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how to rotate a bitmap 90 degrees

... In case you don't need the original bitmap, call bitmap.recycle() to be certain. – Nick Bedford Feb 12 '19 at 10:47  |  ...
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Create directory if it does not exist

... What will -Force actually do? The documentation says "Forces this cmdlet to create an item that writes over an existing read-only item". Will it delete an existing folder? It should be clear in this answer. – Peter Mortensen...
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How do you add multi-line text to a UIButton?

...llow multiple lines: button.titleLabel.lineBreakMode = NSLineBreakByWordWrapping; // you probably want to center it button.titleLabel.textAlignment = NSTextAlignmentCenter; // if you want to [button setTitle: @"Line1\nLine2" forState: UIControlStateNormal]; For iOS 5 and below use the following ...
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What is the best method of handling currency/money?

... price calculation. If you insist on using integers, you will have to manually convert to and from BigDecimals everywhere, which will probably just become a pain. As pointed out by mcl, to print the price, use: number_to_currency(price, :unit => "€") #=> €1,234.01 ...
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Enable zooming/pinch on UIWebView

... you can use webView.scalesPageToFit=YES; programmatically If you are using in xib than just click the check box "Scaling" scales Page to fit share | improve this answer ...
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Regex empty string or email

...hing an email address (that is, if you want wrong code that happens to (usually) work), use the regular-expressions.info link someone else submitted. As for the empty string, ^$ is mentioned by multiple people and will work fine. ...
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How to convert std::string to NSString?

...dent encoding who value is derived from user's default language and potentially other factors. The use of this encoding might sometimes be needed when interpreting user documents with unknown encodings, in the absence of other hints. This encoding should be used rarely, if at all. Note that some po...
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Virtual member call in a constructor

I'm getting a warning from ReSharper about a call to a virtual member from my objects constructor. 18 Answers ...
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Recent file history in Vim?

... :e #<1 opens last file, see :h c_#<. – Hotschke Dec 15 '15 at 16:42 ...
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Android - Emulator in landscape mode, screen does not rotate

...tes the screen to landscape orientation but the Android OS and none of the apps rotate. So everything is sitting sideways. Is there something in the AVD configuration that needs to be set in order for the device to rotate properly? ...