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Floating elements within a div, floats outside of div. Why?

...t, and poorly implemented piece of technology. In fact, this reasoning actually explains a lot of html/css quirks you've no doubt encountered since you made this post. – Slight Apr 23 '15 at 16:01 ...
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了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术

...即使其他程序在访问同一文件也如此! unsigned long remove_all(const path& p):此 API 尝试删除路径 p 所引用的文件或目录。与 remove 不同,此函数并不会特殊考虑不为空的目录。此函数是 UNIX rm –rf 命令的 Boost 对等项。 实用工具...
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CSS: bolding some text without changing its container's size

I have a horizontal navigation menu, which is basically just a <ul> with the elements set side-by-side. I do not define width, but simply use padding, because I would like the widths to be defined by the width of the menu item. I bold the currently-selected item. ...
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What is the memory consumption of an object in Java?

...estion to answer: A JVM is free to store data any way it pleases internally, big or little endian, with any amount of padding or overhead, though primitives must behave as if they had the official sizes. For example, the JVM or native compiler might decide to store a boolean[] in 64-bit long c...
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Design by contract using assertions or exceptions? [closed]

... Personally I prefer asserts for design by contract approaches. Exceptions are defensive and are doing the argument checking inside the function. Also, dbc preconditions don't say "I won't work if you use values out of the working r...
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What does the LayoutInflater attachToRoot parameter mean?

...e you have already added the child fragment in onCreateView() by mistake. Calling add will tell you that child view is already added to parent Hence IllegalStateException. Here you are not responsible for adding childView, FragmentManager is responsible. So always pass false in this case. NOTE: I...
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Running a cron every 30 seconds

...ormatted to ensure it's easy to keep them synchronised. Both cron jobs actually run every minute but the latter one will wait half a minute before executing the "meat" of the job, /path/to/executable. For other (non-cron-based) options, see the other answers here, particularly the ones mentioning fc...
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Detecting that the browser has no mouse and is touch-only

... not a good way to move forward (and it is somewhat inconsistent). Additionally, unless you are tracking a very specific event or only trying to rule out a few classes above, using events themselves isn't full proof. For example, say you've discovered that a user have emitted a real mousemove (not ...
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How to fix height of TR?

...t designed not to wrap when the container becomes too small.</div> </td> </tr> </table> This way, the div's height is that of the containing cell and the text cannot grow the div, keeping the cell/row the same height no matter what the...
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Is there a performance difference between i++ and ++i in C?

... Executive summary: No. i++ could potentially be slower than ++i, since the old value of i might need to be saved for later use, but in practice all modern compilers will optimize this away. We can demonstrate this by looking at the code for this function, both wit...