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How do I switch between the header and implementation file in Xcode 4?

... For a company that prides itself on usability and ease-of-use; how can Apple manage to make XCode so confusing to work with. No, this is not a rant; it's an honest comment: does Apple not value the developers who work on Mac...
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What is the difference between precision and scale?

... ERROR at line 1: ORA-01438: value larger than specified precision allowed for this column 21:52:32 CB900@ASCEND1 > select version from v$instance; VERSION --------------------------------------------------- 12.1.0.2.0 ` – Phalgun Jun 25 '17 at 11:58 ...
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How to show first commit by 'git log'?

...The git.git repository has six root commits in its history graph (one each for Linus’s initial commit, gitk, some initially separate tools, git-gui, gitweb, and git-p4). In this case, we know that e83c516 is the one we are probably interested in. It is both the earliest commit and a root commit. ...
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JsonMappingException: No suitable constructor found for type [simple type, class ]: can not instanti

... //constructor Code } } There was a custom constructor defined for the class making it the default constructor. Introducing a dummy constructor has made the error to go away: public class ApplesDO { private String apple; public String getApple() { return apple; } ...
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Overriding the java equals() method - not working?

... The ArrayList uses overridden equals() methods to compare contents (e.g. for its contains() and equals() methods), not overloaded ones. In most of your code, calling the one that didn't properly override Object's equals was fine, but not compatible with ArrayList. So, not overriding the method co...
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Javascript Thousand Separator / string format [duplicate]

Is there any function in Javascript for formatting number and strings ? 15 Answers 15 ...
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How do I select text nodes with jQuery?

... jQuery doesn't have a convenient function for this. You need to combine contents(), which will give just child nodes but includes text nodes, with find(), which gives all descendant elements but no text nodes. Here's what I've come up with: var getTextNodesIn = func...
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How to programmatically disable page scrolling with jQuery

...is is similar to what you described: Grab current scroll position (don't forget horizontal axis!). Set overflow to hidden (probably want to retain previous overflow value). Scroll document to stored scroll position with scrollTo(). Then when you're ready to allow scrolling again, undo all that. ...
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UIButton custom font vertical alignment

... in UILabel. There was no solution given. Here's the solution that worked for my custom font which had the same issue in UILabel, UIButton and such. The problem with the font turned out to be the fact that its ascender property was too small compared to the value of system fonts. Ascender is a vert...
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JPA eager fetch does not join

...can be fetched in any one of the ways given below SELECT => one query for root entities + one query for related mapped entity/collection of each root entity = (n+1) queries SUBSELECT => one query for root entities + second query for related mapped entity/collection of all root entities retri...