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How to negate a method reference predicate

...EmptyStrings = s.filter(notEmpty).count(); Or, if having a collection or array, just use a for-loop which is simple, has less overhead, and *might be **faster: int notEmpty = 0; for(String s : list) if(!s.isEmpty()) notEmpty++; *If you want to know what is faster, then use JMH http://openjdk.ja...
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Multiple models in a view

...yway if you would have 2 or 3 or more with same name you would just get an array with that name on the server side (if you put it in the params of the post action method) – Omu Jan 22 '11 at 10:58 ...
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How can I run code on a background thread on Android?

... How to store an array obtained from network to SQLite? Basically I would like to: get data from network AND save them to my SQLite - both in background thread, then get my UI notified to refresh ListView. I usually do it with IntentService...
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How to use onSavedInstanceState example please

... mAlreadyLoaded = true; GetStoryData();//Url Call } else { if (listArray != null) { //Data Array From JsonArray(ListArray) System.out.println("LocalData " + listArray); view.findViewById(R.id.progressBar).setVisibility(View.GONE); }else{ GetStoryData();//Url Cal...
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Confusion between numpy, scipy, matplotlib and pylab

...tplotlib.pyplot (for plotting) and numpy (for mathematics and working with arrays) in a single name space. Although many examples use pylab, it is no longer recommended. So, TL;DR; is do not use pylab, period. Use pyplot and import numpy separately as needed. Here is the link for further reading ...
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Sending a message to nil in Objective-C

...s say you have a method in Java which prints out all of the elements in an ArrayList: void foo(ArrayList list) { for(int i = 0; i < list.size(); ++i){ System.out.println(list.get(i).toString()); } } Now, if you call that method like so: someObject.foo(NULL); you're going to pro...
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AngularJs: How to check for changes in file input fields?

...ope, Upload) { $scope.onFileSelect = function($files) { //$files: an array of files selected, each file has name, size, and type. for (var i = 0; i < $files.length; i++) { var $file = $files[i]; Upload.upload({ url: 'my/upload/url', data: {file: $file} ...
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Rails Model, View, Controller, and Helper: what goes where?

... treats the model as it's data in the same way you might treat strings and arrays as data in objects outside of Rails). Here's a good video with an example of this technique. – Joshua Cheek Dec 15 '11 at 11:13 ...
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Is Java a Compiled or an Interpreted programming language ?

...tions? Libraries in C is option while in other languages you can't have an array object without a C binary extension that can be updated or be completely different code on another platform. The Scripting language will be able to run on both while the compiled language would need a different binary t...
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How can I print a circular structure in a JSON-like format?

...e, getCircularReplacer()); Seen values should be stored in a set, not in array (replacer gets called on every element) and there is no need to try JSON.stringify each element in the chain leading to a circular reference. Like in the accepted answer, this solution removes all repeating values, not...