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Default parameters with C++ constructors [closed]
...ue), then making them with default arguments is even worse. I've recently started to come around to the opinion that ctor arguments are bad, because your ctor logic should be as minimal as possible. How do you deal with error handling in the ctor, should somebody pass in an argument that doesn't m...
Converting Storyboard from iPhone to iPad
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@PiotrJustyna you can do that. Press start a bounty under the question, select desired amount and Reward existing answer...
– Filip Radelic
Jun 28 '12 at 1:10
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How can I check for an empty/undefined/null string in JavaScript?
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@bdukes when you start to care about that kind of micro-optimizations, I don't think Chrome is the browser where you are having most of your performance problems...
– Vincent Robert
Sep 27 '10 at 16:18
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Problems with contenttypes when loading a fixture in Django
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@winirvana because after you start from scratch and do syncdb, newly created ContentType and Permission are not guaranteed to get same id as they had before. Your data dump contains ids which might reference different objects on anather database where yo...
What does mvn install in maven exactly do
I just started using Maven and I was told to do mvn install in a specific directory.
7 Answers
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JSON parsing using Gson for Java
...e the lack of information (even gson page), that's what I found and used:
starting from
Map jsonJavaRootObject = new Gson().fromJson("{/*whatever your mega complex object*/}", Map.class)
Each time gson sees a {}, it creates a Map (actually a gson StringMap )
Each time gson sees a '', it creates...
Remove Safari/Chrome textinput/textarea glow
...o only show the outline border when we detect a keyboard user. Once a user starts using his mouse we disable the outline. As a result you get the best of the two.
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Determining if an Object is of primitive type
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Starting in Java 1.5 and up, there is a new feature called auto-boxing. The compiler does this itself. When it sees an opportunity, it converts a primitive type into its appropriate wrapper class.
What is probably happening ...
Draw multi-line text to Canvas
...lines.. Especially convenient in case text doesn't have any line breaks at start or we don't know if it has them...
– Ewoks
Apr 18 '12 at 14:39
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Resize UIImage by keeping Aspect ratio and width
... If you only want downsizing, not upsizing, don't forget to start the imageWithImage:scaledToMaxWidth:maxHeight: method with: if (image.size.width < width && image.size.height < height) { return image; }
– Arjan
Mar 6 '15 at 15:28
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