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How to know if user is logged in with passport.js?

I've been reading passport.js info and samples for two days, but I'm not sure after that I did all the process of authenticating. ...
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List distinct values in a vector in R

... postfix: "", imageUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
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How to npm install to a specified directory?

...efix option. Is there a way to have package.json in the current directory and install to the alternate directory ? – user2258887 Jun 4 '15 at 19:30 ...
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Do fragments really need an empty constructor?

... constructor anyway. You should have a newInstance() static method defined and pass any parameters via arguments (bundle) For example: public static final MyFragment newInstance(int title, String message) { MyFragment f = new MyFragment(); Bundle bdl = new Bundle(2); bdl.putInt(EXTRA_T...
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Is AngularJS just for single-page applications (SPAs)?

...ooking at options to build the front end of an application we are creating and are trying to evaluate a tool that will work for us and give us the best platform to move forward. ...
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.NET HttpClient. How to POST string value?

How can I create using C# and HttpClient the following POST request: 5 Answers 5 ...
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ElasticSearch - Return Unique Values

How would I get the values of all the languages from the records and make them unique. 5 Answers ...
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What is the effect of encoding an image in base64?

...tring its becoming 500kb.Its not 37%.I have compressed a 5mb image to 70kb and then convert that compressed image to string that become 500kb. – KJEjava48 Apr 19 '17 at 6:05 ...
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Build vs new in Rails 3

...rm.client.new is creating a new Client object from the clients collection, and so it can automatically set the firm_id to some_firm.id, whereas the docs are calling Client.new which has no knowledge of any Firm's id at all, so it needs the firm_id passed to it. The only difference between some_firm...
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“icon-bar” in twitter bootstrap navigation bar

I cannot understand what the following code means in terms of icon-bar : 3 Answers 3 ...