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Why does make think the target is up to date?

...ve a file/directory named test in the directory. If this directory exists, and has no dependencies that are more recent, then this target is not rebuild. To force rebuild on these kind of not-file-related targets, you should make them phony as follows: .PHONY: all test clean Note that you can de...
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Set the maximum character length of a UITextField

...vely simple to get this functionality by setting the text field's delegate and implementing the following delegate method: Objective-C - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string { // Prevent crashing undo bug – s...
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What is the difference between Polymer elements and AngularJS directives?

... a new element. On to questions! What is the difference between Angular and Polymer? We covered some of this in our Q&A video. In general, Polymer is a library that aims to use (and show how to use) Web Components. Its foundation is Custom Elements (e.g. everything you build is a web compone...
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How do I instantiate a Queue object in java?

...on's is more clear. I will +1 this if you update it to mention concurrency and get rid of the code for anonymous classes... I think it makes the answer more confusing for someone that wants to know what to do because they almost surely don't want to do that. (Even if they wanted their own class, the...
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How to use font-awesome icons from node-modules

...t "node_modules/font-awesome/less/font-awesome.less", or look in that file and import just the components that you need. I think this is the minimum for basic icons: /* adjust path as needed */ @fa_path: "../node_modules/font-awesome/less"; @import "@{fa_path}/variables.less"; @import "@{fa_path}/m...
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In Functional Programming, what is a functor?

...al programming, but the authors typically assume the reader already understands the term. Looking around on the web has provided either excessively technical descriptions (see the Wikipedia article ) or incredibly vague descriptions (see the section on Functors at this ocaml-tutorial website ). ...
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How can I get the root domain URI in ASP.NET?

... HttpContext.Current.Request.Url can get you all the info on the URL. And can break down the url into its fragments. share | improve this answer | follow ...
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java.lang.OutOfMemoryError: Java heap space in Maven

...ven test, java.lang.OutOfMemoryError happens. I googled it for solutions and have tried to export MAVEN_OPTS=-Xmx1024m , but it did not work. Anyone know other solutions for this problem? I am using maven 3.0 ...
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How to delete a record in Django models?

...at is the case after DJango 1.4, but this is actually fetching all the PKs and then delete by those PKs. So eg if you delete by an arbitrary field, this can be way slower then the SQL counterpart... :( – Vajk Hermecz Mar 25 '14 at 16:22 ...
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Download JSON object as a file from browser

...em.click(); In this case, storageObj is the js object you want to store, and "scene.json" is just an example name for the resulting file. This approach has the following advantages over other proposed ones: No HTML element needs to be clicked Result will be named as you want it no jQuery needed...