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Why is it wrong to use std::auto_ptr with standard containers?
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Test whether string is a valid integer
...ve numbers), followed by one or more decimal digits.
References:
http://www.tldp.org/LDP/abs/html/bashver3.html#REGEXMATCHREF
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How to validate an OAuth 2.0 access token for a resource server?
...come up with one such approach for our commercial OAuth AS (PingFederate): https://support.pingidentity.com/s/document-item?bundleId=pingfederate-93&topicId=lzn1564003025072.html#lzn1564003025072__section_N10578_N1002A_N10001. It uses REST based interaction for this that is very complementary t...
Why are there two kinds of functions in Elixir?
I'm learning Elixir and wonder why it has two types of function definitions:
8 Answers
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Can I use require(“path”).join to safely concatenate urls?
...e case where it doesn't work, etc., you could use this package.
url-join
https://github.com/jfromaniello/url-join
Install
npm install url-join
Usage
var urljoin = require('url-join');
var fullUrl = urljoin('http://www.google.com', 'a', '/b/cd', '?foo=123');
console.log(fullUrl);
Prints:
'...
How do I compute derivative using Numpy?
How do I calculate the derivative of a function, for example
8 Answers
8
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CSS: bolding some text without changing its container's size
...hat text rendering on Mac offers.. :)
http://jsfiddle.net/85LbG/
Credit: https://stackoverflow.com/a/20249560/5061744
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How to sum a variable by group
...
Using aggregate:
aggregate(x$Frequency, by=list(Category=x$Category), FUN=sum)
Category x
1 First 30
2 Second 5
3 Third 34
In the example above, multiple dimensions can be specified in the list. Multiple aggregated metrics of the same data type can be incorporated via cbind:
ag...
How get integer value from a enum in Rails?
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Asserting successive calls to a mock method
...ll(3)]
>>> mock.assert_has_calls(calls, any_order=True)
Source: https://docs.python.org/3/library/unittest.mock.html#unittest.mock.Mock.assert_has_calls
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