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In Ruby, is there an Array method that combines 'select' and 'map'?

... I usually use map and compact together along with my selection criteria as a postfix if. compact gets rid of the nils. jruby-1.5.0 > [1,1,1,2,3,4].map{|n| n*3 if n==1} => [3, 3, 3, nil, nil, nil] jruby-1.5.0 > [1...
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When tracing out variables in the console, How to create a new line?

... In ES6/ES2015 you can use string literal syntax called template literals. Template strings use backtick character instead of single quote ' or double quote marks ". They also preserve new line and tab const roleName = 'test1'; const role_ID = 'test2'; const modal_ID ...
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Use of var keyword in C#

...Order>, ObservableCollection<Order> or BindingList<Order> - all I want is to keep that list in memory to iterate over it or get its count or something later on. Contrast the above declaration with: ObservableCollection<Order> orders = cust.Orders; To me, the type name is jus...
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Stream vs Views vs Iterators

... First, they are all non-strict. That has a particular mathematical meaning related to functions, but, basically, means they are computed on-demand instead of in advance. Stream is a lazy list indeed. In fact, in Scala, a Stream is a List wh...
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Git: Correct way to change Active Branch in a bare repository?

I have a bare repository that's used as the central store for my project. All the developers do git clone <repo> to share with it. When they do the clone, they get a checkout of the master branch (unless they do git clone -n ) because repo.git/HEAD contains ref: refs/heads/master , mak...
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Maven in Eclipse: step by step installation [closed]

...E packages do - look for "Maven support") Way 1: Maven Eclipse plugin installation step by step: Open Eclipse IDE Click Help -> Install New Software... Click Add button at top right corner At pop up: fill up Name as "M2Eclipse" and Location as "http://download.eclipse.org/technology/m2e/releas...
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Replacing .NET WebBrowser control with a better browser, like Chrome?

...ing based on Chromium it's blisteringly fast too. Grab it from NuGet: Install-Package CefSharp.Wpf or Install-Package CefSharp.WinForms Check out examples and give your thoughts/feedback/pull-requests: https://github.com/cefsharp/CefSharp BSD Licensed ...
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Delete a closed pull request from GitHub

I accidentally made a wrong pull request and ended up closing the request myself. It's in a closed state right now but it's accessible via direct URL and showing on my activity bar. ...
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Visual Studio replace tab with 4 spaces?

... You can edit this behavior in: Tools->Options->Text Editor->All Languages->Tabs Change Tab to use "Insert Spaces" instead of "Keep Tabs". Note you can also specify this per language if you wish to have different behavior in a specific language. ...
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Swift compiler error: “non-modular header inside framework module”

...n's Bridging Header, which behaves differently. The umbrella header is actually designated for mixed swift, obj-c framework and its purpose is exposing the APIs to the outer world that your framework has in objective-c or c. That means the headers we put there should be in the public scope. It sho...