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Rails raw SQL example

...ximity, etc. And consider putting DB on different server/VM than the Rails app if you haven't, etc. share | improve this answer | follow | ...
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What parameters should I use in a Google Maps URL to go to a lat-lon?

... Is it possible to add more than one marker to an app? And if it works, how does the structure looks like? – michael-mammut May 12 '17 at 14:39 ...
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PostgreSQL create table if not exists

... @Boundless: I saw that your edit was rejected as "too minor". I applied it, because it won't hurt. However, you should execute the CREATE FUNCTION only once. It's SELECT create_mytable(); that you may want to call many times. – Erwin Brandstetter May...
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In .NET, which loop runs faster, 'for' or 'foreach'?

...insignificant? That kind of a performance difference might matter for your application, and it might not, but I wouldn't just dismiss it out of hand. – Robert Harvey Dec 23 '09 at 0:04 ...
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Does anyone beside me just NOT get ASP.NET MVC? [closed]

... Compared to Web Forms, MVC is simultaneously a lower-level approach to HTML generation with greater control over the page output and a higher-level, more architecturally-driven approach. Let me capture Web Forms and MVC and show why I think that the comparison favors Web Forms in man...
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How can I get a JavaScript stack trace when I throw an exception?

... // Code throwing an exception } catch(e) { console.log(e.stack); } It applies for the base exceptions as well as for the ones you throw yourself. (Considered that you use the Error class, which is anyway a good practice). See details on V8 documentation ...
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A migration to add unique constraint to a combination of columns

What I need is a migration to apply unique constraint to a combination of columns. i.e. for a people table, a combination of first_name , last_Name and Dob should be unique. ...
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Best way to implement request throttling in ASP.NET MVC?

...th the REMOTE_ADDR and HTTP_X_FORWARDED_FOR server variables and sanitizes appropriately. – Jarrod Dixon♦ Aug 13 '10 at 6:11 3 ...
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What does “Document-oriented” vs. Key-Value mean when talking about MongoDB vs Cassandra?

...e page's data with a single query and are well suited for content oriented applications (which is why big sites like Facebook or Amazon like them). Other kinds of NoSQL databases include column-oriented stores, graph databases and even object databases. But this goes beyond the question. See also ...
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Is it possible to use Visual Studio on macOS?

...C#, F# and JS/TS. So I don't think that you can use it to develop C or C++ applications on Mac. – JoshVarty Sep 15 at 19:57 add a comment  |  ...