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Is there a “not in” operator in JavaScript for checking object properties?

...id is an variable that could have any value, 'id' is a string with the two letters i and d, so hasOwnProperty(id) checks if the property specified in the variable id exists, and hasOwnProperty('id') checks if there is a property named id. – some May 17 '18 at 1...
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Can someone copyright a SQL query? [closed]

...nymous? I find the strong comments very interesting. Seems to have hit a raw nerve. – Ash Dec 5 '09 at 3:24 add a comment  |  ...
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How to document a string type in jsdoc with limited possible values

...ow it is created and the restriction is done when the value is created. A raw number can not be assigned which is all you need. – John Oct 15 '13 at 16:01 add a comment ...
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How do I use itertools.groupby()?

...wo lists Compression algorithm (see notebook)/Run Length Encoding Grouping letters by length, key function (see notebook) Consecutive values over a threshold (see notebook) Find ranges of numbers in a list or continuous items (see docs) Find all related longest sequences Take consecutive sequences t...
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How to add text inside the doughnut chart using Chart.js?

...s a default max font size of 75px in case there is not enough text and the lettering would be too big. This is the plugin code Chart.pluginService.register({ beforeDraw: function(chart) { if (chart.config.options.elements.center) { // Get ctx from string var ctx = chart.chart.ctx...
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How do I output coloured text to a Linux terminal?

...s followed by [, then zero or more numbers separated by ;, and finally the letter m. The numbers describe the colour and format to switch to from that point onwards. The codes for foreground and background colours are: foreground background black 30 40 red 31 ...
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PHP: How to handle

... This is working perfect for me. $content = simplexml_load_string( $raw_xml , null , LIBXML_NOCDATA ); share | improve this answer | follow | ...
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Is there a standard for storing normalized phone numbers in a database?

...l representation for advertising or other purposes) and that in the US the letters map to the numbers differently than in Germany. You may also want to store the entire number separately as a text field (with internationalization) so you can go back later and re-parse numbers as things change, or a...
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How to handle static content in Spring MVC?

...think I have found a solution to your problem: I had the same issue where raw output was shown with no css styles, javascripts or jquery files found. I just added mappings to the "default" servlet. The following was added to the web.xml file: <servlet-mapping> <servlet-name>default...
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How can I check for “undefined” in JavaScript? [duplicate]

... now!"); }; Bottom line, the "it can be redefined" argument to not use a raw === undefined is bogus. (If you are still scared of undefined being redefined, why are you blindly integrating untested library code into your code base? Or even simpler: a linting tool.) Also, like the typeof approa...