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Handling an empty UITableView. Print a friendly message

I have a UITableView that in some cases it is legal to be empty. So instead of showing the background image of the app, I would prefer to print a friendly message in the screen, such as: ...
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How can I reverse a NSArray in Objective-C?

...ed copy of an array, look at danielpunkass' solution using reverseObjectEnumerator. For reversing a mutable array, you can add the following category to your code: @implementation NSMutableArray (Reverse) - (void)reverse { if ([self count] <= 1) return; NSUInteger i = 0; NS...
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Can media queries resize based on a div element instead of the screen?

I would like to use media queries to resize elements based on the size of a div element they are in. I cannot use the screen size as the div is just used like a widget within the webpage, and its size can vary. ...
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How do I write JSON data to a file?

... Do you mean json.dump or json.dumps? – TerminalDilettante Aug 13 '15 at 14:46 161 ...
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Create JSON object dynamically via JavaScript (Without concate strings)

... {}; columnsResult.forEach(function(column) { var columnName = column.metadata.colName; jsonData[columnName] = column.value; }); viewData.employees.push(jsonData); } share | ...
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Redefine tab as 4 spaces

My current setting assumes 8 spaces; how could I redefine it? 11 Answers 11 ...
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ReactJS - Does render get called any time “setState” is called?

Does React re-render all components and sub components every time setState() is called? 7 Answers ...
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When are you supposed to use escape instead of encodeURI / encodeURIComponent?

...of legacy usage would be removed from this specification. ... ... Programmers should not use or assume the existence of these features and behaviours when writing new ECMAScript code.... Behaviour: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/escape Special ...
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How can I get Maven to stop attempting to check for updates for artifacts from a certain group from

...d maybe ten applications which use them. All of these items live in the namespace com.mycompany.* . 6 Answers ...
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Adding IN clause List to a JPA Query

I have built a NamedQuery that looks like this: 4 Answers 4 ...