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Is it possible to have empty RequestParam values use the defaultValue?

... You could change the @RequestParam type to an Integer and make it not required. This would allow your request to succeed, but it would then be null. You could explicitly set it to your default value in the controller method: @RequestMapping(value = "/test", method = Req...
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How can I produce an effect similar to the iOS 7 blur view?

... I disagree with crizzwald. I don't think that's a good interpretation of the rules of expectation of what APple will do. – Andrew Johnson Sep 1 '13 at 22:10 117...
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Maintain model of scope when changing between views in AngularJS

...ave a model. the model ONLY has data - no functions -. That way it can be converted back and forth from JSON to persist it. I used the html5 localstorage for persistence. Lastly i used window.onbeforeunload and $rootScope.$broadcast('saveState'); to let all the services know that they should save...
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\d is less efficient than [0-9]

...ilder(); for(UInt16 i = 0; i < UInt16.MaxValue; i++) { string str = Convert.ToChar(i).ToString(); if (Regex.IsMatch(str, @"\d")) sb.Append(str); } Console.WriteLine(sb.ToString()); Which generates: 0123456789٠١٢٣٤٥٦٧٨٩۰۱۲۳۴۵۶۷۸۹߀߁߂߃߄߅߆߇߈߉०१...
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Difference between res.send and res.json in Express.js

... are identical when an object or array is passed, but res.json() will also convert non-objects, such as null and undefined, which are not valid JSON. The method also uses the json replacer and json spaces application settings, so you can format JSON with more options. Those options are set like so:...
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Why is there no String.Empty in Java?

...tringBuilder (or StringBuffer if you want to be thread-safe) and turn that into a String. Update From your comment to the question: What inspired this is actually TextBox.setText(""); I believe it would be totally legitimate to provide a constant in your appropriate class: private static f...
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What are the differences between numpy arrays and matrices? Which one should I use?

...at the expense of the other, since np.asmatrix and np.asarray allow you to convert one to the other (as long as the array is 2-dimensional). There is a synopsis of the differences between NumPy arrays vs NumPy matrixes here. ...
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Python multiprocessing pool.map for multiple arguments

...freeze_support def func(a, b): print a, b def func_star(a_b): """Convert `f([1,2])` to `f(1,2)` call.""" return func(*a_b) def main(): pool = Pool() a_args = [1,2,3] second_arg = 1 pool.map(func_star, itertools.izip(a_args, itertools.repeat(second_arg))) if __name__==...
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How can I check if a URL exists via PHP?

...ResponseCode_using_curl($url, $followredirects = true){ // returns int responsecode, or false (if url does not exist or connection timeout occurs) // NOTE: could potentially take up to 0-30 seconds , blocking further code execution (more or less depending on connection, target site, ...
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Javascript: How to detect if browser window is scrolled to bottom?

... This works window.onscroll = function() { // @var int totalPageHeight var totalPageHeight = document.body.scrollHeight; // @var int scrollPoint var scrollPoint = window.scrollY + window.innerHeight; // check if we hit the bottom of the page if(scrollPo...