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form_for with nested resources

...mment_item), :method => :delete, :confirm => "Really?" %> What jamuraa says may work in the context of Article, but it did not work for me in various other ways. There is a lot of discussion related to nested resources, e.g. http://weblog.jamisbuck.org/2007/2/5/nesting-resources I...
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Why doesn't C have unsigned floats?

...egative values. Consider this: float a = 2.0f, b = 10.0f, c; c = a - b; What value does c have? -8. But what would that mean in a system without negative numbers. FLOAT_MAX - 8 perhaps? Actually, that doesn't work as FLOAT_MAX - 8 is FLOAT_MAX due to precision effects so things are even more scre...
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“git diff” does nothing

...ex (staging area for the next commit). In other words, the differences are what you could tell git to further add to the index but you still haven't. See the documentation for more details. In particular, scroll down to the examples, and read this section: $ git diff # (1) $ git diff -...
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Output of git branch in tree like fashion

... git lgb Original answer (2010) git show-branch --list comes close of what you are looking for (with the topo order) --topo-order By default, the branches and their commits are shown in reverse chronological order. This option makes them appear in topological order (i.e., descendant com...
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How does one parse XML files? [closed]

Is there a simple method of parsing XML files in C#? If so, what? 12 Answers 12 ...
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Suppressing deprecated warnings in Xcode

... Excellent! This is what I was looking for +1 :) – Zoran Simic Jan 2 '11 at 4:16 1 ...
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Is it bad practice to have a constructor function return a Promise?

...tion without side effects if possible, with all the benefits that has. What if I want to execute things from my constructor? That should go in a method of your class. You want to mutate global state? Then call that procedure explicitly, not as a side effect of generating an object. This call c...
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Singleton by Jon Skeet clarification

...init. You may or may not want the no-op static constructor - it depends on what laziness guarantees you need. You should be aware that .NET 4 changes the actual type initialization semantics somewhat (still within the spec, but lazier than before). Do you really need this pattern though? Are you s...
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Convert Array to Object

What is the best way to convert: 45 Answers 45 ...
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How to benchmark efficiency of PHP script

I want to know what is the best way to benchmark my PHP scripts. Does not matter if a cron job, or webpage or web service. ...