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What does [object Object] mean?

...whichIsVisible()[0].id); to print the element's ID. As mentioned in the comments, you should use the tools included in browsers like Firefox or Chrome to introspect objects by doing console.log(whichIsVisible()) instead of alert. Sidenote: IDs should not start with digits. ...
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What is the difference between “word-break: break-all” versus “word-wrap: break-word” in CSS

... uses CLK text as an example, but that is not its sole intended use. It is common to use word-break in conjunction with long strings (such as URLs or lines of code) when you want them to break at the container width — especially if the container is a pre element or table cell where the word-wrap p...
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Creating an abstract class in Objective-C

...a class as abstract, just don't use it without subclassing it. There is no compile-time enforcement that prevents instantiation of an abstract class, however. In fact, there is nothing to stop a user from providing implementations of abstract methods via a category (i.e. at runtime). You can force a...
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When to use virtual destructors?

... make the base class destructor protected and nonvirtual; by doing so, the compiler won't let you call delete on a base class pointer. You can learn more about virtuality and virtual base class destructor in this article from Herb Sutter. ...
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What's better at freeing memory with PHP: unset() or $var = null

... edited Jun 20 at 9:12 Community♦ 111 silver badge answered Feb 25 '09 at 6:50 VonCVonC ...
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git difftool, open all diff files immediately, not in serial

...sed on that email thread which performs a directory diff between arbitrary commits. Starting with git v1.7.10, the git-diffall script is included in the contrib of the standard git installation. For versions before v1.7.10, you can install from the git-diffall project on GitHub. Here is the pro...
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Adding local .aar files to Gradle build using “flatDirs” is not working

...app') add the following (in the dependencies section): dependencies { compile project(':Name-Of-Your-Project') } Note Name-Of-Your-Project should match the name of the folder that was added after you imported the AAR file (at the same level as app/.idea under the top most level folder). Or to...
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What are valid values for the id attribute in HTML?

... edited Dec 11 '19 at 18:26 Community♦ 111 silver badge answered Sep 17 '08 at 1:42 dgviddgvid ...
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How do I replace a character at a particular index in JavaScript?

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How to make connection to Postgres via Node.js

...se. The interface in node.js that I used can be found here https://github.com/brianc/node-postgres var pg = require('pg'); var conString = "postgres://YourUserName:YourPassword@localhost:5432/YourDatabase"; var client = new pg.Client(conString); client.connect(); //queries are queued and execute...