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How can I get useful error messages in PHP?

...-------------------------------- ini_set('display_errors', 'On'); ini_set('html_errors', 0); // ---------------------------------------------------------------------------------------------------- // - Error Reporting // ------------------------------------------------------------------------------...
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What does -1 mean in numpy reshape?

...e info. https://docs.scipy.org/doc/numpy/reference/generated/numpy.reshape.html for the below example you mentioned the output explains the resultant vector to be a single row.(-1) indicates the number of rows to be 1. if the a = numpy.matrix([[1, 2, 3, 4], [5, 6, 7, 8]]) b = numpy.reshape(a, -1)...
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add column to mysql table if it does not exist

...ers can be found at http://dev.mysql.com/doc/refman/5.0/en/declare-handler.html share | improve this answer | follow | ...
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Mysql - How to quit/exit from stored procedure

...n this subject, check out: https://dev.mysql.com/doc/refman/5.5/en/signal.html How to raise an error within a MySQL function http://www.databasejournal.com/features/mysql/mysql-error-handling-using-the-signal-and-resignal-statements.html Addendum As I'm re-reading this post of mine, I realized ...
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Inner text shadow with CSS

...e-two/ Clipping and Masking with SVG Text: http://www.w3.org/TR/SVG/text.html#TextElement share | improve this answer | follow | ...
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Does Typescript support the ?. operator? (And, what's it called?)

... https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html#optional-chaining I can't find any reference to it whatsoever in the TypeScript language specification. As far as what to call this operator in CoffeeScript, it's called the existential operator (specifically, the "acc...
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CSS two divs next to each other

...ut if the right div is set as float:right;, then it must come first in the HTML source. This breaks the left-to-right read order, which could be confusing if the page is displayed with styles turned off. If that's the case, it might be better to use a wrapper div and absolute positioning: <div i...
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Text overflow ellipsis on two lines

...tion that accomplishes exactly what you seek. (Click to View on CodePen) HTML: <div class="ellipsis"> <div> <p> Call me Ishmael. Some years ago – never mind how long precisely – having little or no money in my purse, and nothing particular...
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Transmitting newline character “\n”

...ostfix: "", 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 9.17788C...
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How to Display blob (.pdf) in an AngularJS app

... I use AngularJS v1.3.4 HTML: <button ng-click="downloadPdf()" class="btn btn-primary">download PDF</button> JS controller: 'use strict'; angular.module('xxxxxxxxApp') .controller('xxxxController', function ($scope, xxxxServicePD...