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How to use z-index in svg elements?

... fiddle : http://jsfiddle.net/hu2pk/3/ Update In SVG, z-index is defined by the order the element appears in the document. You can have a look to this page too if you want : https://stackoverflow.com/a/482147/1932751 share...
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How do you join on the same table, twice, in mysql?

... DOM_URL fields from both LEFT JOINS of the DOMAIN table, referencing them by the table alias for each joined in reference to the Domains table, and alias them as the ToURL and FromUrl. For more info about aliasing in SQL, read here. ...
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Foreign key constraints: When to use ON UPDATE and ON DELETE

...riggers.html MySQL triggers activate only for changes made to tables by SQL statements. They do not activate for changes in views, nor by changes to tables made by APIs that do not transmit SQL statements to the MySQL Server http://dev.mysql.com/doc/refman/5.6/en/stored-program-restrictions...
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Another Repeated column in mapping for entity error

... same goes for productId/product). You shouldn't reference other entities by their ID, but by a direct reference to the entity. Remove the customerId field, it's useless. And do the same for productId. If you want the customer ID of a sale, you just need to do this: sale.getCustomer().getId() ...
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Django queries - id vs pk

... 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 9.17788C46.1709 8.26454...
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Android: How to bind spinner to custom object list?

...le_spinner_item, users); mySpinner = (Spinner) findViewById(R.id.miSpinner); mySpinner.setAdapter(adapter); // Set the custom adapter to the spinner // You can create an anonymous listener to handle the event when is selected an spinner item mySpinner.setO...
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Delete a single record from Entity Framework?

... not necessary to query the object first, you can attach it to the context by its id. Like this: var employer = new Employ { Id = 1 }; ctx.Employ.Attach(employer); ctx.Employ.Remove(employer); ctx.SaveChanges(); Alternatively, you can set the attached entry's state to deleted : var employer = ne...
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In CSS what is the difference between “.” and “#” when declaring a set of styles?

... "named element" is misleading – Bobby Jack Mar 2 '09 at 12:41 @Bobby -- so what do you call it when ...
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Which SQL query is faster? Filter on Join criteria or Where clause?

...=1) Filter: (team_2_score = 24) Rows Removed by Filter: 1 Planning time: 0.182 ms Execution time: 0.101 ms (10 rows) # explain analyze select e.* from event e join result r on e.id = r.event_id where r.team_2_score=24; ...
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How do PHP sessions work? (not “how are they used?”)

...to the user when his session is created. it is stored in a cookie (called, by default, PHPSESSID) that cookie is sent by the browser to the server with each request the server (PHP) uses that cookie, containing the session_id, to know which file corresponds to that user. The data in the sessions f...