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Doctrine2: Best way to handle many-to-many with extra columns in reference table

I'm wondering what's the best, the cleanest and the most simply way to work with many-to-many relations in Doctrine2. 14 A...
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How do I restrict a float value to only two places after the decimal point in C?

...e: round down (ie, truncate after two decimal places), rounded to nearest, and round up. Usually, you want round to nearest. As several others have pointed out, due to the quirks of floating point representation, these rounded values may not be exactly the "obvious" decimal values, but they will b...
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What is difference between MVC, MVP & MVVM design pattern in terms of coding c#

...ser which can be the UI Controller: Controls the interaction between Model and View, where view calls the controller to update model. View can call multiple controllers if needed. MVP: Similar to traditional MVC but Controller is replaced by Presenter. But the Presenter, unlike Controller is re...
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How can I do string interpolation in JavaScript?

...g written until the next character, requiring it to be hit twice to write (and writes two of them at this time). This is because some characters interact with them, such as "e". If I try to write "ello" with them, I get èllo``. It is also somewhat annoyingly located (shift+forwardtick, which is ano...
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How do I adjust the anchor point of a CALayer, when Auto Layout is being used?

...at in layoutSubviews the runtime comes dashing through all the constraints and setting the frames of all the views accordingly. In other words, the constraints are not magic; they are just a to-do list. layoutSubviews is where the to-do list gets done. And it does it by setting frames. I can't hel...
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The SQL OVER() clause - when and why is it useful?

I read about that clause and I don't understand why I need it. What does the function Over do? What does Partitioning By do? Why can't I make a query with writing Group By SalesOrderID ? ...
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nodejs require inside TypeScript file

...iler comes together with a set of default definitions for window, document and such specified in a file called lib.d.ts. If I do a grep for require in this file I can find no definition of a function require. Hence, we have to tell the compiler ourselves that this function will exist at runtime usin...
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Why is 'this' a pointer and not a reference?

I was reading the answers to this question C++ pros and cons and got this doubt while reading the comments. 2 Answers ...
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How do PHP sessions work? (not “how are they used?”)

Session files are usually stored in, say, /tmp/ on the server, and named sess_{session_id} . I have been looking at the contents and cannot figure out how they really work. ...
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ie8 var w= window.open() - “Message: Invalid argument.”

...s in Firefox: "Job Directory 9463460", does not work in Internet Exploder, and has to be replaced by: "Job_Directory_9463460" for example (no spaces, no minus signs, no dots, it has to be a valid identifier). share ...