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UITableViewCell subview disappears when cell is selected

... UITableViewCell changes the background color of all sub views when cell is selected or highlighted ,You can Solve this problem by overriding Tableview cell's setSelected:animated and setHighlighted:animated and resetting view background color. In Objective C : - (void)se...
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When do I need to use a semicolon vs a slash in Oracle SQL?

...ce, but I prefer to see scripts that consistently use the slash - this way all "units" of work (creating a PL/SQL object, running a PL/SQL anonymous block, and executing a DML statement) can be picked out more easily by eye. Also, if you eventually move to something like Ant for deployment it will ...
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How to enumerate an object's properties in Python?

...oes not return dynamic members (i.e., object attributes and methods dynamically defined by that object's __getattr__() method or similar magic). In all likelihood, your desired file.ImplementationName property is defined dynamically and hence not available to vars() or dir(). –...
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Vim: insert the same characters across multiple lines

...e the screen in the first line - until Esc is pressed (6.), at which point all lines will be updated. Press Esc. An uppercase I must be used rather than a lowercase i, because the lowercase i is interpreted as the start of a text object, which is rather useful on its own, e.g. for selecting insi...
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What does the [Flags] Enum Attribute mean in C#?

... Such collections are often used with bitwise operators, for example: var allowedColors = MyColor.Red | MyColor.Green | MyColor.Blue; Note that the [Flags] attribute doesn't enable this by itself - all it does is allow a nice representation by the .ToString() method: enum Suits { Spades = 1, Clu...
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Does Java 8 provide a good way to repeat a value or function?

... @jwenting It really depends - typically with GUI stuff (Swing or JavaFX), that removes a lot of boiler plate due to anonymous classes. – assylias Aug 30 '13 at 12:12 ...
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Best Practices: Salting & peppering passwords?

...e provable and make sense in order for it to be considered secure. Additionally, it has to be implementable in a maintainable way. The most secure system that can't be maintained is considered insecure (because if any part of that security breaks down, the entire system falls apart). And peppers fi...
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Removing MySQL 5.7 Completely [closed]

I am trying to uninstall mysql from my ubuntu 12.04 completely. But not able to. 3 Answers ...
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SQLAlchemy: What's the difference between flush() and commit()?

... A Session object is basically an ongoing transaction of changes to a database (update, insert, delete). These operations aren't persisted to the database until they are committed (if your program aborts for some reason in mid-session transaction, any...
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What is the best data type to use for money in C#?

...d to floating-point types, the decimal type has more precision and a smaller range, which makes it appropriate for financial and monetary calculations. You can use a decimal as follows: decimal myMoney = 300.5m; sh...