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json.net has key method?
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JObject implements IDictionary<string, JToken>, so you can use:
IDictionary<string, J...
How to know if user is logged in with passport.js?
...sport.js info and samples for two days, but I'm not sure after that I did all the process of authenticating.
6 Answers
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Why do we use Base64?
...omputing.
Computers communicate in binary - 0s and 1s - but people typically want to communicate with more rich forms data such as text or images. In order to transfer this data between computers it first has to be encoded into 0s and 1s, sent, then decoded again. To take text as an example - the...
Is an array name a pointer?
..., which is not implicitly convertible to int*. This way, functions can actually take pointers to arrays of specific size, and enforce the restriction via the type system.
– Pavel Minaev
Oct 29 '09 at 7:25
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Why does CSS work with fake elements?
... Why doesn't my professor want me to use made-up elements?
They are not allowed by the HTML specification
They might conflict with future standard elements with the same name
There is probably an existing HTML element that is better suited to the task
Also; why didn't he know that made-up el...
Getting URL hash location, and using it in jQuery
...te that this property already contains the # symbol at the beginning.
Actually you don't need the :first pseudo-selector since you are using the ID selector, is assumed that IDs are unique within the DOM.
In case you want to get the hash from an URL string, you can use the String.substring method:...
How to use concerns in Rails 4
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So I found it out by myself. It is actually a pretty simple but powerful concept. It has to do with code reuse as in the example below. Basically, the idea is to extract common and / or context specific chunks of code in order to clean up the models and avoid them...
Where should I put tags in HTML markup?
...ace to put the <script> tags and included JavaScript? I seem to recall that you are not supposed to place these in the <head> section, but placing at the beginning of the <body> section is bad, too, since the JavaScript will have to be parsed before the page is rendered compl...
Git: Find the most recent common ancestor of two branches
...ed Acyclic Graph, and yet it's often thought of as a tree, which it technically is not. To be more careful in my wording, I was talking about the case where you want the parent of the first instance of the "branches" diverging... since they may have multiple points where they re-merged and re-split...
Is Fortran easier to optimize than C for heavy calculations?
... that Fortran is or can be faster then C for heavy calculations. Is that really true? I must admit that I hardly know Fortran, but the Fortran code I have seen so far did not show that the language has features that C doesn't have.
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