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Can someone explain collection_select to me in clear, simple terms?
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I've spent quite some time on the permutations of the select tags myself.
collection_select builds a select tag from a collection of objects. Keeping this in mind,
object : Name of the object. This is used to generate the name of the tag, and is used to generate the selected value. This c...
Reading file contents on the client-side in javascript in various browsers
...don't know if you still care about this, but I figured that I would update my answer to mention the new File API that does what you're looking for, and is implemented in Firefox, Chrome, and nightly builds of Safari.
– Brian Campbell
Apr 19 '11 at 15:47
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What are commit-ish and tree-ish in Git?
... where that fits into all this. Are there any other things like the stash (my-thing@{0})? Is the stash just a <refname>?
– Nate
Aug 26 '15 at 18:30
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Static link of shared library function in gcc
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@EugeneBujak: The caveat does not apply on my system. Example: gcc -o main main.cc -Wl,-rpath=. -Wl,-Bdynamic -lB -Wl,-Bstatic -lA -Wl,-Bdynamic -L. libB uses libA, it linked and ldd does not show a reference to libA. The executable works fine. Tested with g++ 4.7.3....
What is the difference between getFields and getDeclaredFields in Java reflection
...t comes from Guava.
Update
FYI, the above code is published on GitHub in my LibEx project in ReflectionUtils.
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WPF Data Binding and Validation Rules Best Practices
...e custom ValidationRules, but I am wondering if this would be overkill for my needs.
6 Answers
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Why is exception.printStackTrace() considered bad practice?
...e I always log the stack trace whenever there's an unexpected exception in my code. Over the years this policy has saved me a lot of debugging time.
Finally, on a lighter note, God's Perfect Exception.
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How to reuse an ostringstream?
...o clear out and reuse an ostringstream (and the underlying buffer) so that my app doesn't have to do as many allocations. How do I reset the object to its initial state?
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What are Runtime.getRuntime().totalMemory() and freeMemory()?
...o includes comments and observations from others on the same question, and my own experience.
* <p>
* <img src="https://i.stack.imgur.com/GjuwM.png" alt="Runtime's memory interpretation">
* <p>
* <b>JVM memory management crash course</b>:
* Java virtual machine pro...
Appending an element to the end of a list in Scala
I can't add an element of type T into a list List[T] .
I tried with myList ::= myElement but it seems it creates a strange object and accessing to myList.last always returns the first element that was put inside the list. How can I solve this problem?
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