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Adding div element to body or document in JavaScript

...0%;opacity:0.3;z-index:100;background:#000;"></div>'; Edit:- Ideally you should use body.appendChild method instead of changing the innerHTML var elem = document.createElement('div'); elem.style.cssText = 'position:absolute;width:100%;height:100%;opacity:0.3;z-index:100;background:#000';...
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Union of dict objects in Python [duplicate]

...yptic, and it immediately makes most readers balk and the remainder assume all the keys in x would have to be legal parameter names. IMHO, the fact it works is a bug in the name-checking mechanisms in the implementation. What happens when you rely on bugs? They either get fixed, or become politic...
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Regular expressions in an Objective-C Cocoa application

...ers). – Adam Wright Jan 7 '09 at 21:32 Any disadvantages to mixing straight C with Objective-C? Could you maybe inclu...
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JavaScript function order: why does it matter?

JSHint complains when my JavaScript calls a function that is defined further down the page than the call to it. However, my page is for a game, and no functions are called until the whole thing has downloaded. So why does the order functions appear in my code matter? ...
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Access denied for user 'root@localhost' (using password:NO)

... @Bozho - I follow the instruction aand create a text file and call it from the mentioned command, after that I face with 100608 [warning] --default-character-set is deprecated and will be removed in a future release. please use --character-set-server instead .----------------------------...
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Changing MongoDB data store directory

... The short answer is that the --dbpath parameter in MongoDB will allow you to control what directory MongoDB reads and writes it's data from. mongod --dbpath /usr/local/mongodb-data Would start mongodb and put the files in /usr/local/mongodb-data. Depending on your distribution and...
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How to prevent http file caching in Apache httpd (MAMP)

...d this? Should work in both .htaccess, httpd.conf and in a VirtualHost (usually placed in httpd-vhosts.conf if you have included it from your httpd.conf) <filesMatch "\.(html|htm|js|css)$"> FileETag None <ifModule mod_headers.c> Header unset ETag Header set Cache-Control "m...
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A Regex that will never be matched by anything

... This is actually quite simple, although it depends on the implementation / flags*: $a Will match a character a after the end of the string. Good luck. WARNING: This expression is expensive -- it will scan the entire line, find the en...
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How to specify maven's distributionManagement organisation wide?

...s to create a simple parent pom file project (with packaging 'pom') generically for all projects from your organization. <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="...
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Using relative URL in CSS file, what location is it relative to?

... if your css is in a bundle the path really doesn't matter. It's not where you think it's going to be, nothing is relative anymore. – Tod Mar 15 '18 at 14:44 ...