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How to change language settings in R

...env() function. My R session defaults to English, so I'll set it to French and then back again: > Sys.setenv(LANG = "fr") > 2 + x Erreur : objet 'x' introuvable > Sys.setenv(LANG = "en") > 2 + x Error: object 'x' not found A list of the abbreviations can be found here. Sys.getenv() g...
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erb, haml or slim: which one do you suggest? And why? [closed]

I am learning Rails and I have seen these template engines. I have no experience with them (only erb). 5 Answers ...
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What are advantages of Artificial Neural Networks over Support Vector Machines? [closed]

ANN (Artificial Neural Networks) and SVM (Support Vector Machines) are two popular strategies for supervised machine learning and classification. It's not often clear which method is better for a particular project, and I'm certain the answer is always "it depends." Often, a combination of both alon...
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How to see the changes in a Git commit?

When I do git diff COMMIT I see the changes between that commit and HEAD (as far as I know), but I would like to see the changes that were made by that single commit. ...
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SSL certificate rejected trying to access GitHub over HTTPS behind firewall

...ith firewall/proxy thingies. There is a better way than using http access and that is to use the ssh service offered by github on port 443 of the ssh.github.com server. We use a tool called corkscrew. This is available for both CygWin (through setup from the cygwin homepage) and Linux using your f...
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Why am I getting ibtool failed with exit code 255?

... I had something similar happen to me recently using Xcode 4.6 and iOS 6.1. All I did was switch to a different device version (5.1) on the simulator and it ran. Switched back to 6.1 and it fixed itself. Xcode can be unhelpful at times. ...
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Creating Multifield Indexes in Mongoose / MongoDB

...xes in Mongoosejs. In particular I have two fields that need to be indexed and unique. What is an example mongoose schema that indexes two fields together? ...
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AngularJS: How can I pass variables between controllers?

... way to share variables across multiple controllers is to create a service and inject it in any controller where you want to use it. Simple service example: angular.module('myApp', []) .service('sharedProperties', function () { var property = 'First'; return { getP...
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Safely remove migration In Laravel

In Laravel, there appears to be a command for creating a migration, but not removing. 9 Answers ...
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Datetime - Get next tuesday

...day, you can use: // This finds the next Monday (or today if it's Monday) and then adds a day... so the // result is in the range [1-7] int daysUntilTuesday = (((int) DayOfWeek.Monday - (int) today.DayOfWeek + 7) % 7) + 1; ... or you could use the original formula, but from tomorrow: DateTime to...