidth = 200; [self.descriptionLabel setContentHuggingPriority:UI...