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Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
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I'm not AMD or speaking for them, but I would have done it the same way. Because zeroing the high half doesn't create a dependency on the previous value, that the CPU would have to wait on. The register renaming mechanism would essentially be defeated if it wasn't done that wa...
CSS 100% height with padding/margin
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Superb solution, will be bookmarking this one. Just quickly added it to jsfiddle.net/Rpdr9 for anyone who wants a live demo. Hope you don't mind.
– Nooshu
Mar 4 '10 at 14:08
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Converting JSON data to Java object
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I looked at Google's Gson as a potential JSON plugin. Can anyone offer some form of guidance as to how I can generate Java from this JSON string?
Google Gson supports generics and nested beans. The [] in JSON represents an array and should map to a Java collection such as List or just...
Require either of two arguments using argparse
...stion (XOR, basically). My initial concern was that yours only solved only one of the two conditions.
– ijoseph
Apr 13 '18 at 17:28
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Is there a combination of “LIKE” and “IN” in SQL?
...t careful, you can easily change an instantly running query to a very slow one by making trivial changes.
– KM.
Jun 10 '10 at 13:57
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How do I use InputFilter to limit characters in an EditText in Android?
... whole word is deleted and after you type another characters (even allowed ones, like "blah") filter returns "" and no character shows up in the field. This is because the method gets a SpannableStringBuilder in source parameter with "the-blah" in it and start/end parameters spanning the whole input...
Given two directory trees, how can I find out which files differ by content?
...feel bad; I've upvoted Mark's answer too ;)
– Gerard ONeill
Mar 9 '15 at 20:12
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..so does it ma...
Is it worthwile to learn assembly language? [closed]
...ow assembly like a programming language, that is I don't believe that everyone should be able to write a program in assembly, but on the other hand, being able to read it and understand what it actually means (which might require more knowledge of the architecture than the assembler) is enough.
I f...
CSS selector for other than the first child and last child
...d ? I know there is a :not() selector but it doesn't work with more than one not in the parentheses. This is what I have:
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Check for null in foreach loop
... by giving the operation a name (OrEmptyIfNull)
The extension method mentioned above might make certain optimizations impossible for the optimizer to detect. Specifically, those that are related to IList using method overloading this can be eliminated
public static IList<T> OrEmptyIfNull<...