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How to check whether a string contains a substring in JavaScript?

...0) return 0; // Immediate match // Compute longest suffix-prefix table var lsp = [0]; // Base case for (var i = 1; i < pattern.length; i++) { var j = lsp[i - 1]; // Start by assuming we're extending the previous LSP while (j > 0 && pattern.charAt(i) != pattern...
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Lodash - difference between .extend() / .assign() and .merge()

...d try to map child object properties from source to destination. So essentially we merge object hierarchy from source to destination. While for extend/assign, it's simple one level copy of properties from source to destination. Here's simple JSBin that would make this crystal clear: http://jsbin.co...
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How to configure port for a Spring Boot application

...TS 4 it is at run -> run configurations -> main, then scroll down to Table with Parameter Name and Value – serv-inc Apr 28 '19 at 13:00 add a comment  ...
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How do you easily horizontally center a using CSS? [duplicate]

...nd IE9 is completely destroyed ;) Check the current Browser compatibility table for flexbox Single element .container { display: flex; justify-content: center; } <div class="container"> <img src="http://placehold.it/100x100"> </div> Multiple elements but c...
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Received fatal alert: handshake_failure through SSLHandshakeException

... server's certificate is probably not trusted by the client. This would usually result in a more verbose error, but it is quite possible. Usually the fix is to import the server's CA certificate into the client's trust store. The cerificate is issued for a different domain. Again, this would have re...
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vbscript output to console

...aples - Not w/ the stock WScript.Echo. I suppose, if you wanted to stay totally within WScript you could do something horrifyingly dodgy like Exec'ing off another process to do a "SendKeys" to the parent process to close the MessageBox. – Evan Anderson Jun 22 '...
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Principal component analysis in Python

... Months later, here's a small class PCA, and a picture: #!/usr/bin/env python """ a small class for Principal Component Analysis Usage: p = PCA( A, fraction=0.90 ) In: A: an array of e.g. 1000 observations x 20 variables, 1000 rows x 20 colum...
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Can a decorator of an instance method access the class?

I have something roughly like the following. Basically I need to access the class of an instance method from a decorator used upon the instance method in its definition. ...
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SQL Logic Operator Precedence: And and Or

... Query to show a 3-variable boolean expression truth table : ;WITH cteData AS (SELECT 0 AS A, 0 AS B, 0 AS C UNION ALL SELECT 0,0,1 UNION ALL SELECT 0,1,0 UNION ALL SELECT 0,1,1 UNION ALL SELECT 1,0,0 UNION ALL SELECT 1,0,1 UNION ALL SELECT 1,1,0 UNION ALL SELECT 1,1,1 ) SELEC...
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Bitwise operation and usage

...its input is 0, otherwise it's 0. These can often be best shown as truth tables. Input possibilities are on the top and left, the resultant bit is one of the four (two in the case of NOT since it only has one input) values shown at the intersection of the inputs. AND | 0 1 OR | 0 1 XOR |...