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Clojure: reduce vs. apply

... the ultimate result returned) for associative functions which need to see all their arguments in the variable-arity case. When they are result-wise equivalent, I'd say that apply is always perfectly idiomatic, while reduce is equivalent -- and might shave off a fraction of a blink of an eye -- in a...
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?

...t;> A + B Counter({'c': 7, 'b': 5, 'd': 5, 'a': 1}) Counters are basically a subclass of dict, so you can still do everything else with them you'd normally do with that type, such as iterate over their keys and values. ...
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Change the Target Framework for all my projects in a Visual Studio Solution

I need to change the target framework for all projects. I have many solutions with hundreds of projects. 10 Answers ...
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angularJS: How to call child scope function in parent scope

... , each thing must be used carefully, that is for sure.. Some prefer using services in similar cases. Anyway , i added more elegant version (without annoying $parent) – Cherniv Aug 30 '14 at 13:54 ...
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Database sharding vs partitioning

...databases. Sharding is one specific type of partitioning, part of what is called horizontal partitioning. Here you replicate the schema across (typically) multiple instances or servers, using some kind of logic or identifier to know which instance or server to look for the data. An identifier of th...
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Hidden Features of C#? [closed]

... This isn't C# per se, but I haven't seen anyone who really uses System.IO.Path.Combine() to the extent that they should. In fact, the whole Path class is really useful, but no one uses it! I'm willing to bet that every production app has the following code, even though it shoul...
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Using msbuild to execute a File System Publish Profile

... Found the answer here: http://www.digitallycreated.net/Blog/59/locally-publishing-a-vs2010-asp.net-web-application-using-msbuild Visual Studio 2010 has great new Web Application Project publishing features that allow you to easy publish your web app project ...
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Pythonic way to combine FOR loop and IF statement

...>>> xyz = [0, 12, 4, 6, 242, 7, 9] >>> >>> known_things = sorted(set(a.iterkeys()).intersection(xyz)) >>> unknown_things = sorted(set(xyz).difference(a.iterkeys())) >>> >>> for thing in known_things: ... print 'I know about', a[thing] ... I k...
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Could not load NIB in bundle

... Additionally, if you are using alloc init, instead of initWithNibName:bunle:, what you will get is a black screen. – Robert Childan Apr 20 '12 at 8:36 ...
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How to get notified about changes of the history via history.pushState?

...); } // ... whatever else you want to do // maybe call onhashchange e.handler return pushState.apply(history, arguments); }; })(window.history); Your jsfiddle becomes: window.onpopstate = history.onpushstate = function(e) { ... } You can monkey-patch window.h...