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Cancellation token in Task constructor: why?

Certain System.Threading.Tasks.Task constructors take a CancellationToken as a parameter: 4 Answers ...
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How do I use Node.js Crypto to create a HMAC-SHA1 hash?

... Documentation for crypto: http://nodejs.org/api/crypto.html const crypto = require('crypto') const text = 'I love cupcakes' const key = 'abcdeg' crypto.createHmac('sha1', key) .update(text) .digest('hex') ...
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C++11 range based loop: get item by value or reference to const

Reading some examples of range based loops they suggest two main ways 1, 2, 3, 4 4 Answers ...
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Getting individual colors from a color map in matplotlib

If you have a Colormap cmap , for example: 4 Answers 4 ...
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How to get last items of a list in Python?

I need the last 9 numbers of a list and I'm sure there is a way to do it with slicing, but I can't seem to get it. I can get the first 9 like this: ...
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How to declare a global variable in a .js file

...bles in global.js outside a function scope: // global.js var global1 = "I'm a global!"; var global2 = "So am I!"; // other js-file function testGlobal () { alert(global1); } To make sure that this works you have to include/link to global.js before you try to access any variables defined in t...
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How to make join queries using Sequelize on Node.js

I am using sequelize ORM; everything is great and clean, but I had a problem when I use it with join queries. I have two models: users and posts. ...
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Can you break from a Groovy “each” closure?

Is it possible to break from a Groovy .each{Closure} , or should I be using a classic loop instead? 6 Answers ...
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After array_filter(), how can I reset the keys to go in numerical order starting at 0

I just used array_filter to remove entries that had only the value '' from an array, and now I want to apply certain transformations on it depending on the placeholder starting from 0, but unfortunately it still retains the original index. I looked for a while and couldn't see anything, perhaps I j...
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How to understand Locality Sensitive Hashing?

I noticed that LSH seems a good way to find similar items with high-dimension properties. 6 Answers ...