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Unable to locate tools.jar

... Add JAVA_HOME and the /bin directory to your path. You realize that this answer is two years old, right? – duffymo Jul 23 '13 at 12:52 ...
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How to stop unwanted UIButton animation on title change?

... This works for custom buttons: [UIView setAnimationsEnabled:NO]; [_button setTitle:@"title" forState:UIControlStateNormal]; [UIView setAnimationsEnabled:YES]; For system buttons you need to add this before re-enabling animations (thank you @Klaas): [_button layoutIfNeeded]; ...
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Check image width and height before upload with Javascript

... The file is just a file, you need to create an image like so: var _URL = window.URL || window.webkitURL; $("#file").change(function (e) { var file, img; if ((file = this.files[0])) { img = new Image(); var objectUrl = _URL.createObjectURL(file); img.onload = ...
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How to Convert all strings in List to lower case using LINQ?

... Easiest approach: myList = myList.ConvertAll(d => d.ToLower()); Not too much different than your example code. ForEach loops the original list whereas ConvertAll creates a new one which you need to reassign. ...
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How to make a class conform to a protocol in Swift?

...aSource' Is expected. You will get the error until your class implements all required methods of the protocol. So get coding :) share | improve this answer | follow ...
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onCreateOptionsMenu inside Fragments

...nsMenu(Menu menu, MenuInflater inflater) { inflater.inflate(R.menu.menu_sample, menu); super.onCreateOptionsMenu(menu,inflater); } And in onCreate add this line to make the options appear in your Toolbar setHasOptionsMenu(true); ...
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In Eclipse, what can cause Package Explorer “red-x” error-icon when all Java sources compile without

I'm using Eclipse for Java development. All my sources compile fine and the resulting application compiles fine. However, I keep getting an "red-x" error notification in the Package Explorer. ...
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Create a dictionary on a list with grouping

...vert it to a dictionary, as follows: Dim qry = (From acs In ActualSales _ Group By acs.ProductID Into Group _ Select ProductID, Months = Group.ToDictionary(Function(c) c.Period) _ ).ToDictionary(Function(c) c.ProductID) The resulting query can be used as fo...
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How do I format a date in Jinja2?

...and print) the strftime() method in your template, for example {{ car.date_of_manufacture.strftime('%Y-%m-%d') }} Another, sightly better approach would be to define your own filter, e.g.: from flask import Flask import babel app = Flask(__name__) @app.template_filter() def format_datetime(val...
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Templated check for the existence of a class member function?

... Although, I used the following for 'one' and 'two': typedef char Small; class Big{char dummy[2];} to ensure no ambiguity about platform dependent variable size. – user23167 Nov 2 '08 at 21:40 ...