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How to Rotate a UIImage 90 degrees?

...nt to use a CGAffineTransform . I want the pixels of the UIImage to actually shift position. I am using a block of code (shown below) originally intended to resize a UIImage to do this. I set a target size as the current size of the UIImage but I get an error: ...
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iOS 7's blurred overlay effect using CSS?

...s CSS Clip property that's it. I also believe this could be done dynamically for any screen if using canvas to copy the current dom and blurring it. share | improve this answer | ...
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How to use if - else structure in a batch file?

...stion about if - else structure in a batch file. Each command runs individually, but I couldn't use "if - else" blocks safely so these parts of my programme doesn't work. How can I do make these parts run? Thank you. ...
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How to change the type of a field?

...(x)) and then save the document again. If you need to do this programmatically and entirely from the shell, you can use the find(...).forEach(function(x) {}) syntax. In response to the second comment below. Change the field bad from a number to a string in collection foo. db.foo.find( { 'bad' :...
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How do synchronized static methods work in Java and can I use it for loading Hibernate entities?

If I have a util class with static methods that will call Hibernate functions to accomplish basic data access. I am wondering if making the method synchronized is the right approach to ensure thread-safety. ...
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How can I access and process nested objects, arrays or JSON?

...as any string can be used as key in objects. The key-value pairs are also called the "properties". Properties can be accessed either using dot notation const value = obj.someProperty; or bracket notation, if the property name would not be a valid JavaScript identifier name [spec], or the name is...
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Do you put unit tests in same project or another project?

...n affect build processes like automated or continuous build. I don't really know of any pros. Having an extra project (or 10) isn't a con. Edit: More Info On Build and Shipping I would further recommend that any automated build process place production and unit tests into different locations....
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PHP Redirect with POST data

... Generate a form on Page B with all the required data and action set to Page C and submit it with JavaScript on page load. Your data will be sent to Page C without much hassle to the user. This is the only way to do it. A redirect is a 303 HTTP header tha...
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What is the correct way to represent null XML elements?

...l is the correct way to represent a value such that: When the DOM Level 2 call getElementValue() is issued, the NULL value is returned. xsi:nil is also used to indicate a valid element with no content even if that elements content type normally doesn't allow empty elements. If an empty tag is used,...
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How do I create/edit a Manifest file?

... Explorer, select Add, then New item (or CTRL+SHIFT+A). There you can find Application Manifest File. The file name is app.manifest. share | improve this answer | follow ...