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What is hashCode used for? Is it unique?

...r is based on the System.Collections.IEqualityComparer interface. Basically, hash codes exist to make hashtables possible. Two equal objects are guaranteed to have equal hashcodes. Two unequal objects are not guaranteed to have unequal hashcodes (that's called a collision). ...
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How to perform static code analysis in php? [closed]

... PHP-CS-Fixer phan Lower-level analyzers include: PHP_Parser token_get_all (primitive function) Runtime analyzers, which are more useful for some things due to PHPs dynamic nature, include: Xdebug has code coverage and function traces. My PHP Tracer Tool uses a combined static/dynamic approa...
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Eclipse count lines of code

I've tried the Metrics plugin and although it's nice and all, it's not what my boss is looking for. It counts a line with just one } as a line and he doesn't want that to count as "its not a line, its a style choice". I also need to generate some form of report about the metrics provided. Are th...
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Entity Framework Join 3 Tables

.... I have the exact scenario but the query throws an exception [the_list_of_all_return_variables]' cannot be serialized . @marcinJuraszek - Could you have a look at stackoverflow.com/questions/42453123/… – sandiejat Feb 25 '17 at 7:15 ...
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SQL Server Restore Error - Access is Denied

I created a database on my local machine and then did a backup called tables.bak of table DataLabTables . 19 Answers ...
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Current location permission dialog disappears too quickly

...rdinates , and provides a distance to or from their destination or origin. All these possible destinations are shown in a table view, so I'm getting the users co-ordinates at the same time as populating the table. The only thing is, the alert view that asks for the users location appears then disapp...
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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?

...way to go (as opposed to articles like this)? I see you're trying to vertically center the element, so why do you have to set margin-top:-8px; and not margin-top:-50%;? Well, vertical centering in CSS is harder than it should be. When setting even top or bottom margins in %, the value is calculated...
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jQuery SVG vs. Raphael [closed]

...en and documented. Lots of examples and demos. Supports most SVG elements, allows native access to elements easily Cons: architecture not as extensible as Raphael. Some things could be better documented (like configure of SVG element). Doesn't do great w/ editing of already existing elements. Relie...
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What is “git remote add …” and “git push origin master”?

..., git is a distributed version control system. Most operations are done locally. To communicate with the outside world, git uses what are called remotes. These are repositories other than the one on your local disk which you can push your changes into (so that other people can see them) or pull from...
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jQuery set checkbox checked

I already tried all the possible ways, but I still didn't get it working. I have a modal window with a checkbox I want that when the modal opens, the checkbox check or uncheck should be based on a database value. (I have that already working with others form fields.) I started trying to get it c...