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map function for objects (instead of arrays)

...otype-chain. In such cases Object.keys() won't work, because Object.keys() does not enumerate inherited properties. If you need to map inherited properties, you should use for (key in myObj) {...}. Here is an example of an object which inherits the properties of another object and how Object.keys()...
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How often to commit changes to source control? [closed]

... The probability of breaking the build with such an approach does not grow if you use a distributed version control system. – skiphoppy Apr 1 '09 at 2:24 24 ...
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Is there any performance reason to declare method parameters final in Java?

... The final keyword does not appear in the class file for local variables and parameters, thus it cannot impact the runtime performance. It's only use is to clarify the coders intent that the variable not be changed (which many consider dubious...
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StringLength vs MaxLength attributes ASP.NET MVC with Entity Framework EF Code First

... Also note that by default MVC 3 does not recognized MaxLengthAttribute, while EF does recognize StringLengthAttribute – marcind Apr 19 '11 at 18:09 ...
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time.sleep — sleeps thread or process?

In Python for *nix, does time.sleep() block the thread or the process? 7 Answers 7 ...
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How do I determine the size of my array in C?

... @Markus it works for any variable which has an array type; this doesn't have to be "on the stack". E.g. static int a[20]; . But your comment is useful to readers that may not realize the difference between an array and a pointer. – M.M Oct 6 '14 at ...
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How can I see what has changed in a file before committing to git?

...n current commit and index; that is, what you're about to commit (--staged does exactly the same thing, use what you like): git diff --cached [filename] Show differences between current commit and working tree: git diff HEAD [filename] git diff works recursively on directories, and if no paths ...
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How do I execute code AFTER a form has loaded?

... If in Load event handler there is a code that calls Application.DoEvents(), the Shown event fires before Load event handlers finished their execution. This is because Shown event is in fact put in a message queue using Form.BeginInvoke(ShownEvent) and DoEvents() forces it to fire before L...
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How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?

... [UIColor redColor]; } @end The method named loadNibNamed:owner:options: does exactly what it sounds like it does. It loads the Nib and sets the "File's Owner" property to self. We extract the first object in the array and that is the root view of the Nib. We add the view as a subview and Voila it...
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Replace only some groups with Regex

... I like this implementation but it does not replace multiple matches. I posted a version which does – Vladimir Jul 7 at 14:51 ...