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How to create fixed space and flexible space bar button items programmatically?

...onSystemItemFixedSpace target:nil action:nil]; fixedItem.width = 20.0f; // or whatever you want UIBarButtonItem *flexibleItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil]; ...
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Check if object value exists within a Javascript array of objects and if not add a new object to arr

...ve assumed that ids are meant to be unique here. some is a great function for checking the existence of things in arrays: const arr = [{ id: 1, username: 'fred' }, { id: 2, username: 'bill' }, { id: 3, username: 'ted' }]; function add(arr, name) { const { length } = arr; const id = len...
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How to optimize imports automatically after each save in IntelliJ IDEA

I want to learn how can I automatically optimize imports after each save as we do Eclipse( save actions ). 4 Answers ...
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How to include view/partial specific styling in AngularJS

What is the proper/accepted way to use separate stylesheets for the various views my application uses? 7 Answers ...
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Confirm deletion in modal / dialog using Twitter Bootstrap?

...table of rows tied to database rows. I'd like to have a "delete row" link for each row, but I would like to confirm with the user beforehand. ...
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How to copy a file to multiple directories using the gnu cp command

Is it possible to copy a single file to multiple directories using the cp command ? 22 Answers ...
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What is the proper way to check if a string is empty in Perl?

... For string comparisons in Perl, use eq or ne: if ($str eq "") { // ... } The == and != operators are numeric comparison operators. They will attempt to convert both operands to integers before comparing them. See the per...
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deleting rows in numpy array

...ld find the indices of the rows which have a 0 in them, put them in a list or a tuple and pass this as the second argument of the function. share | improve this answer | foll...
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Java Logging vs Log4J [closed]

Is it still worth to add the log4j library to a Java 5 project just to log let's say some exceptions to a file with some nice rollover settings. Or will the standard util.logging facility do the job as well? ...
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How can I use functional programming in the real world? [closed]

...ing state, but also because they can be easily parallelized automatically for you, without you having to worry about the thread count. ...