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How to calculate dp from pixels in android programmatically [duplicate]
...ain the current density for a specific display, use densityDpi" . However, now that I've tested both ways, both seem to work fine. Just try to prefer float or double instead of int, because int might lose some precision on some cases. For example, try to convert the height to dp and back to px on QV...
std::unique_ptr with an incomplete type won't compile
...f std::unique_ptr with incomplete types. The problem lies in destruction.
If you use pimpl with unique_ptr, you need to declare a destructor:
class foo
{
class impl;
std::unique_ptr<impl> impl_;
public:
foo(); // You may need a def. constructor to be defined elsewhere
~foo...
Which is best way to define constants in android, either static class, interface or xml resource?
...K_DURATION = 5000;
public static final int BANNER_FETCH_LIMIT = 3;
}
Now we can use above constants in following way.
Constant.NOTICE_BUTTON_BLINK_DURATION
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How do I output coloured text to a Linux terminal?
...eed to output ANSI colour codes. Note that not all terminals support this; if colour sequences are not supported, garbage will show up.
Example:
cout << "\033[1;31mbold red text\033[0m\n";
Here, \033 is the ESC character, ASCII 27. It is followed by [, then zero or more numbers separated by ...
What Vim command(s) can be used to quote/unquote words?
...y quote/unquote words and change quoting (e.g. from ' to " ) in Vim? I know about the surround.vim plugin, but I would like to use just Vim.
...
Getting the class name from a static method in Java
...
If you're going to hard-code in knowledge of MyClass like that, then you might as well just do String name = "MyClass"; !
– John Topley
Jun 1 '09 at 20:45
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Stop jQuery .load response from being cached
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Love it! Now I don't have to use overly verbose .ajax calls and can use the shortcuts!
– Gattster
Jun 1 '11 at 1:05
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获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
...L, DIGCF_PRESENT); //getting all devices with a removable disk guid
if ( INVALID_HANDLE_VALUE == hDevInfo )
{
return devInfos;//exit if there are no devices
}
try
{
std::wstring name;
RemovableDeviceInfo ...
How can I match a string with a regex in Bash?
...= operator:
[[ sed-4.2.2.tar.bz2 == *tar.bz2 ]] && echo matched
If portability is not a concern, I recommend using [[ instead of [ or test as it is safer and more powerful. See What is the difference between test, [ and [[ ? for details.
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Convert Python dictionary to JSON array
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If you are fine with non-printable symbols in your json, then add ensure_ascii=False to dumps call.
>>> json.dumps(your_data, ensure_ascii=False)
If ensure_ascii is false, then the return value will be a
unic...